1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
#include <errno.h>
#include <getopt.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#if defined(__has_include) && __has_include(<features.h>)
# include <features.h>
#endif
#ifdef __GLIBC__
# define _POSIX_C_SOURCE 200809L
#endif
#include "cbs.h"
#include "src/compat.h"
#define CC "cc"
#define CFLAGS "-Wall", "-Wextra", "-Wpedantic", "-Werror", "-pipe"
#define CFLAGS_DEBUG "-DGRAB_DEBUG", "-g", "-ggdb3"
#ifdef __APPLE__
# define CFLAGS_RELEASE "-O3"
#else
# define CFLAGS_RELEASE "-O3", "-march=native", "-mtune=native"
#endif
#define PREFIX "/usr/local"
#define streq(a, b) (!strcmp(a, b))
#define cmdprc(c) \
do { \
int ec; \
cmdput(c); \
if ((ec = cmdexec(c)) != EXIT_SUCCESS) \
diex("%s terminated with exit-code %d", *c._argv, ec); \
cmdclr(&c); \
} while (0)
static char *mkoutpath(const char *);
static bool dflag, Pflag;
int
main(int argc, char **argv)
{
int opt;
cmd_t c = {0};
struct option longopts[] = {
{"debug", no_argument, 0, 'd'},
{"no-pcre", no_argument, 0, 'P'},
{nullptr, 0, 0, 0 },
};
cbsinit(argc, argv);
rebuild();
while ((opt = getopt_long(argc, argv, "dP", longopts, nullptr)) != -1) {
switch (opt) {
case 'd':
dflag = true;
break;
case 'P':
Pflag = true;
break;
default:
fputs("Usage: make [-dP]\n", stderr);
exit(EXIT_FAILURE);
}
}
argc -= optind;
argv += optind;
if (argc > 0) {
if (streq(*argv, "clean")) {
cmdadd(&c, "rm", "-f", "grab", "git-grab");
cmdprc(c);
} else if (streq(*argv, "install")) {
char *bin, *man;
bin = mkoutpath("/bin");
man = mkoutpath("/share/man/man1");
cmdadd(&c, "mkdir", "-p", bin, man);
cmdprc(c);
cmdadd(&c, "cp", "grab", "git-grab", bin);
cmdprc(c);
cmdadd(&c, "cp", "man/grab.1", "man/git-grab.1", man);
cmdprc(c);
}
} else {
struct strv sv = {0};
env_or_default(&sv, "CC", CC);
if (dflag)
env_or_default(&sv, "CFLAGS", CFLAGS, CFLAGS_DEBUG);
else
env_or_default(&sv, "CFLAGS", CFLAGS, CFLAGS_RELEASE);
for (int i = 0; i < 2; i++) {
char buf[] = "-DGIT_GRAB=X";
buf[sizeof(buf) - 2] = i + '0';
cmdaddv(&c, sv.buf, sv.len);
#ifdef __GLIBC__
cmdadd(&c, "-D_POSIX_C_SOURCE=200809L");
#endif
cmdadd(&c, buf);
if (!Pflag) {
struct strv pc = {0};
cmdadd(&c, "-DGRAB_DO_PCRE=1");
if (pcquery(&pc, "libpcre2-posix", PKGC_CFLAGS | PKGC_LIBS))
cmdaddv(&c, pc.buf, pc.len);
else
cmdadd(&c, "-lpcre2-posix");
strvfree(&pc);
}
cmdadd(&c, "-o", i == 0 ? "grab" : "git-grab", "src/grab.c");
cmdprc(c);
}
strvfree(&sv);
}
return EXIT_SUCCESS;
}
char *
mkoutpath(const char *s)
{
char *p, *buf;
buf = bufalloc(NULL, PATH_MAX, sizeof(char));
buf[0] = 0;
if (p = getenv("DESTDIR"), p && *p) {
if (strlcat(buf, p, PATH_MAX) >= PATH_MAX)
goto toolong;
}
p = getenv("PREFIX");
if (strlcat(buf, p && *p ? p : PREFIX, PATH_MAX) >= PATH_MAX)
goto toolong;
if (strlcat(buf, s, PATH_MAX) >= PATH_MAX)
goto toolong;
return buf;
toolong:
errno = ENAMETOOLONG;
die(__func__);
}
|
