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Diffstat (limited to 'vendor/gmp-6.3.0/configure.ac')
| -rw-r--r-- | vendor/gmp-6.3.0/configure.ac | 4093 |
1 files changed, 4093 insertions, 0 deletions
diff --git a/vendor/gmp-6.3.0/configure.ac b/vendor/gmp-6.3.0/configure.ac new file mode 100644 index 0000000..082077b --- /dev/null +++ b/vendor/gmp-6.3.0/configure.ac @@ -0,0 +1,4093 @@ +dnl Process this file with autoconf to produce a configure script. + + +define(GMP_COPYRIGHT,[[ + +Copyright 1996-2022 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of either: + + * the GNU Lesser General Public License as published by the Free + Software Foundation; either version 3 of the License, or (at your + option) any later version. + +or + + * the GNU General Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) any + later version. + +or both in parallel, as here. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received copies of the GNU General Public License and the +GNU Lesser General Public License along with the GNU MP Library. If not, +see https://www.gnu.org/licenses/. +]]) + +AC_COPYRIGHT(GMP_COPYRIGHT) +AH_TOP(/*GMP_COPYRIGHT*/) + +AC_REVISION($Revision$) +AC_PREREQ(2.59) +AC_INIT(GNU MP, GMP_VERSION, [gmp-bugs@gmplib.org (see https://gmplib.org/manual/Reporting-Bugs.html)], gmp) +AC_CONFIG_SRCDIR(gmp-impl.h) +m4_pattern_forbid([^[ \t]*GMP_]) +m4_pattern_allow(GMP_LDFLAGS) +m4_pattern_allow(GMP_LIMB_BITS) +m4_pattern_allow(GMP_MPARAM_H_SUGGEST) +m4_pattern_allow(GMP_NAIL_BITS) +m4_pattern_allow(GMP_NUMB_BITS) +m4_pattern_allow(GMP_NONSTD_ABI) +m4_pattern_allow(GMP_CPU_TYPE) +m4_pattern_allow(GMP_AVX_NOT_REALLY_AVAILABLE) + +# If --target is not used then $target_alias is empty, but if say +# "./configure athlon-pc-freebsd3.5" is used, then all three of +# $build_alias, $host_alias and $target_alias are set to +# "athlon-pc-freebsd3.5". +# +if test -n "$target_alias" && test "$target_alias" != "$host_alias"; then + AC_MSG_ERROR([--target is not appropriate for GMP +Use --build=CPU-VENDOR-OS if you need to specify your CPU and/or system +explicitly. Use --host if cross-compiling (see "Installing GMP" in the +manual for more on this).]) +fi + +GMP_INIT(config.m4) + +AC_CANONICAL_HOST + +dnl Automake "no-dependencies" is used because include file dependencies +dnl are not useful to us. Pretty much everything depends just on gmp.h, +dnl gmp-impl.h and longlong.h, and yet only rarely does everything need to +dnl be rebuilt for changes to those files. +dnl +dnl "no-dependencies" also helps with the way we're setup to run +dnl AC_PROG_CXX only conditionally. If dependencies are used then recent +dnl automake (eg 1.7.2) appends an AM_CONDITIONAL to AC_PROG_CXX, and then +dnl gets upset if it's not actually executed. +dnl +dnl Note that there's a copy of these options in the top-level Makefile.am, +dnl so update there too if changing anything. +dnl +AM_INIT_AUTOMAKE([1.8 gnu no-dependencies subdir-objects]) +AC_CONFIG_HEADERS(config.h:config.in) +AM_MAINTAINER_MODE + + +AC_ARG_ENABLE(assert, +AC_HELP_STRING([--enable-assert],[enable ASSERT checking [default=no]]), +[case $enableval in +yes|no) ;; +*) AC_MSG_ERROR([bad value $enableval for --enable-assert, need yes or no]) ;; +esac], +[enable_assert=no]) + +if test "$enable_assert" = "yes"; then + AC_DEFINE(WANT_ASSERT,1, + [Define to 1 to enable ASSERT checking, per --enable-assert]) + want_assert_01=1 +else + want_assert_01=0 +fi +GMP_DEFINE_RAW(["define(<WANT_ASSERT>,$want_assert_01)"]) + + +AC_ARG_ENABLE(alloca, +AC_HELP_STRING([--enable-alloca],[how to get temp memory [default=reentrant]]), +[case $enableval in +alloca|malloc-reentrant|malloc-notreentrant) ;; +yes|no|reentrant|notreentrant) ;; +debug) ;; +*) + AC_MSG_ERROR([bad value $enableval for --enable-alloca, need one of: +yes no reentrant notreentrant alloca malloc-reentrant malloc-notreentrant debug]) ;; +esac], +[enable_alloca=reentrant]) + + +# IMPROVE ME: The default for C++ is disabled. The tests currently +# performed below for a working C++ compiler are not particularly strong, +# and in general can't be expected to get the right setup on their own. The +# most significant problem is getting the ABI the same. Defaulting CXXFLAGS +# to CFLAGS takes only a small step towards this. It's also probably worth +# worrying whether the C and C++ runtimes from say gcc and a vendor C++ can +# work together. Some rather broken C++ installations were encountered +# during testing, and though such things clearly aren't GMP's problem, if +# --enable-cxx=detect were to be the default then some careful checks of +# which, if any, C++ compiler on the system is up to scratch would be +# wanted. +# +AC_ARG_ENABLE(cxx, +AC_HELP_STRING([--enable-cxx],[enable C++ support [default=no]]), +[case $enableval in +yes|no|detect) ;; +*) AC_MSG_ERROR([bad value $enableval for --enable-cxx, need yes/no/detect]) ;; +esac], +[enable_cxx=no]) + + +AC_ARG_ENABLE(assembly, +AC_HELP_STRING([--enable-assembly],[enable the use of assembly loops [default=yes]]), +[case $enableval in +yes|no) ;; +*) AC_MSG_ERROR([bad value $enableval for --enable-assembly, need yes or no]) ;; +esac], +[enable_assembly=yes]) + + +AC_ARG_ENABLE(fft, +AC_HELP_STRING([--enable-fft],[enable FFTs for multiplication [default=yes]]), +[case $enableval in +yes|no) ;; +*) AC_MSG_ERROR([bad value $enableval for --enable-fft, need yes or no]) ;; +esac], +[enable_fft=yes]) + +if test "$enable_fft" = "yes"; then + AC_DEFINE(WANT_FFT,1, + [Define to 1 to enable FFTs for multiplication, per --enable-fft]) +fi + + +AC_ARG_ENABLE(old-fft-full, +AC_HELP_STRING([--enable-old-fft-full],[enable old mpn_mul_fft_full for multiplication [default=no]]), +[case $enableval in +yes|no) ;; +*) AC_MSG_ERROR([bad value $enableval for --enable-old-fft-full, need yes or no]) ;; +esac], +[enable_old_fft_full=no]) + +if test "$enable_old_fft_full" = "yes"; then + AC_DEFINE(WANT_OLD_FFT_FULL,1, + [Define to 1 to enable old mpn_mul_fft_full for multiplication, per --enable-old-fft-full]) +fi + + +AC_ARG_ENABLE(nails, +AC_HELP_STRING([--enable-nails],[use nails on limbs [default=no]]), +[case $enableval in +[yes|no|[02468]|[0-9][02468]]) ;; +[*[13579]]) + AC_MSG_ERROR([bad value $enableval for --enable-nails, only even nail sizes supported]) ;; +*) + AC_MSG_ERROR([bad value $enableval for --enable-nails, need yes/no/number]) ;; +esac], +[enable_nails=no]) + +case $enable_nails in +yes) GMP_NAIL_BITS=2 ;; +no) GMP_NAIL_BITS=0 ;; +*) GMP_NAIL_BITS=$enable_nails ;; +esac +AC_SUBST(GMP_NAIL_BITS) + + +AC_ARG_ENABLE(profiling, +AC_HELP_STRING([--enable-profiling], + [build with profiler support [default=no]]), +[case $enableval in +no|prof|gprof|instrument) ;; +*) AC_MSG_ERROR([bad value $enableval for --enable-profiling, need no/prof/gprof/instrument]) ;; +esac], +[enable_profiling=no]) + +case $enable_profiling in + prof) + AC_DEFINE(WANT_PROFILING_PROF, 1, + [Define to 1 if --enable-profiling=prof]) + ;; + gprof) + AC_DEFINE(WANT_PROFILING_GPROF, 1, + [Define to 1 if --enable-profiling=gprof]) + ;; + instrument) + AC_DEFINE(WANT_PROFILING_INSTRUMENT, 1, + [Define to 1 if --enable-profiling=instrument]) + ;; +esac + +GMP_DEFINE_RAW(["define(<WANT_PROFILING>,<\`$enable_profiling'>)"]) + +# -fomit-frame-pointer is incompatible with -pg on some chips +if test "$enable_profiling" = gprof; then + fomit_frame_pointer= +else + fomit_frame_pointer="-fomit-frame-pointer" +fi + + +AC_ARG_WITH(readline, +AC_HELP_STRING([--with-readline], + [readline support in demo programs [default=detect]]), +[case $withval in +yes|no|detect) ;; +*) AC_MSG_ERROR([bad value $withval for --with-readline, need yes/no/detect]) ;; +esac], +[with_readline=detect]) + + +AC_ARG_ENABLE(fat, +AC_HELP_STRING([--enable-fat], + [build fat libraries on systems that support it [default=no]]), +[case $enableval in +yes|no) ;; +*) AC_MSG_ERROR([bad value $enableval for --enable-fat, need yes or no]) ;; +esac], +[enable_fat=no]) + + +AC_ARG_ENABLE(minithres, +AC_HELP_STRING([--enable-minithres], + [choose minimal thresholds for testing [default=no]]), +[case $enableval in +yes|no) ;; +*) AC_MSG_ERROR([bad value $enableval for --enable-minithres, need yes or no]) ;; +esac], +[enable_minithres=no]) + + +AC_ARG_ENABLE(fake-cpuid, +AC_HELP_STRING([--enable-fake-cpuid],[enable GMP_CPU_TYPE faking cpuid [default=no]]), +[case $enableval in +yes|no) ;; +*) AC_MSG_ERROR([bad value $enableval for --enable-fake-cpuid, need yes or no]) ;; +esac], +[enable_fake_cpuid=no]) + +if test "$enable_fake_cpuid" = "yes"; then + AC_DEFINE(WANT_FAKE_CPUID,1, + [Define to 1 to enable GMP_CPU_TYPE faking cpuid, per --enable-fake-cpuid]) +fi + + +if test $enable_fat = yes && test $enable_assembly = no ; then + AC_MSG_ERROR([when doing a fat build, disabling assembly will not work]) +fi + +if test $enable_fake_cpuid = yes && test $enable_fat = no ; then + AC_MSG_ERROR([--enable-fake-cpuid requires --enable-fat]) +fi + + +tmp_host=`echo $host_cpu | sed 's/\./_/'` +AC_DEFINE_UNQUOTED(HAVE_HOST_CPU_$tmp_host) +GMP_DEFINE_RAW("define_not_for_expansion(\`HAVE_HOST_CPU_$tmp_host')", POST) + +dnl The HAVE_HOST_CPU_ list here only needs to have entries for those which +dnl are going to be tested, not everything that can possibly be selected. +dnl +dnl The HAVE_HOST_CPU_FAMILY_ list similarly, and note that the AC_DEFINEs +dnl for these are under the cpu specific setups below. + +AH_VERBATIM([HAVE_HOST_CPU_1], +[/* Define one of these to 1 for the host CPU family. + If your CPU is not in any of these families, leave all undefined. + For an AMD64 chip, define "x86" in ABI=32, but not in ABI=64. */ +#undef HAVE_HOST_CPU_FAMILY_alpha +#undef HAVE_HOST_CPU_FAMILY_m68k +#undef HAVE_HOST_CPU_FAMILY_power +#undef HAVE_HOST_CPU_FAMILY_powerpc +#undef HAVE_HOST_CPU_FAMILY_x86 +#undef HAVE_HOST_CPU_FAMILY_x86_64 + +/* Define one of the following to 1 for the host CPU, as per the output of + ./config.guess. If your CPU is not listed here, leave all undefined. */ +#undef HAVE_HOST_CPU_alphaev67 +#undef HAVE_HOST_CPU_alphaev68 +#undef HAVE_HOST_CPU_alphaev7 +#undef HAVE_HOST_CPU_m68020 +#undef HAVE_HOST_CPU_m68030 +#undef HAVE_HOST_CPU_m68040 +#undef HAVE_HOST_CPU_m68060 +#undef HAVE_HOST_CPU_m68360 +#undef HAVE_HOST_CPU_powerpc604 +#undef HAVE_HOST_CPU_powerpc604e +#undef HAVE_HOST_CPU_powerpc750 +#undef HAVE_HOST_CPU_powerpc7400 +#undef HAVE_HOST_CPU_supersparc +#undef HAVE_HOST_CPU_i386 +#undef HAVE_HOST_CPU_i586 +#undef HAVE_HOST_CPU_i686 +#undef HAVE_HOST_CPU_pentium +#undef HAVE_HOST_CPU_pentiummmx +#undef HAVE_HOST_CPU_pentiumpro +#undef HAVE_HOST_CPU_pentium2 +#undef HAVE_HOST_CPU_pentium3 +#undef HAVE_HOST_CPU_pentium4 +#undef HAVE_HOST_CPU_core2 +#undef HAVE_HOST_CPU_nehalem +#undef HAVE_HOST_CPU_westmere +#undef HAVE_HOST_CPU_sandybridge +#undef HAVE_HOST_CPU_ivybridge +#undef HAVE_HOST_CPU_haswell +#undef HAVE_HOST_CPU_broadwell +#undef HAVE_HOST_CPU_skylake +#undef HAVE_HOST_CPU_silvermont +#undef HAVE_HOST_CPU_goldmont +#undef HAVE_HOST_CPU_tremont +#undef HAVE_HOST_CPU_k8 +#undef HAVE_HOST_CPU_k10 +#undef HAVE_HOST_CPU_bulldozer +#undef HAVE_HOST_CPU_piledriver +#undef HAVE_HOST_CPU_steamroller +#undef HAVE_HOST_CPU_excavator +#undef HAVE_HOST_CPU_zen +#undef HAVE_HOST_CPU_bobcat +#undef HAVE_HOST_CPU_jaguar +#undef HAVE_HOST_CPU_s390_z900 +#undef HAVE_HOST_CPU_s390_z990 +#undef HAVE_HOST_CPU_s390_z9 +#undef HAVE_HOST_CPU_s390_z10 +#undef HAVE_HOST_CPU_s390_z196 +#undef HAVE_HOST_CPU_s390_z13 +#undef HAVE_HOST_CPU_s390_z14 +#undef HAVE_HOST_CPU_s390_z15 + +/* Define to 1 iff we have a s390 with 64-bit registers. */ +#undef HAVE_HOST_CPU_s390_zarch]) + + +# Table of compilers, options, and mpn paths. This code has various related +# purposes +# +# - better default CC/CFLAGS selections than autoconf otherwise gives +# - default CC/CFLAGS selections for extra CPU types specific to GMP +# - a few tests for known bad compilers +# - choice of ABIs on suitable systems +# - selection of corresponding mpn search path +# +# After GMP specific searches and tests, the standard autoconf AC_PROG_CC is +# called. User selections of CC etc are respected. +# +# Care is taken not to use macros like AC_TRY_COMPILE during the GMP +# pre-testing, since they of course depend on AC_PROG_CC, and also some of +# them cache their results, which is not wanted. +# +# The ABI selection mechanism is unique to GMP. All that reaches autoconf +# is a different selection of CC/CFLAGS according to the best ABI the system +# supports, and/or what the user selects. Naturally the mpn assembler code +# selected is very dependent on the ABI. +# +# The closest the standard tools come to a notion of ABI is something like +# "sparc64" which encodes a CPU and an ABI together. This doesn't seem to +# scale well for GMP, where exact CPU types like "ultrasparc2" are wanted, +# separate from the ABI used on them. +# +# +# The variables set here are +# +# cclist the compiler choices +# xx_cflags flags for compiler xx +# xx_cflags_maybe flags for compiler xx, if they work +# xx_cppflags cpp flags for compiler xx +# xx_cflags_optlist list of sets of optional flags +# xx_cflags_yyy set yyy of optional flags for compiler xx +# xx_ldflags -Wc,-foo flags for libtool linking with compiler xx +# ar_flags extra flags for $AR +# nm_flags extra flags for $NM +# limb limb size, can be "longlong" +# path mpn search path +# extra_functions extra mpn functions +# fat_path fat binary mpn search path [if fat binary desired] +# fat_functions fat functions +# fat_thresholds fat thresholds +# +# Suppose xx_cflags_optlist="arch", then flags from $xx_cflags_arch are +# tried, and the first flag that works will be used. An optlist like "arch +# cpu optimize" can be used to get multiple independent sets of flags tried. +# The first that works from each will be used. If no flag in a set works +# then nothing from that set is added. +# +# For multiple ABIs, the scheme extends as follows. +# +# abilist set of ABI choices +# cclist_aa compiler choices in ABI aa +# xx_aa_cflags flags for xx in ABI aa +# xx_aa_cflags_maybe flags for xx in ABI aa, if they work +# xx_aa_cppflags cpp flags for xx in ABI aa +# xx_aa_cflags_optlist list of sets of optional flags in ABI aa +# xx_aa_cflags_yyy set yyy of optional flags for compiler xx in ABI aa +# xx_aa_ldflags -Wc,-foo flags for libtool linking +# ar_aa_flags extra flags for $AR in ABI aa +# nm_aa_flags extra flags for $NM in ABI aa +# limb_aa limb size in ABI aa, can be "longlong" +# path_aa mpn search path in ABI aa +# extra_functions_aa extra mpn functions in ABI aa +# +# As a convenience, the unadorned xx_cflags (etc) are used for the last ABI +# in ablist, if an xx_aa_cflags for that ABI isn't given. For example if +# abilist="64 32" then $cc_64_cflags will be used for the 64-bit ABI, but +# for the 32-bit either $cc_32_cflags or $cc_cflags is used, whichever is +# defined. This makes it easy to add some 64-bit compilers and flags to an +# unadorned 32-bit set. +# +# limb=longlong (or limb_aa=longlong) applies to all compilers within that +# ABI. It won't work to have some needing long long and some not, since a +# single instantiated gmp.h will be used by both. +# +# SPEED_CYCLECOUNTER, cyclecounter_size and CALLING_CONVENTIONS_OBJS are +# also set here, with an ABI suffix. +# +# +# +# A table-driven approach like this to mapping cpu type to good compiler +# options is a bit of a maintenance burden, but there's not much uniformity +# between options specifications on different compilers. Some sort of +# separately updatable tool might be cute. +# +# The use of lots of variables like this, direct and indirect, tends to +# obscure when and how various things are done, but unfortunately it's +# pretty much the only way. If shell subroutines were portable then actual +# code like "if this .. do that" could be written, but attempting the same +# with full copies of GMP_PROG_CC_WORKS etc expanded at every point would +# hugely bloat the output. + + +AC_ARG_VAR(ABI, [desired ABI (for processors supporting more than one ABI)]) + +# abilist needs to be non-empty, "standard" is just a generic name here +abilist="standard" + +# FIXME: We'd like to prefer an ANSI compiler, perhaps by preferring +# c89 over cc here. But note that on HP-UX c89 provides a castrated +# environment, and would want to be excluded somehow. Maybe +# AC_PROG_CC_STDC already does enough to stick cc into ANSI mode and +# we don't need to worry. +# +cclist="gcc cc" + +gcc_cflags="-O2 -pedantic" +gcc_64_cflags="-O2 -pedantic" +cc_cflags="-O" +cc_64_cflags="-O" + +SPEED_CYCLECOUNTER_OBJ= +cyclecounter_size=2 + +AC_SUBST(HAVE_HOST_CPU_FAMILY_power, 0) +AC_SUBST(HAVE_HOST_CPU_FAMILY_powerpc,0) + +case $host in + + alpha*-*-*) + AC_DEFINE(HAVE_HOST_CPU_FAMILY_alpha) + case $host_cpu in + alphaev5* | alphapca5*) + path="alpha/ev5 alpha" ;; + alphaev67 | alphaev68 | alphaev7*) + path="alpha/ev67 alpha/ev6 alpha" ;; + alphaev6) + path="alpha/ev6 alpha" ;; + *) + path="alpha" ;; + esac + if test "$enable_assembly" = "yes" ; then + extra_functions="cntlz" + fi + gcc_cflags_optlist="asm cpu oldas" # need asm ahead of cpu, see below + gcc_cflags_maybe="-mieee" + gcc_cflags_oldas="-Wa,-oldas" # see GMP_GCC_WA_OLDAS. + + # gcc 2.7.2.3 doesn't know any -mcpu= for alpha, apparently. + # gcc 2.95 knows -mcpu= ev4, ev5, ev56, pca56, ev6. + # gcc 3.0 adds nothing. + # gcc 3.1 adds ev45, ev67 (but ev45 is the same as ev4). + # gcc 3.2 adds nothing. + # + # gcc version "2.9-gnupro-99r1" under "-O2 -mcpu=ev6" strikes internal + # compiler errors too easily and is rejected by GMP_PROG_CC_WORKS. Each + # -mcpu=ev6 below has a fallback to -mcpu=ev56 for this reason. + # + case $host_cpu in + alpha) gcc_cflags_cpu="-mcpu=ev4" ;; + alphaev5) gcc_cflags_cpu="-mcpu=ev5" ;; + alphaev56) gcc_cflags_cpu="-mcpu=ev56" ;; + alphapca56 | alphapca57) + gcc_cflags_cpu="-mcpu=pca56" ;; + alphaev6) gcc_cflags_cpu="-mcpu=ev6 -mcpu=ev56" ;; + alphaev67 | alphaev68 | alphaev7*) + gcc_cflags_cpu="-mcpu=ev67 -mcpu=ev6 -mcpu=ev56" ;; + esac + + # gcc version "2.9-gnupro-99r1" on alphaev68-dec-osf5.1 has been seen + # accepting -mcpu=ev6, but not putting the assembler in the right mode + # for what it produces. We need to do this for it, and need to do it + # before testing the -mcpu options. + # + # On old versions of gcc, which don't know -mcpu=, we believe an + # explicit -Wa,-mev5 etc will be necessary to put the assembler in + # the right mode for our .asm files and longlong.h asm blocks. + # + # On newer versions of gcc, when -mcpu= is known, we must give a -Wa + # which is at least as high as the code gcc will generate. gcc + # establishes what it needs with a ".arch" directive, our command line + # option seems to override that. + # + # gas prior to 2.14 doesn't accept -mev67, but -mev6 seems enough for + # ctlz and cttz (in 2.10.0 at least). + # + # OSF `as' accepts ev68 but stupidly treats it as ev4. -arch only seems + # to affect insns like ldbu which are expanded as macros when necessary. + # Insns like ctlz which were never available as macros are always + # accepted and always generate their plain code. + # + case $host_cpu in + alpha) gcc_cflags_asm="-Wa,-arch,ev4 -Wa,-mev4" ;; + alphaev5) gcc_cflags_asm="-Wa,-arch,ev5 -Wa,-mev5" ;; + alphaev56) gcc_cflags_asm="-Wa,-arch,ev56 -Wa,-mev56" ;; + alphapca56 | alphapca57) + gcc_cflags_asm="-Wa,-arch,pca56 -Wa,-mpca56" ;; + alphaev6) gcc_cflags_asm="-Wa,-arch,ev6 -Wa,-mev6" ;; + alphaev67 | alphaev68 | alphaev7*) + gcc_cflags_asm="-Wa,-arch,ev67 -Wa,-mev67 -Wa,-arch,ev6 -Wa,-mev6" ;; + esac + + # It might be better to ask "cc" whether it's Cray C or DEC C, + # instead of relying on the OS part of $host. But it's hard to + # imagine either of those compilers anywhere except their native + # systems. + # + GMP_INCLUDE_MPN(alpha/alpha-defs.m4) + case $host in + *-cray-unicos*) + cc_cflags="-O" # no -g, it silently disables all optimizations + GMP_INCLUDE_MPN(alpha/unicos.m4) + # Don't perform any assembly syntax tests on this beast. + gmp_asm_syntax_testing=no + ;; + *-*-osf*) + GMP_INCLUDE_MPN(alpha/default.m4) + cc_cflags="" + cc_cflags_optlist="opt cpu" + + # not sure if -fast works on old versions, so make it optional + cc_cflags_opt="-fast -O2" + + # DEC C V5.9-005 knows ev4, ev5, ev56, pca56, ev6. + # Compaq C V6.3-029 adds ev67. + # + case $host_cpu in + alpha) cc_cflags_cpu="-arch~ev4~-tune~ev4" ;; + alphaev5) cc_cflags_cpu="-arch~ev5~-tune~ev5" ;; + alphaev56) cc_cflags_cpu="-arch~ev56~-tune~ev56" ;; + alphapca56 | alphapca57) + cc_cflags_cpu="-arch~pca56~-tune~pca56" ;; + alphaev6) cc_cflags_cpu="-arch~ev6~-tune~ev6" ;; + alphaev67 | alphaev68 | alphaev7*) + cc_cflags_cpu="-arch~ev67~-tune~ev67 -arch~ev6~-tune~ev6" ;; + esac + ;; + *) + GMP_INCLUDE_MPN(alpha/default.m4) + ;; + esac + + case $host in + *-*-unicos*) + # tune/alpha.asm assumes int==4bytes but unicos uses int==8bytes + ;; + *) + SPEED_CYCLECOUNTER_OBJ=alpha.lo + cyclecounter_size=1 ;; + esac + ;; + + + # Cray vector machines. + # This must come after alpha* so that we can recognize present and future + # vector processors with a wildcard. + *-cray-unicos*) + gmp_asm_syntax_testing=no + cclist="cc" + # We used to have -hscalar0 here as a workaround for miscompilation of + # mpz/import.c, but let's hope Cray fixes their bugs instead, since + # -hscalar0 causes disastrously poor code to be generated. + cc_cflags="-O3 -hnofastmd -htask0 -Wa,-B" + path="cray" + ;; + + + arm*-*-* | aarch64*-*-* | [applem[1-9]-*-*]) + abilist="32" + gcc_cflags="$gcc_cflags $fomit_frame_pointer" + gcc_cflags_optlist="arch fpmode neon tune" + gcc_64_cflags_optlist="arch tune" + gcc_testlist="gcc-arm-umodsi" + gcc_64_testlist="" + CALLING_CONVENTIONS_OBJS='arm32call.lo arm32check.lo' + CALLING_CONVENTIONS_OBJS_64="" + cclist_64="gcc cc" + any_32_testlist="sizeof-void*-4" + any_64_testlist="sizeof-void*-8" + + # This is needed for clang, which is not content with flags like -mfpu=neon + # alone. + case $host in + *-*-*eabi) + gcc_cflags_fpmode="-mfloat-abi=softfp" ;; + *-*-*eabihf) + gcc_cflags_fpmode="-mfloat-abi=hard" ;; + *-*-mingw*) + limb_64=longlong ;; + esac + + # FIXME: We make mandatory compiler options optional here. We should + # either enforce them, or organise to strip paths as the corresponding + # options fail. + case $host_cpu in + armxscale | arm7ej | arm9te | arm9e* | arm10* | armv5*) + path="arm/v5 arm" + gcc_cflags_arch="-march=armv5" + ;; + armsa1 | arm7t* | arm9t* | armv4t*) + path="arm" + gcc_cflags_arch="-march=armv4" + ;; + arm1156 | armv6t2*) + path="arm/v6t2 arm/v6 arm/v5 arm" + gcc_cflags_arch="-march=armv6t2" + ;; + arm11* | armv6*) + path="arm/v6 arm/v5 arm" + gcc_cflags_arch="-march=armv6" + ;; + armcortexa5 | armv7*) + path="arm/v7a/cora5 arm/v6t2 arm/v6 arm/v5 arm" + gcc_cflags_arch="-march=armv7-a" + gcc_cflags_tune="-mtune=cortex-a5" + ;; + armcortexa5neon) + path="arm/neon arm/v7a/cora5 arm/v6t2 arm/v6 arm/v5 arm" + gcc_cflags_neon="-mfpu=neon" + gcc_cflags_arch="-march=armv7-a" + gcc_cflags_tune="-mtune=cortex-a5" + ;; + armcortexa7) + path="arm/v7a/cora7 arm/v6t2 arm/v6 arm/v5 arm" + gcc_cflags_arch="-march=armv7ve -march=armv7-a" + gcc_cflags_tune="-mtune=cortex-a7" + ;; + armcortexa7neon) + path="arm/neon arm/v7a/cora7 arm/v6t2 arm/v6 arm/v5 arm" + gcc_cflags_arch="-march=armv7ve -march=armv7-a" + gcc_cflags_neon="-mfpu=neon" + gcc_cflags_tune="-mtune=cortex-a7" + ;; + armcortexa8) + path="arm/v7a/cora8 arm/v6t2 arm/v6 arm/v5 arm" + gcc_cflags_arch="-march=armv7-a" + gcc_cflags_tune="-mtune=cortex-a8" + ;; + armcortexa8neon) + path="arm/neon arm/v7a/cora8 arm/v6t2 arm/v6 arm/v5 arm" + gcc_cflags_arch="-march=armv7-a" + gcc_cflags_neon="-mfpu=neon" + gcc_cflags_tune="-mtune=cortex-a8" + ;; + armcortexa9) + path="arm/v7a/cora9 arm/v6t2 arm/v6 arm/v5 arm" + gcc_cflags_arch="-march=armv7-a" + gcc_cflags_tune="-mtune=cortex-a9" + ;; + armcortexa9neon) + path="arm/neon arm/v7a/cora9 arm/v6t2 arm/v6 arm/v5 arm" + gcc_cflags_arch="-march=armv7-a" + gcc_cflags_neon="-mfpu=neon" + gcc_cflags_tune="-mtune=cortex-a9" + ;; + armcortexa15) + path="arm/v7a/cora15 arm/v6t2 arm/v6 arm/v5 arm" + gcc_cflags_arch="-march=armv7ve -march=armv7-a" + gcc_cflags_tune="-mtune=cortex-a15 -mtune=cortex-a9" + ;; + armcortexa15neon) + path="arm/v7a/cora15/neon arm/neon arm/v7a/cora15 arm/v6t2 arm/v6 arm/v5 arm" + gcc_cflags_arch="-march=armv7ve -march=armv7-a" + gcc_cflags_neon="-mfpu=neon" + gcc_cflags_tune="-mtune=cortex-a15 -mtune=cortex-a9" + ;; + armcortexa12 | armcortexa17) + path="arm/v7a/cora17 arm/v7a/cora15 arm/v6t2 arm/v6 arm/v5 arm" + gcc_cflags_arch="-march=armv7ve -march=armv7-a" + gcc_cflags_tune="-mtune=cortex-a15 -mtune=cortex-a9" + ;; + armcortexa12neon | armcortexa17neon) + path="arm/v7a/cora17/neon arm/v7a/cora15/neon arm/neon arm/v7a/cora17 arm/v7a/cora15 arm/v6t2 arm/v6 arm/v5 arm" + gcc_cflags_arch="-march=armv7ve -march=armv7-a" + gcc_cflags_neon="-mfpu=neon" + gcc_cflags_tune="-mtune=cortex-a15 -mtune=cortex-a9" + ;; + armcortexa53 | armcortexa53neon | armcortexa55 | armcortexa55neon) + abilist="64 32" + path="arm/neon arm/v7a/cora9 arm/v6t2 arm/v6 arm/v5 arm" + path_64="arm64/cora53 arm64" + gcc_cflags_arch="-march=armv8-a" + gcc_cflags_neon="-mfpu=neon" + gcc_cflags_tune="-mtune=cortex-a53" + ;; + armcortexa57 | armcortexa57neon) + abilist="64 32" + path="arm/v7a/cora15/neon arm/neon arm/v7a/cora15 arm/v6t2 arm/v6 arm/v5 arm" + path_64="arm64/cora57 arm64" + gcc_cflags_arch="-march=armv8-a" + gcc_cflags_neon="-mfpu=neon" + gcc_cflags_tune="-mtune=cortex-a57" + ;; + [armcortexa7[2-9] | armcortexa7[2-9]neon]) + abilist="64 32" + path="arm/v7a/cora15/neon arm/neon arm/v7a/cora15 arm/v6t2 arm/v6 arm/v5 arm" + path_64="arm64/cora57 arm64" + gcc_cflags_arch="-march=armv8-a" + gcc_cflags_neon="-mfpu=neon" + gcc_cflags_tune="-mtune=cortex-a72 -mtune=cortex-a57" + ;; + armexynosm1) + abilist="64 32" + path="arm/v7a/cora15/neon arm/neon arm/v7a/cora15 arm/v6t2 arm/v6 arm/v5 arm" + path_64="arm64" + gcc_cflags_arch="-march=armv8-a" + gcc_cflags_neon="-mfpu=neon" + gcc_cflags_tune="-mtune=exynosm1" + ;; + armthunderx) + abilist="64 32" + path="arm/v7a/cora15/neon arm/neon arm/v7a/cora15 arm/v6t2 arm/v6 arm/v5 arm" + path_64="arm64" + gcc_cflags_arch="-march=armv8-a" + gcc_cflags_neon="-mfpu=neon" + gcc_cflags_tune="-mtune=thunderx" + ;; + armxgene1) + abilist="64 32" + path="arm/v7a/cora15/neon arm/neon arm/v7a/cora15 arm/v6t2 arm/v6 arm/v5 arm" + path_64="arm64/xgene1 arm64" + gcc_cflags_arch="-march=armv8-a" + gcc_cflags_neon="-mfpu=neon" + gcc_cflags_tune="-mtune=xgene1" + ;; + aarch64*) + abilist="64 32" + path="arm/v7a/cora15/neon arm/neon arm/v7a/cora15 arm/v6t2 arm/v6 arm/v5 arm" + path_64="arm64" + gcc_cflags_arch="-march=armv8-a" + gcc_cflags_neon="-mfpu=neon" + gcc_cflags_tune="" + ;; + [applem[1-9]*]) + abilist="64" + path_64="arm64/applem1 arm64" + gcc_cflags_arch="-march=armv8-a" + gcc_cflags_neon="-mfpu=neon" + gcc_cflags_tune="" + CALLING_CONVENTIONS_OBJS="" + ;; + *) + path="arm" + gcc_cflags_arch="-march=armv4" + GMP_DEFINE_RAW(["define(<NOTHUMB>,1)"]) + ;; + esac + ;; + + + # Fujitsu + [f30[01]-fujitsu-sysv*]) + cclist="gcc vcc" + # FIXME: flags for vcc? + vcc_cflags="-g" + path="fujitsu" + ;; + + + hppa*-*-*) + # HP cc (the one sold separately) is K&R by default, but AM_C_PROTOTYPES + # will add "-Ae", or "-Aa -D_HPUX_SOURCE", to put it into ansi mode, if + # possible. + # + # gcc for hppa 2.0 can be built either for 2.0n (32-bit) or 2.0w + # (64-bit), but not both, so there's no option to choose the desired + # mode, we must instead detect which of the two it is. This is done by + # checking sizeof(long), either 4 or 8 bytes respectively. Do this in + # ABI=1.0 too, in case someone tries to build that with a 2.0w gcc. + # + gcc_cflags_optlist="arch" + gcc_testlist="sizeof-long-4" + SPEED_CYCLECOUNTER_OBJ=hppa.lo + cyclecounter_size=1 + + # FIXME: For hppa2.0*, path should be "pa32/hppa2_0 pa32/hppa1_1 pa32". + # (Can't remember why this isn't done already, have to check what .asm + # files are available in each and how they run on a typical 2.0 cpu.) + # + case $host_cpu in + hppa1.0*) path="pa32" ;; + hppa7000*) path="pa32/hppa1_1 pa32" ;; + hppa2.0* | hppa64) + path="pa32/hppa2_0 pa32/hppa1_1/pa7100 pa32/hppa1_1 pa32" ;; + *) # default to 7100 + path="pa32/hppa1_1/pa7100 pa32/hppa1_1 pa32" ;; + esac + + # gcc 2.7.2.3 knows -mpa-risc-1-0 and -mpa-risc-1-1 + # gcc 2.95 adds -mpa-risc-2-0, plus synonyms -march=1.0, 1.1 and 2.0 + # + # We don't use -mpa-risc-2-0 in ABI=1.0 because 64-bit registers may not + # be saved by the kernel on an old system. Actually gcc (as of 3.2) + # only adds a few float instructions with -mpa-risc-2-0, so it would + # probably be safe, but let's not take the chance. In any case, a + # configuration like --host=hppa2.0 ABI=1.0 is far from optimal. + # + case $host_cpu in + hppa1.0*) gcc_cflags_arch="-mpa-risc-1-0" ;; + *) # default to 7100 + gcc_cflags_arch="-mpa-risc-1-1" ;; + esac + + case $host_cpu in + hppa1.0*) cc_cflags="+O2" ;; + *) # default to 7100 + cc_cflags="+DA1.1 +O2" ;; + esac + + case $host in + hppa2.0*-*-* | hppa64-*-*) + cclist_20n="gcc cc" + abilist="2.0n 1.0" + path_20n="pa64" + limb_20n=longlong + any_20n_testlist="sizeof-long-4" + SPEED_CYCLECOUNTER_OBJ_20n=hppa2.lo + cyclecounter_size_20n=2 + + # -mpa-risc-2-0 is only an optional flag, in case an old gcc is + # used. Assembler support for 2.0 is essential though, for our asm + # files. + gcc_20n_cflags="$gcc_cflags" + gcc_20n_cflags_optlist="arch" + gcc_20n_cflags_arch="-mpa-risc-2-0 -mpa-risc-1-1" + gcc_20n_testlist="sizeof-long-4 hppa-level-2.0" + + cc_20n_cflags="+DA2.0 +e +O2 -Wl,+vnocompatwarnings" + cc_20n_testlist="hpc-hppa-2-0" + + # ABI=2.0w is available for hppa2.0w and hppa2.0, but not for + # hppa2.0n, on the assumption that that the latter indicates a + # desire for ABI=2.0n. + case $host in + hppa2.0n-*-*) ;; + *) + # HPUX 10 and earlier cannot run 2.0w. Not sure about other + # systems (GNU/Linux for instance), but lets assume they're ok. + case $host in + [*-*-hpux[1-9] | *-*-hpux[1-9].* | *-*-hpux10 | *-*-hpux10.*]) ;; + *) abilist="2.0w $abilist" ;; + esac + + cclist_20w="gcc cc" + gcc_20w_cflags="$gcc_cflags -mpa-risc-2-0" + cc_20w_cflags="+DD64 +O2" + cc_20w_testlist="hpc-hppa-2-0" + path_20w="pa64" + any_20w_testlist="sizeof-long-8" + SPEED_CYCLECOUNTER_OBJ_20w=hppa2w.lo + cyclecounter_size_20w=2 + ;; + esac + ;; + esac + ;; + + + IA64_PATTERN) + abilist="64" + GMP_INCLUDE_MPN(ia64/ia64-defs.m4) + SPEED_CYCLECOUNTER_OBJ=ia64.lo + any_32_testlist="sizeof-long-4" + + case $host_cpu in + itanium) path="ia64/itanium ia64" ;; + itanium2) path="ia64/itanium2 ia64" ;; + *) path="ia64" ;; + esac + + gcc_64_cflags_optlist="tune" + gcc_32_cflags_optlist=$gcc_64_cflags_optlist + + # gcc pre-release 3.4 adds -mtune itanium and itanium2 + case $host_cpu in + itanium) gcc_cflags_tune="-mtune=itanium" ;; + itanium2) gcc_cflags_tune="-mtune=itanium2" ;; + esac + + case $host in + *-*-linux*) + cclist="gcc icc" + icc_cflags="-no-gcc" + icc_cflags_optlist="opt" + # Don't use -O3, it is for "large data sets" and also miscompiles GMP. + # But icc miscompiles GMP at any optimization level, at higher levels + # it miscompiles more files... + icc_cflags_opt="-O2 -O1" + icc_cflags_opt_maybe="-fp-model~precise" + ;; + + *-*-hpux*) + # HP cc sometimes gets internal errors if the optimization level is + # too high. GMP_PROG_CC_WORKS detects this, the "_opt" fallbacks + # let us use whatever seems to work. + # + abilist="32 64" + any_64_testlist="sizeof-long-8" + + cclist_32="gcc cc" + path_32="ia64" + cc_32_cflags="" + cc_32_cflags_optlist="opt" + cc_32_cflags_opt="+O2 +O1" + gcc_32_cflags="$gcc_cflags -milp32" + limb_32=longlong + SPEED_CYCLECOUNTER_OBJ_32=ia64.lo + cyclecounter_size_32=2 + + # Must have +DD64 in CPPFLAGS to get the right __LP64__ for headers, + # but also need it in CFLAGS for linking programs, since automake + # only uses CFLAGS when linking, not CPPFLAGS. + # FIXME: Maybe should use cc_64_ldflags for this, but that would + # need GMP_LDFLAGS used consistently by all the programs. + # + cc_64_cflags="+DD64" + cc_64_cppflags="+DD64" + cc_64_cflags_optlist="opt" + cc_64_cflags_opt="+O2 +O1" + gcc_64_cflags="$gcc_cflags -mlp64" + ;; + esac + ;; + + + # Motorola 68k + # + M68K_PATTERN) + AC_DEFINE(HAVE_HOST_CPU_FAMILY_m68k) + GMP_INCLUDE_MPN(m68k/m68k-defs.m4) + gcc_cflags="$gcc_cflags $fomit_frame_pointer" + gcc_cflags_optlist="arch" + + # gcc 2.7.2 knows -m68000, -m68020, -m68030, -m68040. + # gcc 2.95 adds -mcpu32, -m68060. + # FIXME: Maybe "-m68020 -mnobitfield" would suit cpu32 on 2.7.2. + # + case $host_cpu in + m68020) gcc_cflags_arch="-m68020" ;; + m68030) gcc_cflags_arch="-m68030" ;; + m68040) gcc_cflags_arch="-m68040" ;; + m68060) gcc_cflags_arch="-m68060 -m68000" ;; + m68360) gcc_cflags_arch="-mcpu32 -m68000" ;; + *) gcc_cflags_arch="-m68000" ;; + esac + + # FIXME: m68k/mc68020 looks like it's ok for cpu32, but this wants to be + # tested. Will need to introduce an m68k/cpu32 if m68k/mc68020 ever uses + # the bitfield instructions. + case $host_cpu in + [m680[234]0 | m68360]) path="m68k/mc68020 m68k" ;; + *) path="m68k" ;; + esac + ;; + + + # Motorola 88k + m88k*-*-*) + path="m88k" + ;; + m88110*-*-*) + gcc_cflags="$gcc_cflags -m88110" + path="m88k/mc88110 m88k" + ;; + + + loongarch64-*-*) + path="loongarch/64" + ;; + + + # IRIX 5 and earlier can only run 32-bit o32. + # + # IRIX 6 and up always has a 64-bit mips CPU can run n32 or 64. n32 is + # preferred over 64, but only because that's been the default in past + # versions of GMP. The two are equally efficient. + # + # Linux kernel 2.2.13 arch/mips/kernel/irixelf.c has a comment about not + # supporting n32 or 64. + # + # For reference, libtool (eg. 1.5.6) recognises the n32 ABI and knows the + # right options to use when linking (both cc and gcc), so no need for + # anything special from us. + # + mips*-*-*) + abilist="o32" + gcc_cflags_optlist="abi" + gcc_cflags_abi="-mabi=32 -m32" + gcc_testlist="gcc-mips-o32" + path="mips32" + cc_cflags="-O2 -o32" # no -g, it disables all optimizations + # this suits both mips32 and mips64 + GMP_INCLUDE_MPN(mips32/mips-defs.m4) + + case $host in + [mips64*-*-* | mipsisa64*-*-* | mips*-*-irix[6789]*]) + abilist="n32 64 o32" + + cclist_n32="gcc cc" + gcc_n32_cflags_optlist="abi" + gcc_n32_cflags="$gcc_cflags" + gcc_n32_cflags_abi="-mabi=n32 -mn32" + cc_n32_cflags="-O2 -n32" # no -g, it disables all optimizations + limb_n32=longlong + + cclist_64="gcc cc" + gcc_64_cflags_optlist="abi" + gcc_64_cflags="$gcc_cflags" + gcc_64_cflags_abi="-mabi=64 -m64" + gcc_64_ldflags="-Wc,-mabi=64" + cc_64_cflags="-O2 -64" # no -g, it disables all optimizations + cc_64_ldflags="-Wc,-64" + + case $host_cpu in + [mips64r[6789]* | mipsisa64r[6789]*]) + path_n32="mips64/r6 mips64" + path_64="mips64/r6 mips64" + ;; + *) + path_n32="mips64/hilo mips64" + path_64="mips64/hilo mips64" + ;; + esac + + ;; + esac + ;; + + + # Darwin (powerpc-apple-darwin1.3) has it's hacked gcc installed as cc. + # Our usual "gcc in disguise" detection means gcc_cflags etc here gets + # used. + # + # The darwin pre-compiling preprocessor is disabled with -no-cpp-precomp + # since it doesn't like "__attribute__ ((mode (SI)))" etc in gmp-impl.h, + # and so always ends up running the plain preprocessor anyway. This could + # be done in CPPFLAGS rather than CFLAGS, but there's not many places + # preprocessing is done separately, and this is only a speedup, the normal + # preprocessor gets run if there's any problems. + # + # We used to use -Wa,-mppc with gcc, but can't remember exactly why. + # Presumably it was for old versions of gcc where -mpowerpc doesn't put + # the assembler in the right mode. In any case -Wa,-mppc is not good, for + # instance -mcpu=604 makes recent gcc use -m604 to get access to the + # "fsel" instruction, but a -Wa,-mppc overrides that, making code that + # comes out with fsel fail. + # + # (Note also that the darwin assembler doesn't accept "-mppc", so any + # -Wa,-mppc was used only if it worked. The right flag on darwin would be + # "-arch ppc" or some such, but that's already the default.) + # + [powerpc*-*-* | power[3-9]-*-* | power1[0-9]-*-*]) + AC_DEFINE(HAVE_HOST_CPU_FAMILY_powerpc) + HAVE_HOST_CPU_FAMILY_powerpc=1 + abilist="32" + cclist="gcc cc" + cc_cflags="-O2" + gcc_32_cflags_maybe="-m32" + gcc_cflags_optlist="precomp subtype asm cpu" + gcc_cflags_precomp="-no-cpp-precomp" + gcc_cflags_subtype="-force_cpusubtype_ALL" # for vmx on darwin + gcc_cflags_asm="" + gcc_cflags_cpu="" + vmx_path="" + + # grab this object, though it's not a true cycle counter routine + SPEED_CYCLECOUNTER_OBJ=powerpc.lo + cyclecounter_size=0 + + case $host_cpu in + powerpc740 | powerpc750) + path="powerpc32/750 powerpc32" ;; + powerpc7400 | powerpc7410) + path="powerpc32/vmx powerpc32/750 powerpc32" ;; + [powerpc74[45]?]) + path="powerpc32/vmx powerpc32" ;; + *) + path="powerpc32" ;; + esac + + case $host_cpu in + powerpc401) gcc_cflags_cpu="-mcpu=401" ;; + powerpc403) gcc_cflags_cpu="-mcpu=403" + xlc_cflags_arch="-qarch=403 -qarch=ppc" ;; + powerpc405) gcc_cflags_cpu="-mcpu=405" ;; + powerpc505) gcc_cflags_cpu="-mcpu=505" ;; + powerpc601) gcc_cflags_cpu="-mcpu=601" + xlc_cflags_arch="-qarch=601 -qarch=ppc" ;; + powerpc602) gcc_cflags_cpu="-mcpu=602" + xlc_cflags_arch="-qarch=602 -qarch=ppc" ;; + powerpc603) gcc_cflags_cpu="-mcpu=603" + xlc_cflags_arch="-qarch=603 -qarch=ppc" ;; + powerpc603e) gcc_cflags_cpu="-mcpu=603e -mcpu=603" + xlc_cflags_arch="-qarch=603 -qarch=ppc" ;; + powerpc604) gcc_cflags_cpu="-mcpu=604" + xlc_cflags_arch="-qarch=604 -qarch=ppc" ;; + powerpc604e) gcc_cflags_cpu="-mcpu=604e -mcpu=604" + xlc_cflags_arch="-qarch=604 -qarch=ppc" ;; + powerpc620) gcc_cflags_cpu="-mcpu=620" ;; + powerpc630) gcc_cflags_cpu="-mcpu=630" + xlc_cflags_arch="-qarch=pwr3" + cpu_path="p3 p3-p7" ;; + powerpc740) gcc_cflags_cpu="-mcpu=740" ;; + powerpc7400 | powerpc7410) + gcc_cflags_asm="-Wa,-maltivec" + gcc_cflags_cpu="-mcpu=7400 -mcpu=750" ;; + [powerpc74[45]?]) + gcc_cflags_asm="-Wa,-maltivec" + gcc_cflags_cpu="-mcpu=7450" ;; + powerpc750) gcc_cflags_cpu="-mcpu=750" ;; + powerpc801) gcc_cflags_cpu="-mcpu=801" ;; + powerpc821) gcc_cflags_cpu="-mcpu=821" ;; + powerpc823) gcc_cflags_cpu="-mcpu=823" ;; + powerpc860) gcc_cflags_cpu="-mcpu=860" ;; + powerpc970) gcc_cflags_cpu="-mtune=970" + xlc_cflags_arch="-qarch=970 -qarch=pwr3" + vmx_path="powerpc64/vmx" + cpu_path="p4 p3-p7" ;; + power4) gcc_cflags_cpu="-mcpu=power4" + xlc_cflags_arch="-qarch=pwr4" + cpu_path="p4 p3-p7" ;; + power5) gcc_cflags_cpu="-mcpu=power5 -mcpu=power4" + xlc_cflags_arch="-qarch=pwr5" + cpu_path="p5 p4 p3-p7" ;; + power6) gcc_cflags_cpu="-mcpu=power6" + xlc_cflags_arch="-qarch=pwr6" + cpu_path="p6 p3-p7" ;; + power7) gcc_cflags_cpu="-mcpu=power7 -mcpu=power5" + xlc_cflags_arch="-qarch=pwr7 -qarch=pwr5" + cpu_path="p7 p5 p4 p3-p7" ;; + power8) gcc_cflags_cpu="-mcpu=power8 -mcpu=power7 -mcpu=power5" + xlc_cflags_arch="-qarch=pwr8 -qarch=pwr7 -qarch=pwr5" + cpu_path="p8 p7 p5 p4 p3-p7" ;; + power9) gcc_cflags_cpu="-mcpu=power9 -mcpu=power8 -mcpu=power7 -mcpu=power5" + xlc_cflags_arch="-qarch=pwr9 -qarch=pwr8 -qarch=pwr7 -qarch=pwr5" + cpu_path="p9 p8 p7 p5 p4 p3-p7" ;; + power10) gcc_cflags_cpu="-mcpu=power10 -mcpu=power9 -mcpu=power8 -mcpu=power7 -mcpu=power5" + xlc_cflags_arch="-qarch=pwr10 -qarch=pwr9 -qarch=pwr8 -qarch=pwr7 -qarch=pwr5" + cpu_path="p9 p8 p7 p5 p4 p3-p7" ;; + esac + + case $host in + *-*-aix*) + cclist="gcc xlc cc" + gcc_32_cflags_maybe="-maix32" + xlc_cflags="-O2 -qmaxmem=20000" + xlc_cflags_optlist="arch" + xlc_32_cflags_maybe="-q32" + ar_32_flags="-X32" + nm_32_flags="-X32" + esac + + case $host in + POWERPC64_PATTERN) + case $host in + *-*-aix*) + # On AIX a true 64-bit ABI is available. + # Need -Wc to pass object type flags through to the linker. + abilist="mode64 $abilist" + cclist_mode64="gcc xlc" + gcc_mode64_cflags="$gcc_cflags -maix64 -mpowerpc64" + gcc_mode64_cflags_optlist="cpu" + gcc_mode64_ldflags="-Wc,-maix64" + xlc_mode64_cflags="-O2 -q64 -qmaxmem=20000" + xlc_mode64_cflags_optlist="arch" + xlc_mode64_ldflags="-Wc,-q64" + # Must indicate object type to ar and nm + ar_mode64_flags="-X64" + nm_mode64_flags="-X64" + path_mode64="" + p="" + for i in $cpu_path + do path_mode64="${path_mode64}powerpc64/mode64/$i " + path_mode64="${path_mode64}powerpc64/$i " + p="${p} powerpc32/$i " + done + path_mode64="${path_mode64}powerpc64/mode64 $vmx_path powerpc64" + path="$p $path" + # grab this object, though it's not a true cycle counter routine + SPEED_CYCLECOUNTER_OBJ_mode64=powerpc64.lo + cyclecounter_size_mode64=0 + ;; + *-*-darwin*) + # On Darwin we can use 64-bit instructions with a longlong limb, + # but the chip still in 32-bit mode. + # In theory this can be used on any OS which knows how to save + # 64-bit registers in a context switch. + # + # Note that we must use -mpowerpc64 with gcc, since the + # longlong.h macros expect limb operands in a single 64-bit + # register, not two 32-bit registers as would be given for a + # long long without -mpowerpc64. In theory we could detect and + # accommodate both styles, but the proper 64-bit registers will + # be fastest and are what we really want to use. + # + # One would think -mpowerpc64 would set the assembler in the right + # mode to handle 64-bit instructions. But for that, also + # -force_cpusubtype_ALL is needed. + # + # Do not use -fast for Darwin, it actually adds options + # incompatible with a shared library. + # + abilist="mode64 mode32 $abilist" + gcc_cflags_opt="-O2 -O1" # will this become used? + cclist_mode32="gcc" + gcc_mode32_cflags_maybe="-m32" + gcc_mode32_cflags="-mpowerpc64" + gcc_mode32_cflags_optlist="subtype cpu opt" + gcc_mode32_cflags_subtype="-force_cpusubtype_ALL" + gcc_mode32_cflags_opt="-O2 -O1" + limb_mode32=longlong + cclist_mode64="gcc" + gcc_mode64_cflags="-m64" + gcc_mode64_cflags_optlist="cpu opt" + gcc_mode64_cflags_opt="-O2 -O1" + path_mode64="" + path_mode32="" + p="" + for i in $cpu_path + do path_mode64="${path_mode64}powerpc64/mode64/$i " + path_mode64="${path_mode64}powerpc64/$i " + path_mode32="${path_mode32}powerpc64/mode32/$i " + path_mode32="${path_mode32}powerpc64/$i " + p="${p} powerpc32/$i " + done + path_mode64="${path_mode64}powerpc64/mode64 $vmx_path powerpc64" + path_mode32="${path_mode32}powerpc64/mode32 $vmx_path powerpc64" + path="$p $path" + SPEED_CYCLECOUNTER_OBJ_mode64=powerpc64.lo + cyclecounter_size_mode64=0 + any_mode64_testlist="sizeof-long-8" + ;; + *-*-linux* | *-*-*bsd*) + # On GNU/Linux, assume the processor is in 64-bit mode. Some + # environments have a gcc that is always in 64-bit mode, while + # others require -m64, hence the use of cflags_maybe. The + # sizeof-long-8 test checks the mode is right (for the no option + # case). + # + # -mpowerpc64 is not used, since it should be the default in + # 64-bit mode. (We need its effect for the various longlong.h + # asm macros to be right of course.) + # + # gcc64 was an early port of gcc to 64-bit mode, but should be + # obsolete before too long. We prefer plain gcc when it knows + # 64-bits. + # + abilist="mode64 mode32 $abilist" + cclist_mode32="gcc" + gcc_mode32_cflags_maybe="-m32" + gcc_mode32_cflags="-mpowerpc64" + gcc_mode32_cflags_optlist="cpu opt" + gcc_mode32_cflags_opt="-O2 -O1" + limb_mode32=longlong + cclist_mode64="gcc gcc64" + gcc_mode64_cflags_maybe="-m64" + gcc_mode64_cflags_optlist="cpu opt" + gcc_mode64_cflags_opt="-O2 -O1" + path_mode64="" + path_mode32="" + p="" + for i in $cpu_path + do path_mode64="${path_mode64}powerpc64/mode64/$i " + path_mode64="${path_mode64}powerpc64/$i " + path_mode32="${path_mode32}powerpc64/mode32/$i " + path_mode32="${path_mode32}powerpc64/$i " + p="${p} powerpc32/$i " + done + path_mode64="${path_mode64}powerpc64/mode64 $vmx_path powerpc64" + path_mode32="${path_mode32}powerpc64/mode32 $vmx_path powerpc64" + path="$p $path" + SPEED_CYCLECOUNTER_OBJ_mode64=powerpc64.lo + cyclecounter_size_mode64=0 + any_mode64_testlist="sizeof-long-8" + ;; + esac + ;; + esac + ;; + + + # POWER 32-bit + [power-*-* | power[12]-*-* | power2sc-*-*]) + AC_DEFINE(HAVE_HOST_CPU_FAMILY_power) + HAVE_HOST_CPU_FAMILY_power=1 + cclist="gcc" + if test "$enable_assembly" = "yes" ; then + extra_functions="udiv_w_sdiv" + fi + path="power" + + # gcc 2.7.2 knows rios1, rios2, rsc + # + # -mcpu=rios2 can tickle an AIX assembler bug (see GMP_PROG_CC_WORKS) so + # there needs to be a fallback to just -mpower. + # + gcc_cflags_optlist="cpu" + case $host in + power-*-*) gcc_cflags_cpu="-mcpu=power -mpower" ;; + power1-*-*) gcc_cflags_cpu="-mcpu=rios1 -mpower" ;; + power2-*-*) gcc_cflags_cpu="-mcpu=rios2 -mpower" ;; + power2sc-*-*) gcc_cflags_cpu="-mcpu=rsc -mpower" ;; + esac + case $host in + *-*-aix*) + cclist="gcc xlc" + xlc_cflags="-O2 -qarch=pwr -qmaxmem=20000" + ;; + esac + ;; + + + # RISC-V + [riscv64-*-*]) + cclist="gcc" + path="riscv/64" + ;; + + + # IBM System/390 and z/Architecture + S390_PATTERN | S390X_PATTERN) + abilist="32" + gcc_cflags="$gcc_cflags $fomit_frame_pointer" + gcc_cflags_optlist="arch" + path="s390_32" + path_64="s390_64" + if test "$enable_assembly" = "yes" ; then + extra_functions="udiv_w_sdiv" + fi + gcc_32_cflags_maybe="-m31" + + unset cpu + case $host_cpu in + s390) + ;; + z900 | z900esa) + cpu="z900" + gcc_cflags_arch="-march=$cpu" + extra_functions="" + ;; + z990 | z990esa) + cpu="z990" + gcc_cflags_arch="-march=$cpu" + extra_functions="" + ;; + z9 | z9esa) + cpu="z9" + gcc_cflags_arch="-march=$cpu" + extra_functions="" + ;; + z10 | z10esa) + cpu="z10" + gcc_cflags_arch="-march=$cpu" + extra_functions="" + ;; + z196 | z196esa) + cpu="z196" + gcc_cflags_arch="-march=$cpu" + extra_functions="" + ;; + z13 | z13esa) + cpu="z13" + gcc_cflags_arch="-march=$cpu" + extra_functions="" + path_64="s390_64/z13 $path_64" + ;; + z14 | z14esa) + cpu="z14" + gcc_cflags_arch="-march=$cpu -march=z13" + extra_functions="" + path_64="s390_64/z14 s390_64/z13 $path_64" + ;; + z15 | z15esa) + cpu="z15" + gcc_cflags_arch="-march=$cpu -march=arch13 -march=z14 -march=z13" + extra_functions="" + path_64="s390_64/z15 s390_64/z14 s390_64/z13 $path_64" + ;; + z16 | z16esa) + cpu="z16" + gcc_cflags_arch="-march=$cpu -march=arch14 -march=z15 -march=arch13 -march=z14 -march=z13" + extra_functions="" + path_64="s390_64/z16 s390_64/z15 s390_64/z14 s390_64/z13 $path_64" + ;; + esac + + if test x"$cpu" != x ; then + AC_DEFINE_UNQUOTED(HAVE_HOST_CPU_s390_$cpu) + AC_DEFINE(HAVE_HOST_CPU_s390_zarch) + path="s390_32/esame s390_32" + fi + + case $host in + S390X_PATTERN) + abilist="64 32" + cclist_64="gcc" + gcc_64_cflags_optlist="arch" + gcc_64_cflags="$gcc_cflags -m64" + extra_functions="" + ;; + esac + ;; + + + sh-*-*) path="sh" ;; + [sh[2-4]-*-*]) path="sh/sh2 sh" ;; + + + *sparc*-*-*) + # sizeof(long)==4 or 8 is tested, to ensure we get the right ABI. We've + # had various bug reports where users have set CFLAGS for their desired + # mode, but not set our ABI. For some reason it's sparc where this + # keeps coming up, presumably users there are accustomed to driving the + # compiler mode that way. The effect of our testlist setting is to + # reject ABI=64 in favour of ABI=32 if the user has forced the flags to + # 32-bit mode. + # + abilist="32" + cclist="gcc acc cc" + any_testlist="sizeof-long-4" + GMP_INCLUDE_MPN(sparc32/sparc-defs.m4) + + case $host_cpu in + sparcv8 | microsparc | turbosparc) + path="sparc32/v8 sparc32" ;; + supersparc) + path="sparc32/v8/supersparc sparc32/v8 sparc32" ;; + [sparc64 | sparcv9* | ultrasparc | ultrasparc[234]*]) + path="sparc32/v9 sparc32/v8 sparc32" ;; + [ultrasparct[12345]]) + path="sparc32/ultrasparct1 sparc32/v8 sparc32" ;; + *) + path="sparc32" ;; + esac + + # gcc 2.7.2 doesn't know about v9 and doesn't pass -xarch=v8plus to the + # assembler. Add it explicitly since the solaris assembler won't accept + # our sparc32/v9 asm code without it. gas accepts -xarch=v8plus too, so + # it can be in the cflags unconditionally (though gas doesn't need it). + # + # gcc -m32 is needed to force 32-bit mode on a dual-ABI system, but past + # gcc doesn't know that flag, hence cflags_maybe. Note that -m32 cannot + # be done through the optlist since the plain cflags would be run first + # and we don't want to require the default mode (whatever it is) works. + # + # Note it's gcc_32_cflags_maybe and not gcc_cflags_maybe because the + # latter would be used in the 64-bit ABI on systems like "*bsd" where + # abilist="64" only. + # + gcc_32_cflags_maybe="-m32" + gcc_cflags_optlist="cpu asm" + + # gcc 2.7.2 knows -mcypress, -msupersparc, -mv8, -msparclite. + # gcc 2.95 knows -mcpu= v7, hypersparc, sparclite86x, f930, f934, + # sparclet, tsc701, v9, ultrasparc. A warning is given that the + # plain -m forms will disappear. + # gcc 3.3 adds ultrasparc3. + # + case $host_cpu in + supersparc*) + gcc_cflags_cpu="-mcpu=supersparc -msupersparc" + gcc_cflags_asm="-Wa,-Av8 -Wa,-xarch=v8";; + sparcv8 | microsparc* | turbosparc | hypersparc*) + gcc_cflags_cpu="-mcpu=v8 -mv8" + gcc_cflags_asm="-Wa,-Av8 -Wa,-xarch=v8";; + sparc64 | sparcv9*) + gcc_cflags_cpu="-mcpu=v9" + gcc_32_cflags_asm="-Wa,-Av8 -Wa,-xarch=v8plus" + gcc_64_cflags_asm="-Wa,-Av9 -Wa,-xarch=v9";; + ultrasparc1 | ultrasparc2*) + gcc_cflags_cpu="-mcpu=ultrasparc -mcpu=v9" + gcc_32_cflags_asm="-Wa,-Av8plusa -Wa,-xarch=v8plusa" + gcc_64_cflags_asm="-Wa,-Av9a -Wa,-xarch=v9a";; + [ultrasparc[34]]) + gcc_cflags_cpu="-mcpu=ultrasparc3 -mcpu=ultrasparc -mcpu=v9" + gcc_32_cflags_asm="-Wa,-Av8plusb -Wa,-xarch=v8plusb" + gcc_64_cflags_asm="-Wa,-Av9b -Wa,-xarch=v9b";; + [ultrasparct[12]]) + gcc_cflags_cpu="-mcpu=niagara -mcpu=v9" + gcc_32_cflags_asm="-Wa,-Av8plusc -Wa,-xarch=v8plusc" + gcc_64_cflags_asm="-Wa,-Av9c -Wa,-xarch=v9c";; + ultrasparct3) + gcc_cflags_cpu="-mcpu=niagara3 -mcpu=niagara -mcpu=v9" + gcc_32_cflags_asm="-Wa,-Av8plusd -Wa,-xarch=v8plusd" + gcc_64_cflags_asm="-Wa,-Av9d -Wa,-xarch=v9d";; + [ultrasparct[45]]) + gcc_cflags_cpu="-mcpu=niagara4 -mcpu=niagara3 -mcpu=niagara -mcpu=v9" + gcc_32_cflags_asm="-Wa,-Av8plusd -Wa,-xarch=v8plusd" + gcc_64_cflags_asm="-Wa,-Av9d -Wa,-xarch=v9d";; + *) + gcc_cflags_cpu="-mcpu=v7 -mcypress" + gcc_cflags_asm="";; + esac + + # SunPRO cc and acc, and SunOS bundled cc + case $host in + *-*-solaris* | *-*-sunos*) + # Note no -g, it disables all optimizations. + cc_cflags= + cc_cflags_optlist="opt arch cpu" + + # SunOS <= 4 cc doesn't know -xO3, fallback to -O2. + cc_cflags_opt="-xO3 -O2" + + # SunOS cc doesn't know -xarch, apparently always generating v7 + # code, so make this optional + case $host_cpu in + sparcv8 | microsparc* | supersparc* | turbosparc | hypersparc*) + cc_cflags_arch="-xarch=v8";; + [ultrasparct[345]]) + cc_cflags_arch="-xarch=v8plusd" ;; + sparc64 | sparcv9* | ultrasparc*) + cc_cflags_arch="-xarch=v8plus" ;; + *) + cc_cflags_arch="-xarch=v7" ;; + esac + + # SunOS cc doesn't know -xchip and doesn't seem to have an equivalent. + # SunPRO cc 5 recognises -xchip=generic, old, super, super2, micro, + # micro2, hyper, hyper2, powerup, ultra, ultra2, ultra2i. + # SunPRO cc 6 adds -xchip=ultra2e, ultra3cu. + # + case $host_cpu in + supersparc*) cc_cflags_cpu="-xchip=super" ;; + microsparc*) cc_cflags_cpu="-xchip=micro" ;; + turbosparc) cc_cflags_cpu="-xchip=micro2" ;; + hypersparc*) cc_cflags_cpu="-xchip=hyper" ;; + ultrasparc) cc_cflags_cpu="-xchip=ultra" ;; + ultrasparc2) cc_cflags_cpu="-xchip=ultra2 -xchip=ultra" ;; + ultrasparc2i) cc_cflags_cpu="-xchip=ultra2i -xchip=ultra2 -xchip=ultra" ;; + ultrasparc3) cc_cflags_cpu="-xchip=ultra3 -xchip=ultra" ;; + ultrasparc4) cc_cflags_cpu="-xchip=ultra4 -xchip=ultra3 -xchip=ultra" ;; + ultrasparct1) cc_cflags_cpu="-xchip=ultraT1" ;; + ultrasparct2) cc_cflags_cpu="-xchip=ultraT2 -xchip=ultraT1" ;; + ultrasparct3) cc_cflags_cpu="-xchip=ultraT3 -xchip=ultraT2" ;; + ultrasparct4) cc_cflags_cpu="-xchip=T4" ;; + ultrasparct5) cc_cflags_cpu="-xchip=T5 -xchip=T4" ;; + *) cc_cflags_cpu="-xchip=generic" ;; + esac + esac + + case $host_cpu in + sparc64 | sparcv9* | ultrasparc*) + case $host in + # Solaris 6 and earlier cannot run ABI=64 since it doesn't save + # registers properly, so ABI=32 is left as the only choice. + # + [*-*-solaris2.[0-6] | *-*-solaris2.[0-6].*]) ;; + + # BSD sparc64 ports are 64-bit-only systems, so ABI=64 is the only + # choice. In fact they need no special compiler flags, gcc -m64 + # is the default, but it doesn't hurt to add it. v9 CPUs always + # use the sparc64 port, since the plain 32-bit sparc ports don't + # run on a v9. + # + *-*-*bsd*) abilist="64" ;; + + # For all other systems, we try both 64 and 32. + # + # GNU/Linux sparc64 has only recently gained a 64-bit user mode. + # In the past sparc64 meant a v9 cpu, but there were no 64-bit + # operations in user mode. We assume that if "gcc -m64" works + # then the system is suitable. Hopefully even if someone attempts + # to put a new gcc and/or glibc on an old system it won't run. + # + *) abilist="64 32" ;; + esac + + case $host_cpu in + ultrasparc | ultrasparc2 | ultrasparc2i) + path_64="sparc64/ultrasparc1234 sparc64" ;; + [ultrasparc[34]]) + path_64="sparc64/ultrasparc34 sparc64/ultrasparc1234 sparc64" ;; + [ultrasparct[12]]) + path_64="sparc64/ultrasparct1 sparc64" ;; + [ultrasparct3]) + path_64="sparc64/ultrasparct3 sparc64" ;; + [ultrasparct[45]]) + path_64="sparc64/ultrasparct45 sparc64/ultrasparct3 sparc64" ;; + *) + path_64="sparc64" + esac + + cclist_64="gcc" + any_64_testlist="sizeof-long-8" + + # gcc -mptr64 is probably implied by -m64, but we're not sure if + # this was always so. On Solaris in the past we always used both + # "-m64 -mptr64". + # + # gcc -Wa,-xarch=v9 is thought to be necessary in some cases on + # solaris, but it would seem likely that if gcc is going to generate + # 64-bit code it will have to add that option itself where needed. + # An extra copy of this option should be harmless though, but leave + # it until we're sure. (Might want -xarch=v9a or -xarch=v9b for the + # higher cpu types instead.) + # + gcc_64_cflags="$gcc_cflags -m64" + gcc_64_cflags_maybe="-mptr64" + gcc_64_ldflags="-Wc,-m64" + gcc_64_cflags_optlist="cpu asm" + + case $host in + *-*-solaris*) + # Sun cc. + # + # We used to have -fast and some fixup options here, but it + # recurrently caused problems with miscompilation. Of course, + # -fast is documented as miscompiling things for the sake of speed. + # + cclist_64="$cclist_64 cc" + cc_64_cflags_optlist="cpu" + case $host_cpu in + [ultrasparct[345]]) + cc_64_cflags="$cc_64_cflags -xO3 -xarch=v9d" ;; + *) + cc_64_cflags="-xO3 -xarch=v9" ;; + esac + ;; + esac + + # using the v9 %tick register + SPEED_CYCLECOUNTER_OBJ_32=sparcv9.lo + SPEED_CYCLECOUNTER_OBJ_64=sparcv9.lo + cyclecounter_size_32=2 + cyclecounter_size_64=2 + ;; + esac + ;; + + + # VAX + vax*-*-*elf*) + # Use elf conventions (i.e., '%' register prefix, no global prefix) + # + GMP_INCLUDE_MPN(vax/elf.m4) + gcc_cflags="$gcc_cflags $fomit_frame_pointer" + path="vax" + if test "$enable_assembly" = "yes" ; then + extra_functions="udiv_w_sdiv" + fi + ;; + vax*-*-*) + # Default to aout conventions (i.e., no register prefix, '_' global prefix) + # + gcc_cflags="$gcc_cflags $fomit_frame_pointer" + path="vax" + if test "$enable_assembly" = "yes" ; then + extra_functions="udiv_w_sdiv" + fi + ;; + + + # AMD and Intel x86 configurations, including AMD64 + # + # Rumour has it gcc -O2 used to give worse register allocation than just + # -O, but lets assume that's no longer true. + # + # -m32 forces 32-bit mode on a bi-arch 32/64 amd64 build of gcc. -m64 is + # the default in such a build (we think), so -m32 is essential for ABI=32. + # This is, of course, done for any $host_cpu, not just x86_64, so we can + # get such a gcc into the right mode to cross-compile to say i486-*-*. + # + # -m32 is not available in gcc 2.95 and earlier, hence cflags_maybe to use + # it when it works. We check sizeof(long)==4 to ensure we get the right + # mode, in case -m32 has failed not because it's an old gcc, but because + # it's a dual 32/64-bit gcc without a 32-bit libc, or whatever. + # + X86_PATTERN | X86_64_PATTERN) + abilist="32" + cclist="gcc icc cc" + gcc_cflags="$gcc_cflags $fomit_frame_pointer" + gcc_32_cflags_maybe="-m32" + icc_cflags="-no-gcc" + icc_cflags_optlist="opt" + icc_cflags_opt="-O3 -O2 -O1" + icc_cflags_opt_maybe="-fp-model~precise" + any_32_testlist="sizeof-long-4" + gcc_cflags_optlist="cpu arch noavx" + CALLING_CONVENTIONS_OBJS='x86call.lo x86check$U.lo' + + # Availability of rdtsc is checked at run-time. + SPEED_CYCLECOUNTER_OBJ=pentium.lo + + # Set to "yes" below on a per-cpu basis. We do that in order to allow for + # a relevant warning to be output when using a CPU with mulx on a system + # which cannot assemble it. + x86_have_mulx=no + + # gcc 2.7.2 only knows i386 and i486, using -m386 or -m486. These + # represent -mcpu= since -m486 doesn't generate 486 specific insns. + # gcc 2.95 adds k6, pentium and pentiumpro, and takes -march= and -mcpu=. + # gcc 3.0 adds athlon. + # gcc 3.1 adds k6-2, k6-3, pentium-mmx, pentium2, pentium3, pentium4, + # athlon-tbird, athlon-4, athlon-xp, athlon-mp. + # gcc 3.2 adds winchip2. + # gcc 3.3 adds winchip-c6. + # gcc 3.3.1 from mandrake adds k8 and knows -mtune. + # gcc 3.4 adds c3, c3-2, k8, and deprecates -mcpu in favour of -mtune. + # + # In gcc 2.95.[0123], -march=pentiumpro provoked a stack slot bug in an + # old version of mpz/powm.c. Seems to be fine with the current code, so + # no need for any restrictions on that option. + # + # -march=pentiumpro can fail if the assembler doesn't know "cmov" + # (eg. solaris 2.8 native "as"), so always have -march=pentium after + # that as a fallback. + # + # -march=pentium4 and -march=k8 enable SSE2 instructions, which may or + # may not be supported by the assembler and/or the OS, and is bad in gcc + # prior to 3.3. The tests will reject these if no good, so fallbacks + # like "-march=pentium4 -mno-sse2" are given to try also without SSE2. + # Note the relevant -march types are listed in the optflags handling + # below, be sure to update there if adding new types emitting SSE2. + # + # -mtune is used at the start of each cpu option list to give something + # gcc 3.4 will use, thereby avoiding warnings from -mcpu. -mcpu forms + # are retained for use by prior gcc. For example pentium has + # "-mtune=pentium -mcpu=pentium ...", the -mtune is for 3.4 and the + # -mcpu for prior. If there's a brand new choice in 3.4 for a chip, + # like k8 for x86_64, then it can be the -mtune at the start, no need to + # duplicate anything. + # + case $host_cpu in + i386*) + gcc_cflags_cpu="-mtune=i386 -mcpu=i386 -m386" + gcc_cflags_arch="-march=i386" + path="x86" + ;; + i486*) + gcc_cflags_cpu="-mtune=i486 -mcpu=i486 -m486" + gcc_cflags_arch="-march=i486" + path="x86/i486 x86" + ;; + i586 | pentium) + gcc_cflags_cpu="-mtune=pentium -mcpu=pentium -m486" + gcc_cflags_arch="-march=pentium" + path="x86/pentium x86" + ;; + pentiummmx) + gcc_cflags_cpu="-mtune=pentium-mmx -mcpu=pentium-mmx -mcpu=pentium -m486" + gcc_cflags_arch="-march=pentium-mmx -march=pentium" + path="x86/pentium/mmx x86/pentium x86/mmx x86" + ;; + i686 | pentiumpro) + gcc_cflags_cpu="-mtune=pentiumpro -mcpu=pentiumpro -mcpu=i486 -m486" + gcc_cflags_arch="-march=pentiumpro -march=pentium" + path="x86/p6 x86" + ;; + pentium2) + gcc_cflags_cpu="-mtune=pentium2 -mcpu=pentium2 -mcpu=pentiumpro -mcpu=i486 -m486" + gcc_cflags_arch="-march=pentium2 -march=pentiumpro -march=pentium" + path="x86/p6/mmx x86/p6 x86/mmx x86" + ;; + pentium3) + gcc_cflags_cpu="-mtune=pentium3 -mcpu=pentium3 -mcpu=pentiumpro -mcpu=i486 -m486" + gcc_cflags_arch="-march=pentium3 -march=pentiumpro -march=pentium" + path="x86/p6/p3mmx x86/p6/mmx x86/p6 x86/mmx x86" + ;; + pentiumm) + gcc_cflags_cpu="-mtune=pentium3 -mcpu=pentium3 -mcpu=pentiumpro -mcpu=i486 -m486" + gcc_cflags_arch="-march=pentium3 -march=pentiumpro -march=pentium" + path="x86/p6/sse2 x86/p6/p3mmx x86/p6/mmx x86/p6 x86/mmx x86" + ;; + k6) + gcc_cflags_cpu="-mtune=k6 -mcpu=k6 -mcpu=i486 -m486" + gcc_cflags_arch="-march=k6" + path="x86/k6/mmx x86/k6 x86/mmx x86" + ;; + k62) + gcc_cflags_cpu="-mtune=k6-2 -mcpu=k6-2 -mcpu=k6 -mcpu=i486 -m486" + gcc_cflags_arch="-march=k6-2 -march=k6" + path="x86/k6/k62mmx x86/k6/mmx x86/k6 x86/mmx x86" + ;; + k63) + gcc_cflags_cpu="-mtune=k6-3 -mcpu=k6-3 -mcpu=k6 -mcpu=i486 -m486" + gcc_cflags_arch="-march=k6-3 -march=k6" + path="x86/k6/k62mmx x86/k6/mmx x86/k6 x86/mmx x86" + ;; + geode) + gcc_cflags_cpu="-mtune=k6-3 -mcpu=k6-3 -mcpu=k6 -mcpu=i486 -m486" + gcc_cflags_arch="-march=k6-3 -march=k6" + path="x86/geode x86/k6/k62mmx x86/k6/mmx x86/k6 x86/mmx x86" + ;; + athlon) + # Athlon instruction costs are close to P6 (3 cycle load latency, + # 4-6 cycle mul, 40 cycle div, pairable adc, etc) so if gcc doesn't + # know athlon (eg. 2.95.2 doesn't) then fall back on pentiumpro. + gcc_cflags_cpu="-mtune=athlon -mcpu=athlon -mcpu=pentiumpro -mcpu=i486 -m486" + gcc_cflags_arch="-march=athlon -march=pentiumpro -march=pentium" + path="x86/k7/mmx x86/k7 x86/mmx x86" + ;; + i786 | pentium4) + # pentiumpro is the primary fallback when gcc doesn't know pentium4. + # This gets us cmov to eliminate branches. Maybe "athlon" would be + # a possibility on gcc 3.0. + # + gcc_cflags_cpu="-mtune=pentium4 -mcpu=pentium4 -mcpu=pentiumpro -mcpu=i486 -m486" + gcc_cflags_arch="-march=pentium4 -march=pentium4~-mno-sse2 -march=pentiumpro -march=pentium" + gcc_64_cflags_cpu="-mtune=nocona" + path="x86/pentium4/sse2 x86/pentium4/mmx x86/pentium4 x86/mmx x86" + path_64="x86_64/pentium4 x86_64" + ;; + viac32) + # Not sure of the best fallbacks here for -mcpu. + # c3-2 has sse and mmx, so pentium3 is good for -march. + gcc_cflags_cpu="-mtune=c3-2 -mcpu=c3-2 -mcpu=i486 -m486" + gcc_cflags_arch="-march=c3-2 -march=pentium3 -march=pentiumpro -march=pentium" + path="x86/p6/p3mmx x86/p6/mmx x86/p6 x86/mmx x86" + ;; + viac3*) + # Not sure of the best fallbacks here. + gcc_cflags_cpu="-mtune=c3 -mcpu=c3 -mcpu=i486 -m486" + gcc_cflags_arch="-march=c3 -march=pentium-mmx -march=pentium" + path="x86/pentium/mmx x86/pentium x86/mmx x86" + ;; + athlon64 | k8 | x86_64) + gcc_cflags_cpu="-mtune=k8 -mcpu=athlon -mcpu=pentiumpro -mcpu=i486 -m486" + gcc_cflags_arch="-march=k8 -march=k8~-mno-sse2 -march=athlon -march=pentiumpro -march=pentium" + path="x86/k8 x86/k7/mmx x86/k7 x86/mmx x86" + path_64="x86_64/k8 x86_64" + ;; + k10) + gcc_cflags_cpu="-mtune=amdfam10 -mtune=k8" + gcc_cflags_arch="-march=amdfam10 -march=k8 -march=k8~-mno-sse2" + path="x86/k10 x86/k8 x86/k7/mmx x86/k7 x86/mmx x86" + path_64="x86_64/k10 x86_64/k8 x86_64" + ;; + bobcat) + gcc_cflags_cpu="-mtune=btver1 -mtune=amdfam10 -mtune=k8" + gcc_cflags_arch="-march=btver1 -march=amdfam10 -march=k8 -march=k8~-mno-sse2" + path="x86/bt1 x86/k7/mmx x86/k7 x86/mmx x86" + path_64="x86_64/bt1 x86_64/k10 x86_64/k8 x86_64" + ;; + jaguar | jaguarnoavx) + gcc_cflags_cpu="-mtune=btver2 -mtune=btver1 -mtune=amdfam10 -mtune=k8" + gcc_cflags_arch="-march=btver2 -march=btver1 -march=amdfam10 -march=k8 -march=k8~-mno-sse2" + path="x86/bt2 x86/bt1 x86/k7/mmx x86/k7 x86/mmx x86" + path_64="x86_64/bt2 x86_64/bt1 x86_64/k10 x86_64/k8 x86_64" + ;; + bulldozer | bd1 | bulldozernoavx | bd1noavx) + gcc_cflags_cpu="-mtune=bdver1 -mtune=amdfam10 -mtune=k8" + gcc_cflags_arch="-march=bdver1 -march=amdfam10 -march=k8 -march=k8~-mno-sse2" + path="x86/bd1 x86/k7/mmx x86/k7 x86/mmx x86" + path_64="x86_64/bd1 x86_64/k10 x86_64/k8 x86_64" + ;; + piledriver | bd2 | piledrivernoavx | bd2noavx) + gcc_cflags_cpu="-mtune=bdver2 -mtune=bdver1 -mtune=amdfam10 -mtune=k8" + gcc_cflags_arch="-march=bdver2 -march=bdver1 -march=amdfam10 -march=k8 -march=k8~-mno-sse2" + path="x86/bd2 x86/bd1 x86/k7/mmx x86/k7 x86/mmx x86" + path_64="x86_64/bd2 x86_64/bd1 x86_64/k10 x86_64/k8 x86_64" + ;; + steamroller | bd3 | steamrollernoavx | bd3noavx) + gcc_cflags_cpu="-mtune=bdver3 -mtune=bdver2 -mtune=bdver1 -mtune=amdfam10 -mtune=k8" + gcc_cflags_arch="-march=bdver3 -march=bdver2 -march=bdver1 -march=amdfam10 -march=k8 -march=k8~-mno-sse2" + path="x86/bd3 x86/bd2 x86/bd1 x86/k7/mmx x86/k7 x86/mmx x86" + path_64="x86_64/bd3 x86_64/bd2 x86_64/bd1 x86_64/k10 x86_64/k8 x86_64" + ;; + excavator | bd4 | excavatornoavx | bd4noavx) + gcc_cflags_cpu="-mtune=bdver4 -mtune=bdver3 -mtune=bdver2 -mtune=bdver1 -mtune=amdfam10 -mtune=k8" + gcc_cflags_arch="-march=bdver4 -march=bdver3 -march=bdver2 -march=bdver1 -march=amdfam10 -march=k8 -march=k8~-mno-sse2" + path="x86/bd4 x86/bd3 x86/bd2 x86/bd1 x86/k7/mmx x86/k7 x86/mmx x86" + path_64="x86_64/bd4 x86_64/bd3 x86_64/bd2 x86_64/bd1 x86_64/k10 x86_64/k8 x86_64" + x86_have_mulx=yes + ;; + zen | zennoavx) + gcc_cflags_cpu="-mtune=znver1 -mtune=amdfam10 -mtune=k8" + gcc_cflags_arch="-march=znver1 -march=amdfam10 -march=k8" + path="x86/k7/mmx x86/k7 x86/mmx x86" + x86_have_mulx=yes + path_64="x86_64/zen x86_64" + ;; + zen2 | zen2noavx) + gcc_cflags_cpu="-mtune=znver2 -mtune=znver1 -mtune=amdfam10 -mtune=k8" + gcc_cflags_arch="-march=znver2 -march=znver1 -march=amdfam10 -march=k8" + path="x86/k7/mmx x86/k7 x86/mmx x86" + x86_have_mulx=yes + path_64="x86_64/zen2 x86_64/zen x86_64" + ;; + zen3 | zen3noavx | zen4 | zen4noavx) + gcc_cflags_cpu="-mtune=znver3 -mtune=znver2 -mtune=znver1 -mtune=amdfam10 -mtune=k8" + gcc_cflags_arch="-march=znver3 -march=znver2 -march=znver1 -march=amdfam10 -march=k8" + path="x86/k7/mmx x86/k7 x86/mmx x86" + x86_have_mulx=yes + path_64="x86_64/zen3 x86_64/zen2 x86_64/zen x86_64" + ;; + core2) + gcc_cflags_cpu="-mtune=core2 -mtune=k8" + gcc_cflags_arch="-march=core2 -march=core2~-mno-sse2 -march=k8 -march=k8~-mno-sse2" + path="x86/core2 x86/p6/sse2 x86/p6/p3mmx x86/p6/mmx x86/p6 x86/mmx x86" + path_64="x86_64/core2 x86_64" + ;; + corei | coreinhm | coreiwsm | nehalem | westmere) + gcc_cflags_cpu="-mtune=nehalem -mtune=corei7 -mtune=core2 -mtune=k8" + gcc_cflags_arch="-march=nehalem -march=corei7 -march=core2 -march=core2~-mno-sse2 -march=k8 -march=k8~-mno-sse2" + path="x86/coreinhm x86/p6/sse2 x86/p6/p3mmx x86/p6/mmx x86/p6 x86/mmx x86" + path_64="x86_64/coreinhm x86_64/core2 x86_64" + ;; + coreisbr | coreisbrnoavx | coreiibr | coreiibrnoavx | \ + sandybridge | sandybridgenoavx | ivybridge | ivybridgenoavx) + gcc_cflags_cpu="-mtune=sandybridge -mtune=corei7 -mtune=core2" + gcc_cflags_arch="-march=sandybridge -march=corei7 -march=core2 -march=core2~-mno-sse2" + path="x86/coreisbr x86/p6/sse2 x86/p6/p3mmx x86/p6/mmx x86/p6 x86/mmx x86" + path_64="x86_64/coreisbr x86_64/coreinhm x86_64/core2 x86_64" + ;; + coreihwl | coreihwlnoavx | haswell | haswellnoavx) + gcc_cflags_cpu="-mtune=haswell -mtune=corei7 -mtune=core2" + gcc_cflags_arch="-march=haswell -march=corei7 -march=core2 -march=core2~-mno-sse2" + path="x86/coreihwl x86/coreisbr x86/p6/sse2 x86/p6/p3mmx x86/p6/mmx x86/p6 x86/mmx x86" + path_64="x86_64/coreihwl x86_64/coreisbr x86_64/coreinhm x86_64/core2 x86_64" + x86_have_mulx=yes + ;; + coreibwl | coreibwlnoavx | broadwell | broadwellnoavx) + gcc_cflags_cpu="-mtune=broadwell -mtune=haswell -mtune=corei7 -mtune=core2" + gcc_cflags_arch="-march=broadwell -march=haswell -march=corei7 -march=core2 -march=core2~-mno-sse2" + path="x86/coreihwl x86/coreisbr x86/p6/sse2 x86/p6/p3mmx x86/p6/mmx x86/p6 x86/mmx x86" + path_64="x86_64/coreibwl x86_64/coreihwl x86_64/coreisbr x86_64/coreinhm x86_64/core2 x86_64" + # extra_functions_64="missing" # enable for bmi2/adx simulation + x86_have_mulx=yes + ;; + skylake | skylakenoavx | kabylake | kabylakenoavx) + gcc_cflags_cpu="-mtune=skylake -mtune=broadwell -mtune=haswell -mtune=corei7 -mtune=core2" + # Don't pass -march=skylake for now as then some compilers emit AVX512. + gcc_cflags_arch="-march=broadwell -march=haswell -march=corei7 -march=core2 -march=core2~-mno-sse2" + path="x86/coreihwl x86/coreisbr x86/p6/sse2 x86/p6/p3mmx x86/p6/mmx x86/p6 x86/mmx x86" + path_64="x86_64/skylake x86_64/coreibwl x86_64/coreihwl x86_64/coreisbr x86_64/coreinhm x86_64/core2 x86_64" + # extra_functions_64="missing" # enable for bmi2/adx simulation + x86_have_mulx=yes + ;; + icelake | icelakenoavx | tigerlake | tigerlakenoavx | \ + rocketlake | rocketlakenoavx) + gcc_cflags_cpu="-mtune=icelake-client -mtune=skylake -mtune=broadwell -mtune=haswell" + gcc_cflags_arch="-march=icelake-client -march=skylake -march=broadwell -march=haswell" + path="x86/coreihwl x86/coreisbr x86/p6/sse2 x86/p6/p3mmx x86/p6/mmx x86/p6 x86/mmx x86" + path_64="x86_64/icelake x86_64/skylake x86_64/coreibwl x86_64/coreihwl x86_64/coreisbr x86_64/coreinhm x86_64/core2 x86_64" + # extra_functions_64="missing" # enable for bmi2/adx simulation + x86_have_mulx=yes + ;; + alderlake | alderlakenoavx | raptorlake | raptorlakenoavx) + gcc_cflags_cpu="-mtune=alderlake -mtune=icelake-client -mtune=skylake -mtune=broadwell -mtune=haswell" + gcc_cflags_arch="-march=alderlake -march=skylake -march=broadwell -march=haswell" + path="x86/coreihwl x86/coreisbr x86/p6/sse2 x86/p6/p3mmx x86/p6/mmx x86/p6 x86/mmx x86" + path_64="x86_64/alderlake x86_64/icelake x86_64/skylake x86_64/coreibwl x86_64/coreihwl x86_64/coreisbr x86_64/coreinhm x86_64/core2 x86_64" + # extra_functions_64="missing" # enable for bmi2/adx simulation + x86_have_mulx=yes + ;; + atom) # in-order pipeline atom + gcc_cflags_cpu="-mtune=atom -mtune=pentium3" + gcc_cflags_arch="-march=atom -march=pentium3" + path="x86/atom/sse2 x86/atom/mmx x86/atom x86/mmx x86" + path_64="x86_64/atom x86_64" + ;; + silvermont) # out-of-order pipeline atom + gcc_cflags_cpu="-mtune=slm -mtune=atom -mtune=pentium3" + gcc_cflags_arch="-march=slm -march=atom -march=pentium3" + path="x86/silvermont x86/atom/sse2 x86/atom/mmx x86/atom x86/mmx x86" + path_64="x86_64/silvermont x86_64/atom x86_64" + ;; + goldmont) # out-of-order pipeline atom + gcc_cflags_cpu="-mtune=slm -mtune=atom -mtune=pentium3" + gcc_cflags_arch="-march=slm -march=atom -march=pentium3" + path="x86/goldmont x86/atom/sse2 x86/atom/mmx x86/atom x86/mmx x86" + path_64="x86_64/goldmont x86_64/silvermont x86_64/atom x86_64" + ;; + tremont) # out-of-order pipeline atom + gcc_cflags_cpu="-mtune=slm -mtune=atom -mtune=pentium3" + gcc_cflags_arch="-march=slm -march=atom -march=pentium3" + path="x86/goldmont x86/atom/sse2 x86/atom/mmx x86/atom x86/mmx x86" + path_64="x86_64/tremont x86_64/goldmont x86_64/silvermont x86_64/atom x86_64" + ;; + nano) + gcc_cflags_cpu="-mtune=nano" + gcc_cflags_arch="-march=nano" + path="x86/nano x86/mmx x86" + path_64="x86_64/nano x86_64" + ;; + *) + gcc_cflags_cpu="-mtune=i486 -mcpu=i486 -m486" + gcc_cflags_arch="-march=i486" + path="x86" + path_64="x86_64" + ;; + esac + + case $host in + # Disable AVX if the CPU part tells us AVX is unavailable, but also + # unconditionally for NetBSD where they don't work but OSXSAVE is set + # to claim the contrary. + *noavx-*-* | *-*-netbsd*) + gcc_cflags_noavx="-mno-avx" + GMP_DEFINE_RAW(["define(<GMP_AVX_NOT_REALLY_AVAILABLE>,1)"]) + ;; + esac + + case $host in + X86_64_PATTERN) + cclist_64="gcc cc" + gcc_64_cflags="$gcc_cflags -m64" + gcc_64_cflags_optlist="cpu arch noavx" + CALLING_CONVENTIONS_OBJS_64='amd64call.lo amd64check$U.lo' + SPEED_CYCLECOUNTER_OBJ_64=x86_64.lo + cyclecounter_size_64=2 + + cclist_x32="gcc cc" + gcc_x32_cflags="$gcc_cflags -mx32" + gcc_x32_cflags_optlist="$gcc_64_cflags_optlist" + CALLING_CONVENTIONS_OBJS_x32="$CALLING_CONVENTIONS_OBJS_64" + SPEED_CYCLECOUNTER_OBJ_x32="$SPEED_CYCLECOUNTER_OBJ_64" + cyclecounter_size_x32="$cyclecounter_size_64" + path_x32="$path_64" + limb_x32=longlong + any_x32_testlist="sizeof-long-4" + + abilist="64 x32 32" + if test "$enable_assembly" = "yes" ; then + extra_functions_64="$extra_functions_64 invert_limb_table" + extra_functions_x32=$extra_functions_64 + fi + + case $host in + *-*-solaris*) + # Sun cc. + cc_64_cflags="-xO3 -m64" + ;; + *-*-mingw* | *-*-msys | *-*-cygwin) + limb_64=longlong + CALLING_CONVENTIONS_OBJS_64="" + AC_DEFINE(HOST_DOS64,1,[Define to 1 for Windos/64]) + GMP_NONSTD_ABI_64=DOS64 + ;; + esac + ;; + esac + ;; + + + # Special CPU "none" used to select generic C, now this is obsolete. + none-*-*) + enable_assembly=no + AC_MSG_WARN([the \"none\" host is obsolete, use --disable-assembly]) + ;; + +esac + +# mingw can be built by the cygwin gcc if -mno-cygwin is added. For +# convenience add this automatically if it works. Actual mingw gcc accepts +# -mno-cygwin too, but of course is the default. mingw only runs on the +# x86s, but allow any CPU here so as to catch "none" too. +# +case $host in + *-*-mingw* | *-*-msys) + gcc_cflags_optlist="$gcc_cflags_optlist nocygwin" + gcc_cflags_nocygwin="-mno-cygwin" + ;; +esac + + +CFLAGS_or_unset=${CFLAGS-'(unset)'} +CPPFLAGS_or_unset=${CPPFLAGS-'(unset)'} + +cat >&AC_FD_CC <<EOF +User: +ABI=$ABI +CC=$CC +CFLAGS=$CFLAGS_or_unset +CPPFLAGS=$CPPFLAGS_or_unset +MPN_PATH=$MPN_PATH +GMP: +abilist=$abilist +cclist=$cclist +EOF + + +test_CFLAGS=${CFLAGS+set} +test_CPPFLAGS=${CPPFLAGS+set} + +for abi in $abilist; do + abi_last="$abi" +done + +# If the user specifies an ABI then it must be in $abilist, after that +# $abilist is restricted to just that choice. +# +if test -n "$ABI"; then + found=no + for abi in $abilist; do + if test $abi = "$ABI"; then found=yes; break; fi + done + if test $found = no; then + AC_MSG_ERROR([ABI=$ABI is not among the following valid choices: $abilist]) + fi + abilist="$ABI" +fi + +found_compiler=no + +for abi in $abilist; do + + echo "checking ABI=$abi" + + # Suppose abilist="64 32", then for abi=64, will have abi1="_64" and + # abi2="_64". For abi=32, will have abi1="_32" and abi2="". This is how + # $gcc_cflags becomes a fallback for $gcc_32_cflags (the last in the + # abilist), but there's no fallback for $gcc_64_cflags. + # + abi1=[`echo _$abi | sed 's/[.]//g'`] + if test $abi = $abi_last; then abi2=; else abi2="$abi1"; fi + + # Compiler choices under this ABI + eval cclist_chosen=\"\$cclist$abi1\" + test -n "$cclist_chosen" || eval cclist_chosen=\"\$cclist$abi2\" + + # If there's a user specified $CC then don't use a list for + # $cclist_chosen, just a single value for $ccbase. + # + if test -n "$CC"; then + + # The first word of $CC, stripped of any directory. For instance + # CC="/usr/local/bin/gcc -pipe" will give "gcc". + # + for ccbase in $CC; do break; done + ccbase=`echo $ccbase | sed 's:.*/::'` + + # If this $ccbase is in $cclist_chosen then it's a compiler we know and + # we can do flags defaulting with it. If not, then $cclist_chosen is + # set to "unrecognised" so no default flags are used. + # + # "unrecognised" is used to avoid bad effects with eval if $ccbase has + # non-symbol characters. For instance ccbase=my+cc would end up with + # something like cflags="$my+cc_cflags" which would give + # cflags="+cc_cflags" rather than the intended empty string for an + # unknown compiler. + # + found=unrecognised + for i in $cclist_chosen; do + if test "$ccbase" = $i; then + found=$ccbase + break + fi + done + cclist_chosen=$found + fi + + for ccbase in $cclist_chosen; do + + # When cross compiling, look for a compiler with the $host_alias as a + # prefix, the same way that AC_CHECK_TOOL does. But don't do this to a + # user-selected $CC. + # + # $cross_compiling will be yes/no/maybe at this point. Do the host + # prefixing for "maybe" as well as "yes". + # + if test "$cross_compiling" != no && test -z "$CC"; then + cross_compiling_prefix="${host_alias}-" + fi + + for ccprefix in $cross_compiling_prefix ""; do + + cc="$CC" + test -n "$cc" || cc="$ccprefix$ccbase" + + # If the compiler is gcc but installed under another name, then change + # $ccbase so as to use the flags we know for gcc. This helps for + # instance when specifying CC=gcc272 on Debian GNU/Linux, or the + # native cc which is really gcc on NeXT or MacOS-X. + # + # FIXME: There's a slight misfeature here. If cc is actually gcc but + # gcc is not a known compiler under this $abi then we'll end up + # testing it with no flags and it'll work, but chances are it won't be + # in the right mode for the ABI we desire. Let's quietly hope this + # doesn't happen. + # + if test $ccbase != gcc; then + GMP_PROG_CC_IS_GNU($cc,ccbase=gcc) + fi + + # Similarly if the compiler is IBM xlc but invoked as cc or whatever + # then change $ccbase and make the default xlc flags available. + if test $ccbase != xlc; then + GMP_PROG_CC_IS_XLC($cc,ccbase=xlc) + fi + + # acc was Sun's first unbundled compiler back in the SunOS days, or + # something like that, but today its man page says it's not meant to + # be used directly (instead via /usr/ucb/cc). The options are pretty + # much the same as the main SunPRO cc, so share those configs. + # + case $host in + *sparc*-*-solaris* | *sparc*-*-sunos*) + if test "$ccbase" = acc; then ccbase=cc; fi ;; + esac + + for tmp_cflags_maybe in yes no; do + eval cflags=\"\$${ccbase}${abi1}_cflags\" + test -n "$cflags" || eval cflags=\"\$${ccbase}${abi2}_cflags\" + + if test "$tmp_cflags_maybe" = yes; then + # don't try cflags_maybe when the user set CFLAGS + if test "$test_CFLAGS" = set; then continue; fi + eval cflags_maybe=\"\$${ccbase}${abi1}_cflags_maybe\" + test -n "$cflags_maybe" || eval cflags_maybe=\"\$${ccbase}${abi2}_cflags_maybe\" + # don't try cflags_maybe if there's nothing set + if test -z "$cflags_maybe"; then continue; fi + cflags="$cflags_maybe $cflags" + fi + + # Any user CFLAGS, even an empty string, takes precedence + if test "$test_CFLAGS" = set; then cflags=$CFLAGS; fi + + # Any user CPPFLAGS, even an empty string, takes precedence + eval cppflags=\"\$${ccbase}${abi1}_cppflags\" + test -n "$cppflags" || eval cppflags=\"\$${ccbase}${abi2}_cppflags\" + if test "$test_CPPFLAGS" = set; then cppflags=$CPPFLAGS; fi + + # --enable-profiling adds -p/-pg even to user-specified CFLAGS. + # This is convenient, but it's perhaps a bit naughty to modify user + # CFLAGS. + case "$enable_profiling" in + prof) cflags="$cflags -p" ;; + gprof) cflags="$cflags -pg" ;; + instrument) cflags="$cflags -finstrument-functions" ;; + esac + + GMP_PROG_CC_WORKS($cc $cflags $cppflags,,continue) + + # If we're supposed to be using a "long long" for a limb, check that + # it works. + eval limb_chosen=\"\$limb$abi1\" + test -n "$limb_chosen" || eval limb_chosen=\"\$limb$abi2\" + if test "$limb_chosen" = longlong; then + GMP_PROG_CC_WORKS_LONGLONG($cc $cflags $cppflags,,continue) + fi + + # The tests to perform on this $cc, if any + eval testlist=\"\$${ccbase}${abi1}_testlist\" + test -n "$testlist" || eval testlist=\"\$${ccbase}${abi2}_testlist\" + test -n "$testlist" || eval testlist=\"\$any${abi1}_testlist\" + test -n "$testlist" || eval testlist=\"\$any${abi2}_testlist\" + + testlist_pass=yes + for tst in $testlist; do + case $tst in + hpc-hppa-2-0) GMP_HPC_HPPA_2_0($cc,,testlist_pass=no) ;; + gcc-arm-umodsi) GMP_GCC_ARM_UMODSI($cc,,testlist_pass=no) ;; + gcc-mips-o32) GMP_GCC_MIPS_O32($cc,,testlist_pass=no) ;; + hppa-level-2.0) GMP_HPPA_LEVEL_20($cc $cflags,,testlist_pass=no) ;; + sizeof*) GMP_C_TEST_SIZEOF($cc $cflags,$tst,,testlist_pass=no) ;; + esac + if test $testlist_pass = no; then break; fi + done + + if test $testlist_pass = yes; then + found_compiler=yes + break + fi + done + + if test $found_compiler = yes; then break; fi + done + + if test $found_compiler = yes; then break; fi + done + + if test $found_compiler = yes; then break; fi +done + + +# If we recognised the CPU, as indicated by $path being set, then insist +# that we have a working compiler, either from our $cclist choices or from +# $CC. We can't let AC_PROG_CC look around for a compiler because it might +# find one that we've rejected (for not supporting the modes our asm code +# demands, etc). +# +# If we didn't recognise the CPU (and this includes host_cpu=none), then +# fall through and let AC_PROG_CC look around for a compiler too. This is +# mostly in the interests of following a standard autoconf setup, after all +# we've already tested cc and gcc adequately (hopefully). As of autoconf +# 2.50 the only thing AC_PROG_CC really adds is a check for "cl" (Microsoft +# C on MS-DOS systems). +# +if test $found_compiler = no && test -n "$path"; then + AC_MSG_ERROR([could not find a working compiler, see config.log for details]) +fi + +case $host in + X86_PATTERN | X86_64_PATTERN) + # If the user asked for a fat build, override the path and flags set above + if test $enable_fat = yes; then + gcc_cflags_cpu="" + gcc_cflags_arch="" + + fat_functions="add_n addmul_1 bdiv_dbm1c com cnd_add_n cnd_sub_n + copyd copyi dive_1 divrem_1 + gcd_11 lshift lshiftc mod_1 mod_1_1 mod_1_1_cps mod_1_2 + mod_1_2_cps mod_1_4 mod_1_4_cps mod_34lsub1 mode1o mul_1 + mul_basecase mullo_basecase pre_divrem_1 pre_mod_1 redc_1 + redc_2 rshift sqr_basecase sub_n submul_1" + + if test "$abi" = 32; then + extra_functions="$extra_functions fat fat_entry" + path="x86/fat x86" + fat_path="x86 x86/fat x86/i486 + x86/k6 x86/k6/mmx x86/k6/k62mmx + x86/k7 x86/k7/mmx + x86/k8 x86/k10 x86/bt1 x86/bd1 + x86/pentium x86/pentium/mmx + x86/p6 x86/p6/mmx x86/p6/p3mmx x86/p6/sse2 + x86/pentium4 x86/pentium4/mmx x86/pentium4/sse2 + x86/core2 x86/coreinhm x86/coreisbr + x86/goldmont x86/silvermont + x86/atom x86/atom/mmx x86/atom/sse2 x86/nano" + fi + + if test "$abi" = 64; then + gcc_64_cflags="" + extra_functions_64="$extra_functions_64 fat fat_entry" + path_64="x86_64/fat x86_64" + fat_path="x86_64 x86_64/fat + x86_64/k8 x86_64/k10 x86_64/bd1 x86_64/bt1 x86_64/bt2 x86_64/zen + x86_64/pentium4 x86_64/core2 x86_64/coreinhm x86_64/coreisbr + x86_64/coreihwl x86_64/coreibwl x86_64/skylake x86_64/atom + x86_64/silvermont x86_64/goldmont x86_64/nano" + fat_functions="$fat_functions addmul_2 addlsh1_n addlsh2_n sublsh1_n" + fi + + fat_thresholds="MUL_TOOM22_THRESHOLD MUL_TOOM33_THRESHOLD + SQR_TOOM2_THRESHOLD SQR_TOOM3_THRESHOLD + BMOD_1_TO_MOD_1_THRESHOLD" + fi + ;; +esac + + +if test $found_compiler = yes; then + + # If we're creating CFLAGS, then look for optional additions. If the user + # set CFLAGS then leave it alone. + # + if test "$test_CFLAGS" != set; then + eval optlist=\"\$${ccbase}${abi1}_cflags_optlist\" + test -n "$optlist" || eval optlist=\"\$${ccbase}${abi2}_cflags_optlist\" + + for opt in $optlist; do + eval optflags=\"\$${ccbase}${abi1}_cflags_${opt}\" + test -n "$optflags" || eval optflags=\"\$${ccbase}${abi2}_cflags_${opt}\" + test -n "$optflags" || eval optflags=\"\$${ccbase}_cflags_${opt}\" + + for flag in $optflags; do + + # ~ represents a space in an option spec + flag=`echo "$flag" | tr '~' ' '` + + case $flag in + -march=pentium4 | -march=k8) + # For -march settings which enable SSE2 we exclude certain bad + # gcc versions and we need an OS knowing how to save xmm regs. + # + # This is only for ABI=32, any 64-bit gcc is good and any OS + # knowing x86_64 will know xmm. + # + # -march=k8 was only introduced in gcc 3.3, so we shouldn't need + # the GMP_GCC_PENTIUM4_SSE2 check (for gcc 3.2 and prior). But + # it doesn't hurt to run it anyway, sharing code with the + # pentium4 case. + # + if test "$abi" = 32; then + GMP_GCC_PENTIUM4_SSE2($cc $cflags $cppflags,, continue) + GMP_OS_X86_XMM($cc $cflags $cppflags,, continue) + fi + ;; + -no-cpp-precomp) + # special check, avoiding a warning + GMP_GCC_NO_CPP_PRECOMP($ccbase,$cc,$cflags, + [cflags="$cflags $flag" + break], + [continue]) + ;; + -Wa,-m*) + case $host in + alpha*-*-*) + GMP_GCC_WA_MCPU($cc $cflags, $flag, , [continue]) + ;; + esac + ;; + -Wa,-oldas) + GMP_GCC_WA_OLDAS($cc $cflags $cppflags, + [cflags="$cflags $flag" + break], + [continue]) + ;; + esac + + GMP_PROG_CC_WORKS($cc $cflags $cppflags $flag, + [cflags="$cflags $flag" + break]) + done + done + fi + + ABI="$abi" + CC="$cc" + CFLAGS="$cflags" + CPPFLAGS="$cppflags" + + # Could easily have this in config.h too, if desired. + ABI_nodots=`echo $ABI | sed 's/\./_/'` + GMP_DEFINE_RAW("define_not_for_expansion(\`HAVE_ABI_$ABI_nodots')", POST) + + eval GMP_NONSTD_ABI=\"\$GMP_NONSTD_ABI_$ABI_nodots\" + + # GMP_LDFLAGS substitution, selected according to ABI. + # These are needed on libgmp.la and libmp.la, but currently not on + # convenience libraries like tune/libspeed.la or mpz/libmpz.la. + # + eval GMP_LDFLAGS=\"\$${ccbase}${abi1}_ldflags\" + test -n "$GMP_LDFLAGS" || eval GMP_LDFLAGS=\"\$${ccbase}${abi1}_ldflags\" + AC_SUBST(GMP_LDFLAGS) + AC_SUBST(LIBGMP_LDFLAGS) + AC_SUBST(LIBGMPXX_LDFLAGS) + + # extra_functions, selected according to ABI + eval tmp=\"\$extra_functions$abi1\" + test -n "$tmp" || eval tmp=\"\$extra_functions$abi2\" + extra_functions="$tmp" + + + # Cycle counter, selected according to ABI. + # + eval tmp=\"\$SPEED_CYCLECOUNTER_OBJ$abi1\" + test -n "$tmp" || eval tmp=\"\$SPEED_CYCLECOUNTER_OBJ$abi2\" + SPEED_CYCLECOUNTER_OBJ="$tmp" + eval tmp=\"\$cyclecounter_size$abi1\" + test -n "$tmp" || eval tmp=\"\$cyclecounter_size$abi2\" + cyclecounter_size="$tmp" + + if test -n "$SPEED_CYCLECOUNTER_OBJ"; then + AC_DEFINE_UNQUOTED(HAVE_SPEED_CYCLECOUNTER, $cyclecounter_size, + [Tune directory speed_cyclecounter, undef=none, 1=32bits, 2=64bits)]) + fi + AC_SUBST(SPEED_CYCLECOUNTER_OBJ) + + + # Calling conventions checking, selected according to ABI. + # + eval tmp=\"\$CALLING_CONVENTIONS_OBJS$abi1\" + test -n "$tmp" || eval tmp=\"\$CALLING_CONVENTIONS_OBJS$abi2\" + if test "$enable_assembly" = "yes"; then + CALLING_CONVENTIONS_OBJS="$tmp" + else + CALLING_CONVENTIONS_OBJS="" + fi + + if test -n "$CALLING_CONVENTIONS_OBJS"; then + AC_DEFINE(HAVE_CALLING_CONVENTIONS,1, + [Define to 1 if tests/libtests has calling conventions checking for the CPU]) + fi + AC_SUBST(CALLING_CONVENTIONS_OBJS) + +fi + + +# If the user gave an MPN_PATH, use that verbatim, otherwise choose +# according to the ABI and add "generic". +# +if test -n "$MPN_PATH"; then + path="$MPN_PATH" +else + eval tmp=\"\$path$abi1\" + test -n "$tmp" || eval tmp=\"\$path$abi2\" + path="$tmp generic" +fi + + +# Long long limb setup for gmp.h. +case $limb_chosen in +longlong) DEFN_LONG_LONG_LIMB="#define _LONG_LONG_LIMB 1" ;; +*) DEFN_LONG_LONG_LIMB="/* #undef _LONG_LONG_LIMB */" ;; +esac +AC_SUBST(DEFN_LONG_LONG_LIMB) + + +# The C compiler and preprocessor, put into ANSI mode if possible. +AC_PROG_CC +AC_PROG_CC_C99 +AC_PROG_CPP + +#if test "$ac_cv_prog_cc_c99" = no; then +# AC_MSG_ERROR([Cannot find a C99 capable compiler]) +#fi + +# The C compiler on the build system, and associated tests. +GMP_PROG_CC_FOR_BUILD +GMP_PROG_CPP_FOR_BUILD +GMP_PROG_EXEEXT_FOR_BUILD +GMP_C_FOR_BUILD_ANSI +GMP_CHECK_LIBM_FOR_BUILD + + +# How to assemble, used with CFLAGS etc, see mpn/Makeasm.am. +# Using the compiler is a lot easier than figuring out how to invoke the +# assembler directly. +# +test -n "$CCAS" || CCAS="$CC -c" +AC_SUBST(CCAS) + + +# The C++ compiler, if desired. +want_cxx=no +if test $enable_cxx != no; then + test_CXXFLAGS=${CXXFLAGS+set} + AC_PROG_CXX + + echo "CXXFLAGS chosen by autoconf: $CXXFLAGS" >&AC_FD_CC + cxxflags_ac_prog_cxx=$CXXFLAGS + cxxflags_list=ac_prog_cxx + + # If the user didn't specify $CXXFLAGS, then try $CFLAGS, with -g removed + # if AC_PROG_CXX thinks that doesn't work. $CFLAGS stands a good chance + # of working, eg. on a GNU system where CC=gcc and CXX=g++. + # + if test "$test_CXXFLAGS" != set; then + cxxflags_cflags=$CFLAGS + cxxflags_list="cflags $cxxflags_list" + if test "$ac_prog_cxx_g" = no; then + cxxflags_cflags=`echo "$cxxflags_cflags" | sed -e 's/ -g //' -e 's/^-g //' -e 's/ -g$//'` + fi + fi + + # See if the C++ compiler works. If the user specified CXXFLAGS then all + # we're doing is checking whether AC_PROG_CXX succeeded, since it doesn't + # give a fatal error, just leaves CXX set to a default g++. If on the + # other hand the user didn't specify CXXFLAGS then we get to try here our + # $cxxflags_list alternatives. + # + # Automake includes $CPPFLAGS in a C++ compile, so we do the same here. + # + for cxxflags_choice in $cxxflags_list; do + eval CXXFLAGS=\"\$cxxflags_$cxxflags_choice\" + GMP_PROG_CXX_WORKS($CXX $CPPFLAGS $CXXFLAGS, + [want_cxx=yes + break]) + done + + # If --enable-cxx=yes but a C++ compiler can't be found, then abort. + if test $want_cxx = no && test $enable_cxx = yes; then + AC_MSG_ERROR([C++ compiler not available, see config.log for details]) + fi +fi + +AM_CONDITIONAL(WANT_CXX, test $want_cxx = yes) + +# FIXME: We're not interested in CXXCPP for ourselves, but if we don't do it +# here then AC_PROG_LIBTOOL will AC_REQUIRE it (via _LT_AC_TAGCONFIG) and +# hence execute it unconditionally, and that will fail if there's no C++ +# compiler (and no generic /lib/cpp). +# +if test $want_cxx = yes; then + AC_PROG_CXXCPP +fi + + +# Path setups for Cray, according to IEEE or CFP. These must come after +# deciding the compiler. +# +GMP_CRAY_OPTIONS( + [add_path="cray/ieee"], + [add_path="cray/cfp"; extra_functions="mulwwc90"], + [add_path="cray/cfp"; extra_functions="mulwwj90"]) + + +if test -z "$MPN_PATH"; then + path="$add_path $path" +fi + +# For a nail build, also look in "nails" subdirectories. +# +if test $GMP_NAIL_BITS != 0 && test -z "$MPN_PATH"; then + new_path= + for i in $path; do + case $i in + generic) new_path="$new_path $i" ;; + *) new_path="$new_path $i/nails $i" ;; + esac + done + path=$new_path +fi + + +# Put all directories into CPUVEC_list so as to get a full set of +# CPUVEC_SETUP_$tmp_suffix defines into config.h, even if some of them are +# empty because mmx and/or sse2 had to be dropped. +# +for i in $fat_path; do + GMP_FAT_SUFFIX(tmp_suffix, $i) + CPUVEC_list="$CPUVEC_list CPUVEC_SETUP_$tmp_suffix" +done + + +# If there's any sse2 or mmx in the path, check whether the assembler +# supports it, and remove if not. +# +# We only need this in ABI=32, for ABI=64 on x86_64 we can assume a new +# enough assembler. +# +case $host in + X86_PATTERN | X86_64_PATTERN) + if test "$ABI" = 32; then + case "$path $fat_path" in + *mmx*) GMP_ASM_X86_MMX( , [GMP_STRIP_PATH(*mmx*)]) ;; + esac + case "$path $fat_path" in + *sse2*) GMP_ASM_X86_SSE2( , [GMP_STRIP_PATH(sse2)]) ;; + esac + fi + ;; +esac + + +if test "$enable_assembly" = "no"; then + path="generic" + AC_DEFINE([NO_ASM],1,[Define to 1 to disable the use of inline assembly]) +# for abi in $abilist; do +# eval unset "path_\$abi" +# eval gcc_${abi}_cflags=\"\$gcc_${abi}_cflags -DNO_ASM\" +# done +fi + + +cat >&AC_FD_CC <<EOF +Decided: +ABI=$ABI +CC=$CC +CFLAGS=$CFLAGS +CPPFLAGS=$CPPFLAGS +GMP_LDFLAGS=$GMP_LDFLAGS +CXX=$CXX +CXXFLAGS=$CXXFLAGS +path=$path +EOF +echo "using ABI=\"$ABI\"" +echo " CC=\"$CC\"" +echo " CFLAGS=\"$CFLAGS\"" +echo " CPPFLAGS=\"$CPPFLAGS\"" +if test $want_cxx = yes; then + echo " CXX=\"$CXX\"" + echo " CXXFLAGS=\"$CXXFLAGS\"" +fi +echo " MPN_PATH=\"$path\"" + + +CL_AS_NOEXECSTACK + +GMP_PROG_AR +GMP_PROG_NM + +case $host in + # FIXME: On AIX 3 and 4, $libname.a is included in libtool + # $library_names_spec, so libgmp.a becomes a symlink to libgmp.so, making + # it impossible to build shared and static libraries simultaneously. + # Disable shared libraries by default, but let the user override with + # --enable-shared --disable-static. + # + # FIXME: This $libname.a problem looks like it might apply to *-*-amigaos* + # and *-*-os2* too, but wait for someone to test this before worrying + # about it. If there is a problem then of course libtool is the right + # place to fix it. + # + [*-*-aix[34]*]) + if test -z "$enable_shared"; then enable_shared=no; fi ;; +esac + + +# Configs for Windows DLLs. + +AC_LIBTOOL_WIN32_DLL + +AC_SUBST(LIBGMP_DLL,0) +case $host in + *-*-cygwin* | *-*-mingw* | *-*-msys | *-*-pw32* | *-*-os2*) + # By default, build only static. + if test -z "$enable_shared"; then + enable_shared=no + fi + # Don't allow both static and DLL. + if test "$enable_shared" != no && test "$enable_static" != no; then + AC_MSG_ERROR([cannot build both static and DLL, since gmp.h is different for each. +Use "--disable-static --enable-shared" to build just a DLL.]) + fi + + # "-no-undefined" is required when building a DLL, see documentation on + # AC_LIBTOOL_WIN32_DLL. + # + # "-Wl,--export-all-symbols" is a bit of a hack, it gets all libgmp and + # libgmpxx functions and variables exported. This is what libtool did + # in the past, and it's convenient for us in the test programs. + # + # Maybe it'd be prudent to check for --export-all-symbols before using + # it, but it seems to have been in ld since at least 2000, and there's + # not really any alternative we want to take up at the moment. + # + # "-Wl,output-def" is used to get a .def file for use by MS lib to make + # a .lib import library, described in the manual. libgmp-3.dll.def + # corresponds to the libmp-3.dll.def generated by libtool (as a result + # of -export-symbols on that library). + # + # Incidentally, libtool does generate an import library libgmp.dll.a, + # but it's "ar" format and cannot be used by the MS linker. There + # doesn't seem to be any GNU tool for generating or converting to .lib. + # + # FIXME: The .def files produced by -Wl,output-def include isascii, + # iscsym, iscsymf and toascii, apparently because mingw ctype.h doesn't + # inline isascii (used in gmp). It gives an extern inline for + # __isascii, but for some reason not the plain isascii. + # + if test "$enable_shared" = yes; then + GMP_LDFLAGS="$GMP_LDFLAGS -no-undefined -Wl,--export-all-symbols" + LIBGMP_LDFLAGS="$LIBGMP_LDFLAGS -Wl,--output-def,.libs/libgmp-3.dll.def" + LIBGMPXX_LDFLAGS="$LIBGMP_LDFLAGS -Wl,--output-def,.libs/libgmpxx-3.dll.def" + LIBGMP_DLL=1 + fi + ;; +esac + + +# Ensure that $CONFIG_SHELL is available for AC_LIBTOOL_SYS_MAX_CMD_LEN. +# It's often set already by _LT_AC_PROG_ECHO_BACKSLASH or +# _AS_LINENO_PREPARE, but not always. +# +# The symptom of CONFIG_SHELL unset is some "expr" errors during the test, +# and an empty result. This only happens when invoked as "sh configure", +# ie. no path, and can be seen for instance on ia64-*-hpux*. +# +# FIXME: Newer libtool should have it's own fix for this. +# +if test -z "$CONFIG_SHELL"; then + CONFIG_SHELL=$SHELL +fi + +# Enable CXX in libtool only if we want it, and never enable GCJ, nor RC on +# mingw and cygwin. Under --disable-cxx this avoids some error messages +# from libtool arising from the fact we didn't actually run AC_PROG_CXX. +# Notice that any user-supplied --with-tags setting takes precedence. +# +# FIXME: Is this the right way to get this effect? Very possibly not, but +# the current _LT_AC_TAGCONFIG doesn't really suggest an alternative. +# +if test "${with_tags+set}" != set; then + if test $want_cxx = yes; then + with_tags=CXX + else + with_tags= + fi +fi + +# The dead hand of AC_REQUIRE makes AC_PROG_LIBTOOL expand and execute +# AC_PROG_F77, even when F77 is not in the selected with_tags. This is +# probably harmless, but it's unsightly and bloats our configure, so pretend +# AC_PROG_F77 has been expanded already. +# +# FIXME: Rumour has it libtool will one day provide a way for a configure.in +# to say what it wants from among supported languages etc. +# +#AC_PROVIDE([AC_PROG_F77]) + +AC_PROG_LIBTOOL + +# Generate an error here if attempting to build both shared and static when +# $libname.a is in $library_names_spec (as mentioned above), rather than +# wait for ar or ld to fail. +# +if test "$enable_shared" = yes && test "$enable_static" = yes; then + case $library_names_spec in + *libname.a*) + AC_MSG_ERROR([cannot create both shared and static libraries on this system, --disable one of the two]) + ;; + esac +fi + +AM_CONDITIONAL(ENABLE_STATIC, test "$enable_static" = yes) + + +# Many of these library and header checks are for the benefit of +# supplementary programs. libgmp doesn't use anything too weird. + +AC_HEADER_STDC +AC_HEADER_TIME + +# Reasons for testing: +# float.h - not in SunOS bundled cc +# invent.h - IRIX specific +# langinfo.h - X/Open standard only, not in djgpp for instance +# locale.h - old systems won't have this +# nl_types.h - X/Open standard only, not in djgpp for instance +# (usually langinfo.h gives nl_item etc, but not on netbsd 1.4.1) +# sys/attributes.h - IRIX specific +# sys/iograph.h - IRIX specific +# sys/mman.h - not in Cray Unicos +# sys/param.h - not in mingw +# sys/processor.h - solaris specific, though also present in macos +# sys/pstat.h - HPUX specific +# sys/resource.h - not in mingw +# sys/sysctl.h - not in mingw +# sys/sysinfo.h - OSF specific +# sys/syssgi.h - IRIX specific +# sys/systemcfg.h - AIX specific +# sys/time.h - autoconf suggests testing, don't know anywhere without it +# sys/times.h - not in mingw +# machine/hal_sysinfo.h - OSF specific +# +# inttypes.h, stdint.h, unistd.h and sys/types.h are already in the autoconf +# default tests +# +AC_CHECK_HEADERS(fcntl.h float.h invent.h langinfo.h locale.h nl_types.h sys/attributes.h sys/iograph.h sys/mman.h sys/param.h sys/processor.h sys/pstat.h sys/sysinfo.h sys/syssgi.h sys/systemcfg.h sys/time.h sys/times.h) + +# On SunOS, sys/resource.h needs sys/time.h (for struct timeval) +AC_CHECK_HEADERS(sys/resource.h,,, +[#if TIME_WITH_SYS_TIME +# include <sys/time.h> +# include <time.h> +#else +# if HAVE_SYS_TIME_H +# include <sys/time.h> +# else +# include <time.h> +# endif +#endif]) + +# On NetBSD and OpenBSD, sys/sysctl.h needs sys/param.h for various constants +AC_CHECK_HEADERS(sys/sysctl.h,,, +[#if HAVE_SYS_PARAM_H +# include <sys/param.h> +#endif]) + +# On OSF 4.0, <machine/hal_sysinfo.h> must have <sys/sysinfo.h> for ulong_t +AC_CHECK_HEADERS(machine/hal_sysinfo.h,,, +[#if HAVE_SYS_SYSINFO_H +# include <sys/sysinfo.h> +#endif]) + +# Reasons for testing: +# optarg - not declared in mingw +# fgetc, fscanf, ungetc, vfprintf - not declared in SunOS 4 +# sys_errlist, sys_nerr - not declared in SunOS 4 +# +# optarg should be in unistd.h and the rest in stdio.h, both of which are +# in the autoconf default includes. +# +# sys_errlist and sys_nerr are supposed to be in <errno.h> on SunOS according +# to the man page (but aren't), in glibc they're in stdio.h. +# +AC_CHECK_DECLS([fgetc, fscanf, optarg, ungetc, vfprintf]) +AC_CHECK_DECLS([sys_errlist, sys_nerr], , , +[#include <stdio.h> +#include <errno.h>]) + +AC_TYPE_SIGNAL + +# Reasons for testing: +# intmax_t - C99 +# long double - not in the HP bundled K&R cc +# long long - only in reasonably recent compilers +# ptrdiff_t - seems to be everywhere, maybe don't need to check this +# quad_t - BSD specific +# uint_least32_t - C99 +# +# the default includes are sufficient for all these types +# +AC_CHECK_TYPES([intmax_t, long double, long long, ptrdiff_t, quad_t, + uint_least32_t, intptr_t]) + +# FIXME: Really want #ifndef __cplusplus around the #define volatile +# replacement autoconf gives, since volatile is always available in C++. +# But we don't use it in C++ currently. +AC_C_VOLATILE + +AC_C_RESTRICT + +# GMP_C_STDARG +GMP_C_ATTRIBUTE_CONST +GMP_C_ATTRIBUTE_MALLOC +GMP_C_ATTRIBUTE_MODE +GMP_C_ATTRIBUTE_NORETURN +GMP_C_HIDDEN_ALIAS + +GMP_H_EXTERN_INLINE + +# from libtool +AC_CHECK_LIBM +AC_SUBST(LIBM) + +GMP_FUNC_ALLOCA +GMP_OPTION_ALLOCA + +GMP_H_HAVE_FILE + +AC_C_BIGENDIAN( + [AC_DEFINE(HAVE_LIMB_BIG_ENDIAN, 1) + GMP_DEFINE_RAW("define_not_for_expansion(\`HAVE_LIMB_BIG_ENDIAN')", POST)], + [AC_DEFINE(HAVE_LIMB_LITTLE_ENDIAN, 1) + GMP_DEFINE_RAW("define_not_for_expansion(\`HAVE_LIMB_LITTLE_ENDIAN')", POST) + ], [:]) +AH_VERBATIM([HAVE_LIMB], +[/* Define one of these to 1 for the endianness of `mp_limb_t'. + If the endianness is not a simple big or little, or you don't know what + it is, then leave both undefined. */ +#undef HAVE_LIMB_BIG_ENDIAN +#undef HAVE_LIMB_LITTLE_ENDIAN]) + +GMP_C_DOUBLE_FORMAT + + +# Reasons for testing: +# alarm - not in mingw +# attr_get - IRIX specific +# clock_gettime - not in glibc 2.2.4, only very recent systems +# cputime - not in glibc +# getsysinfo - OSF specific +# getrusage - not in mingw +# gettimeofday - not in mingw +# mmap - not in mingw, djgpp +# nl_langinfo - X/Open standard only, not in djgpp for instance +# obstack_vprintf - glibc specific +# processor_info - solaris specific +# pstat_getprocessor - HPUX specific (10.x and up) +# raise - an ANSI-ism, though probably almost universal by now +# read_real_time - AIX specific +# sigaction - not in mingw +# sigaltstack - not in mingw, or old AIX (reputedly) +# sigstack - not in mingw +# strerror - not in SunOS +# strnlen - glibc extension (some other systems too) +# syssgi - IRIX specific +# times - not in mingw +# +# AC_FUNC_STRNLEN is not used because we don't want the AC_LIBOBJ +# replacement setups it gives. It detects a faulty strnlen on AIX, but +# missing out on that test is ok since our only use of strnlen is in +# __gmp_replacement_vsnprintf which is not required on AIX since it has a +# vsnprintf. +# +AC_CHECK_FUNCS(alarm attr_get clock cputime getpagesize getrusage gettimeofday getsysinfo localeconv memset mmap mprotect nl_langinfo obstack_vprintf popen processor_info pstat_getprocessor raise read_real_time sigaction sigaltstack sigstack syssgi strchr strerror strnlen strtol strtoul sysconf sysctl sysctlbyname times) + +# clock_gettime is in librt on *-*-osf5.1 and on glibc, so att -lrt to +# TUNE_LIBS if needed. On linux (tested on x86_32, 2.6.26), +# clock_getres reports ns accuracy, while in a quick test on osf +# clock_getres said only 1 millisecond. + +old_LIBS="$LIBS" +AC_SEARCH_LIBS(clock_gettime, rt, [ + AC_DEFINE([HAVE_CLOCK_GETTIME],1,[Define to 1 if you have the `clock_gettime' function])]) +TUNE_LIBS="$LIBS" +LIBS="$old_LIBS" + +AC_SUBST(TUNE_LIBS) + +GMP_FUNC_VSNPRINTF +GMP_FUNC_SSCANF_WRITABLE_INPUT + +# Reasons for checking: +# pst_processor psp_iticksperclktick - not in hpux 9 +# +AC_CHECK_MEMBER(struct pst_processor.psp_iticksperclktick, + [AC_DEFINE(HAVE_PSP_ITICKSPERCLKTICK, 1, +[Define to 1 if <sys/pstat.h> `struct pst_processor' exists +and contains `psp_iticksperclktick'.])],, + [#include <sys/pstat.h>]) + +# C++ tests, when required +# +if test $enable_cxx = yes; then + AC_LANG_PUSH(C++) + + # Reasons for testing: + # <sstream> - not in g++ 2.95.2 + # std::locale - not in g++ 2.95.4 + # + AC_CHECK_HEADERS([sstream]) + AC_CHECK_TYPES([std::locale],,,[#include <locale>]) + + AC_LANG_POP(C++) +fi + + +# Pick the correct source files in $path and link them to mpn/. +# $gmp_mpn_functions lists all functions we need. +# +# The rule is to find a file with the function name and a .asm, .S, +# .s, or .c extension. Certain multi-function files with special names +# can provide some functions too. (mpn/Makefile.am passes +# -DOPERATION_<func> to get them to generate the right code.) + +# Note: $gmp_mpn_functions must have mod_1 before pre_mod_1 so the former +# can optionally provide the latter as an extra entrypoint. Likewise +# divrem_1 and pre_divrem_1. + +gmp_mpn_functions_optional="umul udiv \ + invert_limb sqr_diagonal sqr_diag_addlsh1 \ + mul_2 mul_3 mul_4 mul_5 mul_6 \ + addmul_2 addmul_3 addmul_4 addmul_5 addmul_6 addmul_7 addmul_8 \ + addlsh1_n sublsh1_n rsblsh1_n rsh1add_n rsh1sub_n \ + addlsh2_n sublsh2_n rsblsh2_n \ + addlsh_n sublsh_n rsblsh_n \ + add_n_sub_n addaddmul_1msb0" + +gmp_mpn_functions="$extra_functions \ + add add_1 add_n sub sub_1 sub_n cnd_add_n cnd_sub_n cnd_swap neg com \ + mul_1 addmul_1 submul_1 \ + add_err1_n add_err2_n add_err3_n sub_err1_n sub_err2_n sub_err3_n \ + lshift rshift dive_1 diveby3 divis divrem divrem_1 divrem_2 \ + fib2_ui fib2m mod_1 mod_34lsub1 mode1o pre_divrem_1 pre_mod_1 dump \ + mod_1_1 mod_1_2 mod_1_3 mod_1_4 lshiftc \ + mul mul_fft mul_n sqr mul_basecase sqr_basecase nussbaumer_mul \ + mulmid_basecase toom42_mulmid mulmid_n mulmid \ + random random2 pow_1 \ + rootrem sqrtrem sizeinbase get_str set_str compute_powtab \ + scan0 scan1 popcount hamdist cmp zero_p \ + perfsqr perfpow strongfibo \ + gcd_11 gcd_22 gcd_1 gcd gcdext_1 gcdext gcd_subdiv_step \ + gcdext_lehmer \ + div_q tdiv_qr jacbase jacobi_2 jacobi get_d \ + matrix22_mul matrix22_mul1_inverse_vector \ + hgcd_matrix hgcd2 hgcd_step hgcd_reduce hgcd hgcd_appr \ + hgcd2_jacobi hgcd_jacobi \ + mullo_n mullo_basecase sqrlo sqrlo_basecase \ + toom22_mul toom32_mul toom42_mul toom52_mul toom62_mul \ + toom33_mul toom43_mul toom53_mul toom54_mul toom63_mul \ + toom44_mul \ + toom6h_mul toom6_sqr toom8h_mul toom8_sqr \ + toom_couple_handling \ + toom2_sqr toom3_sqr toom4_sqr \ + toom_eval_dgr3_pm1 toom_eval_dgr3_pm2 \ + toom_eval_pm1 toom_eval_pm2 toom_eval_pm2exp toom_eval_pm2rexp \ + toom_interpolate_5pts toom_interpolate_6pts toom_interpolate_7pts \ + toom_interpolate_8pts toom_interpolate_12pts toom_interpolate_16pts \ + invertappr invert binvert mulmod_bnm1 sqrmod_bnm1 mulmod_bknp1 \ + div_qr_1 div_qr_1n_pi1 \ + div_qr_2 div_qr_2n_pi1 div_qr_2u_pi1 \ + sbpi1_div_q sbpi1_div_qr sbpi1_divappr_q \ + dcpi1_div_q dcpi1_div_qr dcpi1_divappr_q \ + mu_div_qr mu_divappr_q mu_div_q \ + bdiv_q_1 \ + sbpi1_bdiv_q sbpi1_bdiv_qr sbpi1_bdiv_r \ + dcpi1_bdiv_q dcpi1_bdiv_qr \ + mu_bdiv_q mu_bdiv_qr \ + bdiv_q bdiv_qr broot brootinv bsqrt bsqrtinv \ + divexact bdiv_dbm1c redc_1 redc_2 redc_n powm powlo sec_powm \ + sec_mul sec_sqr sec_div_qr sec_div_r sec_pi1_div_qr sec_pi1_div_r \ + sec_add_1 sec_sub_1 sec_invert \ + trialdiv remove \ + and_n andn_n nand_n ior_n iorn_n nior_n xor_n xnor_n \ + copyi copyd zero sec_tabselect \ + comb_tables \ + $gmp_mpn_functions_optional" + +define(GMP_MULFUNC_CHOICES, +[# functions that can be provided by multi-function files +tmp_mulfunc= +case $tmp_fn in + add_n|sub_n) tmp_mulfunc="aors_n" ;; + add_err1_n|sub_err1_n) + tmp_mulfunc="aors_err1_n" ;; + add_err2_n|sub_err2_n) + tmp_mulfunc="aors_err2_n" ;; + add_err3_n|sub_err3_n) + tmp_mulfunc="aors_err3_n" ;; + cnd_add_n|cnd_sub_n) tmp_mulfunc="cnd_aors_n" ;; + sec_add_1|sec_sub_1) tmp_mulfunc="sec_aors_1" ;; + addmul_1|submul_1) tmp_mulfunc="aorsmul_1" ;; + mul_2|addmul_2) tmp_mulfunc="aormul_2" ;; + mul_3|addmul_3) tmp_mulfunc="aormul_3" ;; + mul_4|addmul_4) tmp_mulfunc="aormul_4" ;; + popcount|hamdist) tmp_mulfunc="popham" ;; + and_n|andn_n|nand_n | ior_n|iorn_n|nior_n | xor_n|xnor_n) + tmp_mulfunc="logops_n" ;; + lshift|rshift) tmp_mulfunc="lorrshift";; + addlsh1_n) + tmp_mulfunc="aorslsh1_n aorrlsh1_n aorsorrlsh1_n";; + sublsh1_n) + tmp_mulfunc="aorslsh1_n sorrlsh1_n aorsorrlsh1_n";; + rsblsh1_n) + tmp_mulfunc="aorrlsh1_n sorrlsh1_n aorsorrlsh1_n";; + addlsh2_n) + tmp_mulfunc="aorslsh2_n aorrlsh2_n aorsorrlsh2_n";; + sublsh2_n) + tmp_mulfunc="aorslsh2_n sorrlsh2_n aorsorrlsh2_n";; + rsblsh2_n) + tmp_mulfunc="aorrlsh2_n sorrlsh2_n aorsorrlsh2_n";; + addlsh_n) + tmp_mulfunc="aorslsh_n aorrlsh_n aorsorrlsh_n";; + sublsh_n) + tmp_mulfunc="aorslsh_n sorrlsh_n aorsorrlsh_n";; + rsblsh_n) + tmp_mulfunc="aorrlsh_n sorrlsh_n aorsorrlsh_n";; + rsh1add_n|rsh1sub_n) + tmp_mulfunc="rsh1aors_n";; + sec_div_qr|sec_div_r) + tmp_mulfunc="sec_div";; + sec_pi1_div_qr|sec_pi1_div_r) + tmp_mulfunc="sec_pi1_div";; +esac +]) + +# the list of all object files used by mpn/Makefile.in and the +# top-level Makefile.in, respectively +mpn_objects= +mpn_objs_in_libgmp= + +# links from the sources, to be removed by "make distclean" +gmp_srclinks= + + +# mpn_relative_top_srcdir is $top_srcdir, but for use from within the mpn +# build directory. If $srcdir is relative then we use a relative path too, +# so the two trees can be moved together. +case $srcdir in + [[\\/]* | ?:[\\/]*]) # absolute, as per autoconf + mpn_relative_top_srcdir=$srcdir ;; + *) # relative + mpn_relative_top_srcdir=../$srcdir ;; +esac + + +define(MPN_SUFFIXES,[asm S s c]) + +dnl Usage: GMP_FILE_TO_FUNCTION_BASE(func,file) +dnl +dnl Set $func to the function base name for $file, eg. dive_1 gives +dnl divexact_1. +dnl +define(GMP_FILE_TO_FUNCTION, +[case $$2 in + dive_1) $1=divexact_1 ;; + diveby3) $1=divexact_by3c ;; + pre_divrem_1) $1=preinv_divrem_1 ;; + mode1o) $1=modexact_1c_odd ;; + pre_mod_1) $1=preinv_mod_1 ;; + mod_1_1) $1=mod_1_1p ;; + mod_1_1_cps) $1=mod_1_1p_cps ;; + mod_1_2) $1=mod_1s_2p ;; + mod_1_2_cps) $1=mod_1s_2p_cps ;; + mod_1_3) $1=mod_1s_3p ;; + mod_1_3_cps) $1=mod_1s_3p_cps ;; + mod_1_4) $1=mod_1s_4p ;; + mod_1_4_cps) $1=mod_1s_4p_cps ;; + *) $1=$$2 ;; +esac +]) + +# Fat binary setups. +# +# We proceed through each $fat_path directory, and look for $fat_function +# routines there. Those found are incorporated in the build by generating a +# little mpn/<foo>.asm or mpn/<foo>.c file in the build directory, with +# suitable function renaming, and adding that to $mpn_objects (the same as a +# normal mpn file). +# +# fat.h is generated with macros to let internal calls to each $fat_function +# go directly through __gmpn_cpuvec, plus macros and declarations helping to +# setup that structure, on a per-directory basis ready for +# mpn/<cpu>/fat/fat.c. +# +# fat.h includes thresholds listed in $fat_thresholds, extracted from +# gmp-mparam.h in each directory. An overall maximum for each threshold is +# established, for use in making fixed size arrays of temporary space. +# (Eg. MUL_TOOM33_THRESHOLD_LIMIT used by mpn/generic/mul.c.) +# +# It'd be possible to do some of this manually, but when there's more than a +# few functions and a few directories it becomes very tedious, and very +# prone to having some routine accidentally omitted. On that basis it seems +# best to automate as much as possible, even if the code to do so is a bit +# ugly. +# + +if test -n "$fat_path"; then + # Usually the mpn build directory is created with mpn/Makefile + # instantiation, but we want to write to it sooner. + mkdir mpn 2>/dev/null + + echo "/* fat.h - setups for fat binaries." >fat.h + echo " Generated by configure - DO NOT EDIT. */" >>fat.h + + AC_DEFINE(WANT_FAT_BINARY, 1, [Define to 1 when building a fat binary.]) + GMP_DEFINE(WANT_FAT_BINARY, yes) + + # Don't want normal copies of fat functions + for tmp_fn in $fat_functions; do + GMP_REMOVE_FROM_LIST(gmp_mpn_functions, $tmp_fn) + GMP_REMOVE_FROM_LIST(gmp_mpn_functions_optional, $tmp_fn) + done + + for tmp_fn in $fat_functions; do + GMP_FILE_TO_FUNCTION(tmp_fbase,tmp_fn) + echo " +#ifndef OPERATION_$tmp_fn +#undef mpn_$tmp_fbase +#define mpn_$tmp_fbase (*__gmpn_cpuvec.$tmp_fbase) +#endif +DECL_$tmp_fbase (__MPN(${tmp_fbase}_init));" >>fat.h + # encourage various macros to use fat functions + AC_DEFINE_UNQUOTED(HAVE_NATIVE_mpn_$tmp_fbase) + done + + echo "" >>fat.h + echo "/* variable thresholds */" >>fat.h + for tmp_tn in $fat_thresholds; do + echo "#undef $tmp_tn" >>fat.h + echo "#define $tmp_tn CPUVEC_THRESHOLD (`echo $tmp_tn | tr [A-Z] [a-z]`)" >>fat.h + done + + echo " +/* Copy all fields into __gmpn_cpuvec. + memcpy is not used because it might operate byte-wise (depending on its + implementation), and we need the function pointer writes to be atomic. + "volatile" discourages the compiler from trying to optimize this. */ +#define CPUVEC_INSTALL(vec) \\ + do { \\ + volatile struct cpuvec_t *p = &__gmpn_cpuvec; \\" >>fat.h + for tmp_fn in $fat_functions; do + GMP_FILE_TO_FUNCTION(tmp_fbase,tmp_fn) + echo " p->$tmp_fbase = vec.$tmp_fbase; \\" >>fat.h + done + for tmp_tn in $fat_thresholds; do + tmp_field_name=`echo $tmp_tn | tr [[A-Z]] [[a-z]]` + echo " p->$tmp_field_name = vec.$tmp_field_name; \\" >>fat.h + done + echo " } while (0)" >>fat.h + + echo " +/* A helper to check all fields are filled. */ +#define ASSERT_CPUVEC(vec) \\ + do { \\" >>fat.h + for tmp_fn in $fat_functions; do + GMP_FILE_TO_FUNCTION(tmp_fbase,tmp_fn) + echo " ASSERT (vec.$tmp_fbase != NULL); \\" >>fat.h + done + for tmp_tn in $fat_thresholds; do + tmp_field_name=`echo $tmp_tn | tr [[A-Z]] [[a-z]]` + echo " ASSERT (vec.$tmp_field_name != 0); \\" >>fat.h + done + echo " } while (0)" >>fat.h + + echo " +/* Call ITERATE(field) for each fat threshold field. */ +#define ITERATE_FAT_THRESHOLDS() \\ + do { \\" >>fat.h + for tmp_tn in $fat_thresholds; do + tmp_field_name=`echo $tmp_tn | tr [[A-Z]] [[a-z]]` + echo " ITERATE ($tmp_tn, $tmp_field_name); \\" >>fat.h + done + echo " } while (0)" >>fat.h + + for tmp_dir in $fat_path; do + CPUVEC_SETUP= + THRESH_ASM_SETUP= + echo "" >>fat.h + GMP_FAT_SUFFIX(tmp_suffix, $tmp_dir) + + # In order to keep names unique on a DOS 8.3 filesystem, use a prefix + # (rather than a suffix) for the generated file names, and abbreviate. + case $tmp_suffix in + pentium) tmp_prefix=p ;; + pentium_mmx) tmp_prefix=pm ;; + p6_mmx) tmp_prefix=p2 ;; + p6_p3mmx) tmp_prefix=p3 ;; + pentium4) tmp_prefix=p4 ;; + pentium4_mmx) tmp_prefix=p4m ;; + pentium4_sse2) tmp_prefix=p4s ;; + k6_mmx) tmp_prefix=k6m ;; + k6_k62mmx) tmp_prefix=k62 ;; + k7_mmx) tmp_prefix=k7m ;; + *) tmp_prefix=$tmp_suffix ;; + esac + + # Extract desired thresholds from gmp-mparam.h file in this directory, + # if present. + tmp_mparam=$srcdir/mpn/$tmp_dir/gmp-mparam.h + if test -f $tmp_mparam; then + for tmp_tn in $fat_thresholds; do + tmp_thresh=`sed -n "s/^#define $tmp_tn[ ]*\\([0-9][0-9]*\\).*$/\\1/p" $tmp_mparam` + if test -n "$tmp_thresh"; then + THRESH_ASM_SETUP=["${THRESH_ASM_SETUP}define($tmp_tn,$tmp_thresh) +"] + CPUVEC_SETUP="$CPUVEC_SETUP decided_cpuvec.`echo $tmp_tn | tr [[A-Z]] [[a-z]]` = $tmp_thresh; \\ +" + eval tmp_limit=\$${tmp_tn}_LIMIT + if test -z "$tmp_limit"; then + tmp_limit=0 + fi + if test $tmp_thresh -gt $tmp_limit; then + eval ${tmp_tn}_LIMIT=$tmp_thresh + fi + fi + done + fi + + for tmp_fn in $fat_functions; do + GMP_MULFUNC_CHOICES + + for tmp_base in $tmp_fn $tmp_mulfunc; do + for tmp_ext in MPN_SUFFIXES; do + tmp_file=$srcdir/mpn/$tmp_dir/$tmp_base.$tmp_ext + if test -f $tmp_file; then + + # If the host uses a non-standard ABI, check if tmp_file supports it + # + if test -n "$GMP_NONSTD_ABI" && test $tmp_ext != "c"; then + abi=[`sed -n 's/^[ ]*ABI_SUPPORT(\(.*\))/\1/p' $tmp_file `] + if echo "$abi" | grep -q "\\b${GMP_NONSTD_ABI}\\b"; then + true + else + continue + fi + fi + + mpn_objects="$mpn_objects ${tmp_prefix}_$tmp_fn.lo" + mpn_objs_in_libgmp="$mpn_objs_in_libgmp mpn/${tmp_prefix}_$tmp_fn.lo" + + GMP_FILE_TO_FUNCTION(tmp_fbase,tmp_fn) + + # carry-in variant, eg. divrem_1c or modexact_1c_odd + case $tmp_fbase in + *_1*) tmp_fbasec=`echo $tmp_fbase | sed 's/_1/_1c/'` ;; + *) tmp_fbasec=${tmp_fbase}c ;; + esac + + # Create a little file doing an include from srcdir. The + # OPERATION and renamings aren't all needed all the time, but + # they don't hurt if unused. + # + # FIXME: Should generate these via config.status commands. + # Would need them all in one AC_CONFIG_COMMANDS though, since + # that macro doesn't accept a set of separate commands generated + # by shell code. + # + case $tmp_ext in + asm) + # hide the d-n-l from autoconf's error checking + tmp_d_n_l=d""nl + echo ["$tmp_d_n_l mpn_$tmp_fbase - from $tmp_dir directory for fat binary. +$tmp_d_n_l Generated by configure - DO NOT EDIT. + +define(OPERATION_$tmp_fn) +define(__gmpn_$tmp_fbase, __gmpn_${tmp_fbase}_$tmp_suffix) +define(__gmpn_$tmp_fbasec,__gmpn_${tmp_fbasec}_${tmp_suffix}) +define(__gmpn_preinv_${tmp_fbase},__gmpn_preinv_${tmp_fbase}_${tmp_suffix}) +define(__gmpn_${tmp_fbase}_cps,__gmpn_${tmp_fbase}_cps_${tmp_suffix}) + +$tmp_d_n_l For k6 and k7 gcd_1 calling their corresponding mpn_modexact_1_odd +ifdef(\`__gmpn_modexact_1_odd',, +\`define(__gmpn_modexact_1_odd,__gmpn_modexact_1_odd_${tmp_suffix})') + +$THRESH_ASM_SETUP +include][($mpn_relative_top_srcdir/mpn/$tmp_dir/$tmp_base.asm) +"] >mpn/${tmp_prefix}_$tmp_fn.asm + ;; + c) + echo ["/* mpn_$tmp_fbase - from $tmp_dir directory for fat binary. + Generated by configure - DO NOT EDIT. */ + +#define OPERATION_$tmp_fn 1 +#define __gmpn_$tmp_fbase __gmpn_${tmp_fbase}_$tmp_suffix +#define __gmpn_$tmp_fbasec __gmpn_${tmp_fbasec}_${tmp_suffix} +#define __gmpn_preinv_${tmp_fbase} __gmpn_preinv_${tmp_fbase}_${tmp_suffix} +#define __gmpn_${tmp_fbase}_cps __gmpn_${tmp_fbase}_cps_${tmp_suffix} + +#include \"$mpn_relative_top_srcdir/mpn/$tmp_dir/$tmp_base.c\" +"] >mpn/${tmp_prefix}_$tmp_fn.c + ;; + esac + + # Prototype, and append to CPUVEC_SETUP for this directory. + echo "DECL_$tmp_fbase (__gmpn_${tmp_fbase}_$tmp_suffix);" >>fat.h + CPUVEC_SETUP="$CPUVEC_SETUP decided_cpuvec.$tmp_fbase = __gmpn_${tmp_fbase}_${tmp_suffix}; \\ +" + # Ditto for any preinv variant (preinv_divrem_1, preinv_mod_1). + if grep "^PROLOGUE(mpn_preinv_$tmp_fn)" $tmp_file >/dev/null; then + echo "DECL_preinv_$tmp_fbase (__gmpn_preinv_${tmp_fbase}_$tmp_suffix);" >>fat.h + CPUVEC_SETUP="$CPUVEC_SETUP decided_cpuvec.preinv_$tmp_fbase = __gmpn_preinv_${tmp_fbase}_${tmp_suffix}; \\ +" + fi + + # Ditto for any mod_1...cps variant + if grep "^PROLOGUE(mpn_${tmp_fbase}_cps)" $tmp_file >/dev/null; then + echo "DECL_${tmp_fbase}_cps (__gmpn_${tmp_fbase}_cps_$tmp_suffix);" >>fat.h + CPUVEC_SETUP="$CPUVEC_SETUP decided_cpuvec.${tmp_fbase}_cps = __gmpn_${tmp_fbase}_cps_${tmp_suffix}; \\ +" + fi + fi + done + done + done + + # Emit CPUVEC_SETUP for this directory + echo "" >>fat.h + echo "#define CPUVEC_SETUP_$tmp_suffix \\" >>fat.h + echo " do { \\" >>fat.h + echo "$CPUVEC_SETUP } while (0)" >>fat.h + done + + # Emit threshold limits + echo "" >>fat.h + for tmp_tn in $fat_thresholds; do + eval tmp_limit=\$${tmp_tn}_LIMIT + echo "#define ${tmp_tn}_LIMIT $tmp_limit" >>fat.h + done +fi + + +# Normal binary setups. +# + +for tmp_ext in MPN_SUFFIXES; do + eval found_$tmp_ext=no +done + +for tmp_fn in $gmp_mpn_functions; do + for tmp_ext in MPN_SUFFIXES; do + test "$no_create" = yes || rm -f mpn/$tmp_fn.$tmp_ext + done + + # mpn_preinv_divrem_1 might have been provided by divrem_1.asm, likewise + # mpn_preinv_mod_1 by mod_1.asm. + case $tmp_fn in + pre_divrem_1) + if test "$HAVE_NATIVE_mpn_preinv_divrem_1" = yes; then continue; fi ;; + pre_mod_1) + if test "$HAVE_NATIVE_mpn_preinv_mod_1" = yes; then continue; fi ;; + esac + + GMP_MULFUNC_CHOICES + + found=no + for tmp_dir in $path; do + for tmp_base in $tmp_fn $tmp_mulfunc; do + for tmp_ext in MPN_SUFFIXES; do + tmp_file=$srcdir/mpn/$tmp_dir/$tmp_base.$tmp_ext + if test -f $tmp_file; then + + # For a nails build, check if the file supports our nail bits. + # Generic code always supports all nails. + # + # FIXME: When a multi-function file is selected to provide one of + # the nails-neutral routines, like logops_n for and_n, the + # PROLOGUE grepping will create HAVE_NATIVE_mpn_<foo> defines for + # all functions in that file, even if they haven't all been + # nailified. Not sure what to do about this, it's only really a + # problem for logops_n, and it's not too terrible to insist those + # get nailified always. + # + if test $GMP_NAIL_BITS != 0 && test $tmp_dir != generic; then + case $tmp_fn in + and_n | ior_n | xor_n | andn_n | \ + copyi | copyd | \ + popcount | hamdist | \ + udiv | udiv_w_sdiv | umul | \ + cntlz | invert_limb) + # these operations are either unaffected by nails or defined + # to operate on full limbs + ;; + *) + nails=[`sed -n 's/^[ ]*NAILS_SUPPORT(\(.*\))/\1/p' $tmp_file `] + for n in $nails; do + case $n in + *-*) + n_start=`echo "$n" | sed -n 's/\(.*\)-.*/\1/p'` + n_end=`echo "$n" | sed -n 's/.*-\(.*\)/\1/p'` + ;; + *) + n_start=$n + n_end=$n + ;; + esac + if test $GMP_NAIL_BITS -ge $n_start && test $GMP_NAIL_BITS -le $n_end; then + found=yes + break + fi + done + if test $found != yes; then + continue + fi + ;; + esac + fi + + # If the host uses a non-standard ABI, check if tmp_file supports it + # + if test -n "$GMP_NONSTD_ABI" && test $tmp_ext != "c"; then + abi=[`sed -n 's/^[ ]*ABI_SUPPORT(\(.*\))/\1/p' $tmp_file `] + if echo "$abi" | grep -q "\\b${GMP_NONSTD_ABI}\\b"; then + true + else + continue + fi + fi + + found=yes + eval found_$tmp_ext=yes + + if test $tmp_ext = c; then + tmp_u='$U' + else + tmp_u= + fi + + mpn_objects="$mpn_objects $tmp_fn$tmp_u.lo" + mpn_objs_in_libgmp="$mpn_objs_in_libgmp mpn/$tmp_fn$tmp_u.lo" + AC_CONFIG_LINKS(mpn/$tmp_fn.$tmp_ext:mpn/$tmp_dir/$tmp_base.$tmp_ext) + gmp_srclinks="$gmp_srclinks mpn/$tmp_fn.$tmp_ext" + + # Duplicate AC_DEFINEs are harmless, so it doesn't matter + # that multi-function files get grepped here repeatedly. + # The PROLOGUE pattern excludes the optional second parameter. + gmp_ep=[` + sed -n 's/^[ ]*MULFUNC_PROLOGUE(\(.*\))/\1/p' $tmp_file ; + sed -n 's/^[ ]*PROLOGUE(\([^,]*\).*)/\1/p' $tmp_file + `] + for gmp_tmp in $gmp_ep; do + AC_DEFINE_UNQUOTED(HAVE_NATIVE_$gmp_tmp) + eval HAVE_NATIVE_$gmp_tmp=yes + done + + case $tmp_fn in + sqr_basecase) sqr_basecase_source=$tmp_file ;; + esac + + break + fi + done + if test $found = yes; then break ; fi + done + if test $found = yes; then break ; fi + done + + if test $found = no; then + for tmp_optional in $gmp_mpn_functions_optional; do + if test $tmp_optional = $tmp_fn; then + found=yes + fi + done + if test $found = no; then + AC_MSG_ERROR([no version of $tmp_fn found in path: $path]) + fi + fi +done + +# All cycle counters are .asm files currently +if test -n "$SPEED_CYCLECOUNTER_OBJ"; then + found_asm=yes +fi + +dnl The following list only needs to have templates for those defines which +dnl are going to be tested by the code, there's no need to have every +dnl possible mpn routine. + +AH_VERBATIM([HAVE_NATIVE], +[/* Define to 1 each of the following for which a native (ie. CPU specific) + implementation of the corresponding routine exists. */ +#undef HAVE_NATIVE_mpn_add_n +#undef HAVE_NATIVE_mpn_add_n_sub_n +#undef HAVE_NATIVE_mpn_add_nc +#undef HAVE_NATIVE_mpn_addaddmul_1msb0 +#undef HAVE_NATIVE_mpn_addlsh1_n +#undef HAVE_NATIVE_mpn_addlsh2_n +#undef HAVE_NATIVE_mpn_addlsh_n +#undef HAVE_NATIVE_mpn_addlsh1_nc +#undef HAVE_NATIVE_mpn_addlsh2_nc +#undef HAVE_NATIVE_mpn_addlsh_nc +#undef HAVE_NATIVE_mpn_addlsh1_n_ip1 +#undef HAVE_NATIVE_mpn_addlsh2_n_ip1 +#undef HAVE_NATIVE_mpn_addlsh_n_ip1 +#undef HAVE_NATIVE_mpn_addlsh1_nc_ip1 +#undef HAVE_NATIVE_mpn_addlsh2_nc_ip1 +#undef HAVE_NATIVE_mpn_addlsh_nc_ip1 +#undef HAVE_NATIVE_mpn_addlsh1_n_ip2 +#undef HAVE_NATIVE_mpn_addlsh2_n_ip2 +#undef HAVE_NATIVE_mpn_addlsh_n_ip2 +#undef HAVE_NATIVE_mpn_addlsh1_nc_ip2 +#undef HAVE_NATIVE_mpn_addlsh2_nc_ip2 +#undef HAVE_NATIVE_mpn_addlsh_nc_ip2 +#undef HAVE_NATIVE_mpn_addmul_1c +#undef HAVE_NATIVE_mpn_addmul_2 +#undef HAVE_NATIVE_mpn_addmul_3 +#undef HAVE_NATIVE_mpn_addmul_4 +#undef HAVE_NATIVE_mpn_addmul_5 +#undef HAVE_NATIVE_mpn_addmul_6 +#undef HAVE_NATIVE_mpn_addmul_7 +#undef HAVE_NATIVE_mpn_addmul_8 +#undef HAVE_NATIVE_mpn_addmul_2s +#undef HAVE_NATIVE_mpn_and_n +#undef HAVE_NATIVE_mpn_andn_n +#undef HAVE_NATIVE_mpn_bdiv_dbm1c +#undef HAVE_NATIVE_mpn_bdiv_q_1 +#undef HAVE_NATIVE_mpn_pi1_bdiv_q_1 +#undef HAVE_NATIVE_mpn_cnd_add_n +#undef HAVE_NATIVE_mpn_cnd_sub_n +#undef HAVE_NATIVE_mpn_com +#undef HAVE_NATIVE_mpn_copyd +#undef HAVE_NATIVE_mpn_copyi +#undef HAVE_NATIVE_mpn_div_qr_1n_pi1 +#undef HAVE_NATIVE_mpn_div_qr_2 +#undef HAVE_NATIVE_mpn_divexact_1 +#undef HAVE_NATIVE_mpn_divexact_by3c +#undef HAVE_NATIVE_mpn_divrem_1 +#undef HAVE_NATIVE_mpn_divrem_1c +#undef HAVE_NATIVE_mpn_divrem_2 +#undef HAVE_NATIVE_mpn_gcd_1 +#undef HAVE_NATIVE_mpn_gcd_11 +#undef HAVE_NATIVE_mpn_gcd_22 +#undef HAVE_NATIVE_mpn_hamdist +#undef HAVE_NATIVE_mpn_invert_limb +#undef HAVE_NATIVE_mpn_ior_n +#undef HAVE_NATIVE_mpn_iorn_n +#undef HAVE_NATIVE_mpn_lshift +#undef HAVE_NATIVE_mpn_lshiftc +#undef HAVE_NATIVE_mpn_lshsub_n +#undef HAVE_NATIVE_mpn_mod_1 +#undef HAVE_NATIVE_mpn_mod_1_1p +#undef HAVE_NATIVE_mpn_mod_1c +#undef HAVE_NATIVE_mpn_mod_1s_2p +#undef HAVE_NATIVE_mpn_mod_1s_4p +#undef HAVE_NATIVE_mpn_mod_34lsub1 +#undef HAVE_NATIVE_mpn_modexact_1_odd +#undef HAVE_NATIVE_mpn_modexact_1c_odd +#undef HAVE_NATIVE_mpn_mul_1 +#undef HAVE_NATIVE_mpn_mul_1c +#undef HAVE_NATIVE_mpn_mul_2 +#undef HAVE_NATIVE_mpn_mul_3 +#undef HAVE_NATIVE_mpn_mul_4 +#undef HAVE_NATIVE_mpn_mul_5 +#undef HAVE_NATIVE_mpn_mul_6 +#undef HAVE_NATIVE_mpn_mul_basecase +#undef HAVE_NATIVE_mpn_mullo_basecase +#undef HAVE_NATIVE_mpn_nand_n +#undef HAVE_NATIVE_mpn_nior_n +#undef HAVE_NATIVE_mpn_popcount +#undef HAVE_NATIVE_mpn_preinv_divrem_1 +#undef HAVE_NATIVE_mpn_preinv_mod_1 +#undef HAVE_NATIVE_mpn_redc_1 +#undef HAVE_NATIVE_mpn_redc_2 +#undef HAVE_NATIVE_mpn_rsblsh1_n +#undef HAVE_NATIVE_mpn_rsblsh2_n +#undef HAVE_NATIVE_mpn_rsblsh_n +#undef HAVE_NATIVE_mpn_rsblsh1_nc +#undef HAVE_NATIVE_mpn_rsblsh2_nc +#undef HAVE_NATIVE_mpn_rsblsh_nc +#undef HAVE_NATIVE_mpn_rsh1add_n +#undef HAVE_NATIVE_mpn_rsh1add_nc +#undef HAVE_NATIVE_mpn_rsh1sub_n +#undef HAVE_NATIVE_mpn_rsh1sub_nc +#undef HAVE_NATIVE_mpn_rshift +#undef HAVE_NATIVE_mpn_sbpi1_bdiv_r +#undef HAVE_NATIVE_mpn_sqr_basecase +#undef HAVE_NATIVE_mpn_sqr_diagonal +#undef HAVE_NATIVE_mpn_sqr_diag_addlsh1 +#undef HAVE_NATIVE_mpn_sub_n +#undef HAVE_NATIVE_mpn_sub_nc +#undef HAVE_NATIVE_mpn_sublsh1_n +#undef HAVE_NATIVE_mpn_sublsh2_n +#undef HAVE_NATIVE_mpn_sublsh_n +#undef HAVE_NATIVE_mpn_sublsh1_nc +#undef HAVE_NATIVE_mpn_sublsh2_nc +#undef HAVE_NATIVE_mpn_sublsh_nc +#undef HAVE_NATIVE_mpn_sublsh1_n_ip1 +#undef HAVE_NATIVE_mpn_sublsh2_n_ip1 +#undef HAVE_NATIVE_mpn_sublsh_n_ip1 +#undef HAVE_NATIVE_mpn_sublsh1_nc_ip1 +#undef HAVE_NATIVE_mpn_sublsh2_nc_ip1 +#undef HAVE_NATIVE_mpn_sublsh_nc_ip1 +#undef HAVE_NATIVE_mpn_submul_1c +#undef HAVE_NATIVE_mpn_tabselect +#undef HAVE_NATIVE_mpn_udiv_qrnnd +#undef HAVE_NATIVE_mpn_udiv_qrnnd_r +#undef HAVE_NATIVE_mpn_umul_ppmm +#undef HAVE_NATIVE_mpn_umul_ppmm_r +#undef HAVE_NATIVE_mpn_xor_n +#undef HAVE_NATIVE_mpn_xnor_n]) + + +# Don't demand an m4 unless it's actually needed. +if test $found_asm = yes; then + GMP_PROG_M4 + GMP_M4_M4WRAP_SPURIOUS +# else +# It's unclear why this m4-not-needed stuff was ever done. +# if test -z "$M4" ; then +# M4=m4-not-needed +# fi +fi + +# Only do the GMP_ASM checks if there's a .S or .asm wanting them. +if test $found_asm = no && test $found_S = no; then + gmp_asm_syntax_testing=no +fi + +if test "$gmp_asm_syntax_testing" != no; then + SAVE_CFLAGS="$CFLAGS" + CFLAGS="`echo $SAVE_CFLAGS | sed 's;-flto[[-=a-z0-9]]*;;g'`" + GMP_ASM_TEXT + GMP_ASM_DATA + GMP_ASM_LABEL_SUFFIX + GMP_ASM_GLOBL + GMP_ASM_GLOBL_ATTR + GMP_ASM_UNDERSCORE + GMP_ASM_RODATA + GMP_ASM_TYPE + GMP_ASM_SIZE + GMP_ASM_LSYM_PREFIX + GMP_ASM_W32 + GMP_ASM_ALIGN_LOG + CFLAGS="$SAVE_CFLAGS" + + case $host in + arm*-*-* | aarch64*-*-* | [applem[1-9]-*-*]) + case $ABI in + 32) + GMP_INCLUDE_MPN(arm/arm-defs.m4) ;; + 64) + case $host in + *-*-darwin*) + GMP_INCLUDE_MPN(arm64/darwin.m4) ;; + *) + GMP_INCLUDE_MPN(arm64/arm64-defs.m4) ;; + esac + ;; + esac + ;; + hppa*-*-*) + # for both pa32 and pa64 + GMP_INCLUDE_MPN(pa32/pa-defs.m4) + ;; + IA64_PATTERN) + GMP_ASM_IA64_ALIGN_OK + ;; + M68K_PATTERN) + GMP_ASM_M68K_INSTRUCTION + GMP_ASM_M68K_ADDRESSING + GMP_ASM_M68K_BRANCHES + ;; + [powerpc*-*-* | power[3-9]-*-* | power1[0-9]-*-*]) + GMP_ASM_POWERPC_PIC_ALWAYS + GMP_ASM_POWERPC_R_REGISTERS + GMP_INCLUDE_MPN(powerpc32/powerpc-defs.m4) + + # Check for Linux ELFv1 ABI + AC_EGREP_CPP(yes, +[#if _CALL_ELF == 1 +yes +#endif], + [GMP_DEFINE_RAW(["define(<ELFv1_ABI>)"])]) + + # Check for Linux ELFv2 ABI + AC_EGREP_CPP(yes, +[#if _CALL_ELF == 2 +yes +#endif], + [GMP_DEFINE_RAW(["define(<ELFv2_ABI>)"])]) + + case $host in + *-*-aix*) + case $ABI in + mode64) GMP_INCLUDE_MPN(powerpc64/aix.m4) ;; + *) GMP_INCLUDE_MPN(powerpc32/aix.m4) ;; + esac + ;; + *-*-linux* | *-*-*bsd*) + case $ABI in + mode64) GMP_INCLUDE_MPN(powerpc64/elf.m4) ;; + mode32 | 32) GMP_INCLUDE_MPN(powerpc32/elf.m4) ;; + esac + ;; + *-*-darwin*) + case $ABI in + mode64) GMP_INCLUDE_MPN(powerpc64/darwin.m4) ;; + mode32 | 32) GMP_INCLUDE_MPN(powerpc32/darwin.m4) ;; + esac + ;; + *) + # Assume unrecognized operating system is the powerpc eABI + GMP_INCLUDE_MPN(powerpc32/eabi.m4) + ;; + esac + ;; + power*-*-aix*) + GMP_INCLUDE_MPN(powerpc32/aix.m4) + ;; + *sparc*-*-*) + case $ABI in + 64) + GMP_ASM_SPARC_REGISTER + ;; + esac + GMP_ASM_SPARC_GDOP + GMP_ASM_SPARC_SHARED_THUNKS + ;; + X86_PATTERN | X86_64_PATTERN) + GMP_ASM_ALIGN_FILL_0x90 + if test "$x86_have_mulx" = yes; then + GMP_ASM_X86_MULX + fi + GMP_ASM_COFF_TYPE + case $ABI in + 32) + GMP_INCLUDE_MPN(x86/x86-defs.m4) + AC_DEFINE(HAVE_HOST_CPU_FAMILY_x86) + GMP_ASM_X86_GOT_UNDERSCORE + GMP_ASM_X86_SHLDL_CL + case $enable_profiling in + prof | gprof) GMP_ASM_X86_MCOUNT ;; + esac + case $host in + *-*-darwin*) + GMP_INCLUDE_MPN(x86/darwin.m4) ;; + esac + ;; + 64|x32) + GMP_INCLUDE_MPN(x86_64/x86_64-defs.m4) + AC_DEFINE(HAVE_HOST_CPU_FAMILY_x86_64) + case $host in + *-*-darwin*) + GMP_INCLUDE_MPN(x86_64/darwin.m4) ;; + *-*-mingw* | *-*-msys | *-*-cygwin) + GMP_INCLUDE_MPN(x86_64/dos64.m4) ;; + *-openbsd*) + GMP_DEFINE_RAW(["define(<OPENBSD>,1)"]) ;; + *-linux*) + GMP_DEFINE_RAW(["define(<LINUX>,1)"]) ;; + esac + ;; + esac + ;; + esac +fi + +# For --enable-minithres, prepend "minithres" to path so that its special +# gmp-mparam.h will be used. +if test $enable_minithres = yes; then + path="minithres $path" +fi + +# Create link for gmp-mparam.h. +gmp_mparam_source= +for gmp_mparam_dir in $path; do + test "$no_create" = yes || rm -f gmp-mparam.h + tmp_file=$srcdir/mpn/$gmp_mparam_dir/gmp-mparam.h + if test -f $tmp_file; then + AC_CONFIG_LINKS(gmp-mparam.h:mpn/$gmp_mparam_dir/gmp-mparam.h) + gmp_srclinks="$gmp_srclinks gmp-mparam.h" + gmp_mparam_source=$tmp_file + break + fi +done +if test -z "$gmp_mparam_source"; then + AC_MSG_ERROR([no version of gmp-mparam.h found in path: $path]) +fi + +# For a helpful message from tune/tuneup.c +gmp_mparam_suggest=$gmp_mparam_source +if test "$gmp_mparam_dir" = generic; then + for i in $path; do break; done + if test "$i" != generic; then + gmp_mparam_suggest="new file $srcdir/mpn/$i/gmp-mparam.h" + fi +fi +AC_DEFINE_UNQUOTED(GMP_MPARAM_H_SUGGEST, "$gmp_mparam_source", +[The gmp-mparam.h file (a string) the tune program should suggest updating.]) + + +# Copy relevant parameters from gmp-mparam.h to config.m4. +# We only do this for parameters that are used by some assembly files. +# Fat binaries do this on a per-file basis, so skip in that case. +# +if test -z "$fat_path"; then + for i in SQR_TOOM2_THRESHOLD BMOD_1_TO_MOD_1_THRESHOLD SHLD_SLOW SHRD_SLOW; do + value=`sed -n 's/^#define '$i'[ ]*\([0-9A-Z][0-9A-Z_]*\).*$/\1/p' $gmp_mparam_source` + if test -n "$value"; then + GMP_DEFINE_RAW(["define(<$i>,<$value>)"]) + fi + done +fi + + +# Sizes of some types, needed at preprocessing time. +# +# FIXME: The assumption that GMP_LIMB_BITS is 8*sizeof(mp_limb_t) might +# be slightly rash, but it's true everywhere we know of and ought to be true +# of any sensible system. In a generic C build, grepping LONG_BIT out of +# <limits.h> might be an alternative, for maximum portability. +# +AC_CHECK_SIZEOF(void *) +AC_CHECK_SIZEOF(unsigned short) +AC_CHECK_SIZEOF(unsigned) +AC_CHECK_SIZEOF(unsigned long) +AC_CHECK_SIZEOF(mp_limb_t, , GMP_INCLUDE_GMP_H) +if test "$ac_cv_sizeof_mp_limb_t" = 0; then + AC_MSG_ERROR([Oops, mp_limb_t doesn't seem to work]) +fi +AC_SUBST(GMP_LIMB_BITS, `expr 8 \* $ac_cv_sizeof_mp_limb_t`) +GMP_DEFINE_RAW(["define(<SIZEOF_UNSIGNED>,<$ac_cv_sizeof_unsigned>)"]) + +# Check compiler limb size matches gmp-mparam.h +# +# FIXME: Some of the cycle counter objects in the tune directory depend on +# the size of ulong, it'd be possible to check that here, though a mismatch +# probably wouldn't want to be fatal, none of the libgmp assembler code +# depends on ulong. +# +mparam_bits=[`sed -n 's/^#define GMP_LIMB_BITS[ ][ ]*\([0-9]*\).*$/\1/p' $gmp_mparam_source`] +if test -n "$mparam_bits" && test "$mparam_bits" -ne $GMP_LIMB_BITS; then + if test "$test_CFLAGS" = set; then + AC_MSG_ERROR([Oops, mp_limb_t is $GMP_LIMB_BITS bits, but the assembler code +in this configuration expects $mparam_bits bits. +You appear to have set \$CFLAGS, perhaps you also need to tell GMP the +intended ABI, see "ABI and ISA" in the manual.]) + else + AC_MSG_ERROR([Oops, mp_limb_t is $GMP_LIMB_BITS bits, but the assembler code +in this configuration expects $mparam_bits bits.]) + fi +fi + +GMP_DEFINE_RAW(["define(<GMP_LIMB_BITS>,$GMP_LIMB_BITS)"]) +GMP_DEFINE_RAW(["define(<GMP_NAIL_BITS>,$GMP_NAIL_BITS)"]) +GMP_DEFINE_RAW(["define(<GMP_NUMB_BITS>,eval(GMP_LIMB_BITS-GMP_NAIL_BITS))"]) + + +AC_SUBST(mpn_objects) +AC_SUBST(mpn_objs_in_libgmp) +AC_SUBST(gmp_srclinks) + + +# A recompiled sqr_basecase for use in the tune program, if necessary. +TUNE_SQR_OBJ= +test -d tune || mkdir tune +case $sqr_basecase_source in + *.asm) + sqr_max=[`sed -n 's/^def...(SQR_TOOM2_THRESHOLD_MAX, *\([0-9]*\))/\1/p' $sqr_basecase_source`] + if test -n "$sqr_max"; then + TUNE_SQR_OBJ=sqr_asm.o + AC_DEFINE_UNQUOTED(TUNE_SQR_TOOM2_MAX,$sqr_max, + [Maximum size the tune program can test for SQR_TOOM2_THRESHOLD]) + fi + cat >tune/sqr_basecase.c <<EOF +/* not sure that an empty file can compile, so put in a dummy */ +int sqr_basecase_dummy; +EOF + ;; + *.c) + TUNE_SQR_OBJ= + AC_DEFINE(TUNE_SQR_TOOM2_MAX,SQR_TOOM2_MAX_GENERIC) + cat >tune/sqr_basecase.c <<EOF +#define TUNE_PROGRAM_BUILD 1 +#define TUNE_PROGRAM_BUILD_SQR 1 +#include "mpn/sqr_basecase.c" +EOF + ;; +esac +AC_SUBST(TUNE_SQR_OBJ) + + +# Configs for demos/pexpr.c. +# +AC_CONFIG_FILES(demos/pexpr-config.h:demos/pexpr-config-h.in) +GMP_SUBST_CHECK_FUNCS(clock, cputime, getrusage, gettimeofday, sigaction, sigaltstack, sigstack) +GMP_SUBST_CHECK_HEADERS(sys/resource.h) +AC_CHECK_TYPES([stack_t], HAVE_STACK_T_01=1, HAVE_STACK_T_01=0, + [#include <signal.h>]) +AC_SUBST(HAVE_STACK_T_01) + +# Configs for demos/calc directory +# +# AC_SUBST+AC_CONFIG_FILES is used for calc-config.h, rather than AC_DEFINE+ +# AC_CONFIG_HEADERS, since with the latter automake (1.8) will then put the +# directory (ie. demos/calc) into $(DEFAULT_INCLUDES) for every Makefile.in, +# which would look very strange. +# +# -lcurses is required by libreadline. On a typical SVR4 style system this +# normally doesn't have to be given explicitly, since libreadline.so will +# have a NEEDED record for it. But if someone for some reason is using only +# a static libreadline.a then we must give -lcurses. Readline (as of +# version 4.3) doesn't use libtool, so we can't rely on a .la to cover +# necessary dependencies. +# +# On a couple of systems we've seen libreadline available, but the headers +# not in the default include path, so check for readline/readline.h. We've +# also seen readline/history.h missing, not sure if that's just a broken +# install or a very old version, but check that too. +# +AC_CONFIG_FILES(demos/calc/calc-config.h:demos/calc/calc-config-h.in) +LIBCURSES= +if test $with_readline != no; then + AC_CHECK_LIB(ncurses, tputs, [LIBCURSES=-lncurses], + [AC_CHECK_LIB(curses, tputs, [LIBCURSES=-lcurses])]) +fi +AC_SUBST(LIBCURSES) +use_readline=$with_readline +if test $with_readline = detect; then + use_readline=no + AC_CHECK_LIB(readline, readline, + [AC_CHECK_HEADER(readline/readline.h, + [AC_CHECK_HEADER(readline/history.h, use_readline=yes)])], + , $LIBCURSES) + AC_MSG_CHECKING(readline detected) + AC_MSG_RESULT($use_readline) +fi +if test $use_readline = yes; then + AC_SUBST(WITH_READLINE_01, 1) + AC_SUBST(LIBREADLINE, -lreadline) +else + WITH_READLINE_01=0 +fi +AC_PROG_YACC +AM_PROG_LEX + +LT_INIT + +# Create config.m4. +GMP_FINISH + +# Create Makefiles +# FIXME: Upcoming version of autoconf/automake may not like broken lines. +# Right now automake isn't accepting the new AC_CONFIG_FILES scheme. + +AC_OUTPUT(Makefile \ + mpf/Makefile mpn/Makefile mpq/Makefile \ + mpz/Makefile printf/Makefile scanf/Makefile rand/Makefile cxx/Makefile \ + tests/Makefile tests/devel/Makefile \ + tests/mpf/Makefile tests/mpn/Makefile tests/mpq/Makefile \ + tests/mpz/Makefile tests/rand/Makefile tests/misc/Makefile \ + tests/cxx/Makefile \ + doc/Makefile tune/Makefile \ + demos/Makefile demos/calc/Makefile demos/expr/Makefile \ + gmp.h:gmp-h.in gmp.pc:gmp.pc.in gmpxx.pc:gmpxx.pc.in) + +AC_MSG_NOTICE([summary of build options: + + Version: ${PACKAGE_STRING} + Host type: ${host} + ABI: ${ABI} + Install prefix: ${prefix} + Compiler: ${CC} + Static libraries: ${enable_static} + Shared libraries: ${enable_shared} +]) |