90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
/*
|
|
scconfig - m4 binary detection
|
|
Copyright (C) 2015 Tibor Palinkas
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
Project page: http://repo.hu/projects/scconfig
|
|
Contact (email and IRC): http://igor2.repo.hu/contact.html
|
|
*/
|
|
|
|
#include "scripts.h"
|
|
#include <unistd.h>
|
|
|
|
static int test_m4(const char *name, int logdepth, int fatal, char *bin)
|
|
{
|
|
char *script =
|
|
NL "define(baz, foo)"
|
|
NL "baz bar"
|
|
NL;
|
|
char *out, *cmd, *tmpf, *tmpf_esc;
|
|
(void) fatal; /* not used */
|
|
|
|
tmpf = tempfile_dump(script, ".m4");
|
|
tmpf_esc = shell_escape_dup(tmpf);
|
|
cmd = str_concat(" ", bin, tmpf_esc, NULL);
|
|
free(tmpf_esc);
|
|
|
|
run(logdepth, cmd, &out);
|
|
if (out != NULL) {
|
|
char *s = out;
|
|
|
|
while((*s == ' ') || (*s == '\r') || (*s == '\n'))
|
|
s++;
|
|
|
|
if (strncmp(s, "foo bar", 7) == 0) {
|
|
unlink(tmpf);
|
|
free(tmpf);
|
|
free(out);
|
|
report("found (%s)\n", bin);
|
|
logprintf(logdepth, "found (%s)", bin);
|
|
put("libs/script/m4/bin/presents", strue);
|
|
put("libs/script/m4/bin/path", bin);
|
|
return 1;
|
|
}
|
|
|
|
free(out);
|
|
}
|
|
|
|
unlink(tmpf);
|
|
free(tmpf);
|
|
free(cmd);
|
|
return 0;
|
|
}
|
|
|
|
int find_script_m4(const char *name, int logdepth, int fatal)
|
|
{
|
|
char *m4_paths[] = {
|
|
"/usr/bin/m4",
|
|
"/usr/local/bin/m4",
|
|
"/bin/m4",
|
|
"/usr/bin/gm4",
|
|
"/usr/local/bin/gm4",
|
|
"/bin/gm4",
|
|
NULL
|
|
};
|
|
char **s;
|
|
|
|
report("Checking for m4 binary... ");
|
|
logprintf(logdepth, "find_m4: trying to find m4 binary...\n");
|
|
logdepth++;
|
|
|
|
for(s = m4_paths; *s != NULL; s++)
|
|
if (test_m4(name, logdepth, fatal, *s))
|
|
return 0;
|
|
|
|
return try_fail(logdepth, "libs/script/m4/bin");
|
|
}
|