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#define _GNU_SOURCE
#include <ctype.h>
#include <errno.h>
#include <glob.h>
#include <libgen.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define CBS_PTHREAD
#include "cbs.h"
#define CC "cc"
#define WARNINGS "-Wall", "-Wextra", "-Wpedantic", "-Werror", "-Wno-attributes"
#define CFLAGS_ALL WARNINGS, "-pipe", "-std=c2x"
#define CFLAGS_DBG CFLAGS_ALL, "-g", "-ggdb3", "-Og"
#ifdef __APPLE__
# define CFLAGS_RLS CFLAGS_ALL, "-O3"
#else
# define CFLAGS_RLS CFLAGS_ALL, "-O3", "-march=native", "-mtune=native"
#endif
#define _CMDPRC(C, F) \
do { \
int ec; \
F(C); \
if ((ec = cmdexec(C)) != EXIT_SUCCESS) \
diex("%s terminated with exit-code %d", *(C)._argv, ec); \
cmdclr(&(C)); \
} while (0)
#define CMDPRC(C) _CMDPRC(C, cmdput)
#define CMDPRC2(C) _CMDPRC(C, cmdput2)
#define streq(a, b) (!strcmp(a, b))
#define flagset(o) (flags & (1 << ((o) - 'a')))
static void work(void *);
static int globerr(const char *, int);
static void cmdput2(cmd_t);
static uint32_t flags;
int
main(int argc, char **argv)
{
int opt;
cbsinit(argc, argv);
rebuild();
while ((opt = getopt(argc, argv, "flr")) != -1) {
switch (opt) {
case '?':
fprintf(stderr, "Usage: %s [-flr]\n", *argv);
exit(EXIT_FAILURE);
default:
flags |= 1 << (opt - 'a');
}
}
argc -= optind;
argv += optind;
if (argc >= 1) {
if (streq(*argv, "clean")) {
cmd_t c = {0};
cmdadd(&c, "find", ".", "-name", "*.[ao]", "-delete");
CMDPRC(c);
} else {
diex("invalid subcommand -- '%s'", *argv);
exit(EXIT_FAILURE);
}
} else {
cmd_t c = {0};
size_t n;
glob_t g;
tpool_t tp;
if (glob("lib/*/*.c", 0, globerr, &g))
die("glob");
if ((n = nproc()) == -1) {
if (errno)
die("nproc");
n = 8;
}
tpinit(&tp, n);
for (size_t i = 0; i < g.gl_pathc; i++)
tpenq(&tp, work, g.gl_pathv[i], NULL);
tpwait(&tp);
tpfree(&tp);
for (size_t i = 0; i < g.gl_pathc; i++)
g.gl_pathv[i][strlen(g.gl_pathv[i]) - 1] = 'o';
if (flagset('f')
|| foutdatedv("librune.a", (const char **)g.gl_pathv, g.gl_pathc))
{
c.dst = "librune.a";
cmdadd(&c, "ar", "rcs", "librune.a");
cmdaddv(&c, g.gl_pathv, g.gl_pathc);
CMDPRC2(c);
}
globfree(&g);
}
return EXIT_SUCCESS;
}
void
work(void *p)
{
cmd_t c = {0};
char *src = p;
struct strv sv = {0};
if (!(c.dst = strdup(src)))
die("strdup");
c.dst[strlen(c.dst) - 1] = 'o';
if (flagset('f') || foutdated(c.dst, src)) {
env_or_default(&sv, "CC", CC);
if (flagset('r'))
env_or_default(&sv, "CFLAGS", CFLAGS_RLS);
else
env_or_default(&sv, "CFLAGS", CFLAGS_DBG);
cmdaddv(&c, sv.buf, sv.len);
if (flagset('l'))
cmdadd(&c, "-flto");
cmdadd(&c, "-Iinclude", "-fPIC", "-o", c.dst, "-c", src);
CMDPRC2(c);
}
free(c.dst);
}
int
globerr(const char *s, int e)
{
errno = e;
die("glob: %s", s);
}
void
cmdput2(cmd_t c)
{
const char *p;
flockfile(stderr);
for (p = *c._argv; *p; p++)
fputc(toupper(*p), stderr);
fprintf(stderr, "\t%s\n", c.dst);
funlockfile(stderr);
}
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