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
|
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#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};
cbsinit(argc, argv);
rebuild();
while ((opt = getopt(argc, argv, "dP")) != -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");
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 cc = {0};
struct strv cflags = {0};
env_or_default(&cc, "CC", CC);
if (dflag)
env_or_default(&cflags, "CFLAGS", CFLAGS, CFLAGS_DEBUG);
else
env_or_default(&cflags, "CFLAGS", CFLAGS, CFLAGS_RELEASE);
for (int i = 0; i < 2; i++) {
char buf[] = "-DGIT_GRAB=X";
buf[sizeof(buf) - 2] = i + '0';
cmdaddv(&c, cc.buf, cc.len);
cmdaddv(&c, cflags.buf, cflags.len);
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(&cc);
strvfree(&cflags);
}
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__);
}
|
