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/**
* Buildroot wrapper for external toolchains. This simply executes the real
* toolchain with a number of arguments (sysroot/arch/..) hardcoded,
* to ensure the external toolchain uses the correct configuration.
*
* (C) 2011 Peter Korsgaard <jacmet@sunsite.dk>
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <unistd.h>
#define MAXARGS 1000
static char path[PATH_MAX] = BR_CROSS_PATH;
static char *args[MAXARGS] = {
path,
"--sysroot", BR_SYSROOT,
#ifdef BR_ARCH
"-march=" BR_ARCH,
#endif /* BR_ARCH */
#ifdef BR_TUNE
"-mtune=" BR_TUNE,
#endif /* BR_TUNE */
#ifdef BR_ABI
"-mabi=" BR_ABI,
#endif
#ifdef BR_SOFTFLOAT
"-msoft-float",
#endif /* BR_SOFTFLOAT */
#ifdef BR_VFPFLOAT
"-mfpu=vfp",
#endif /* BR_VFPFLOAT */
};
static const char *get_basename(const char *name)
{
const char *base;
base = strrchr(name, '/');
if (base)
base++;
else
base = name;
return base;
}
int main(int argc, char **argv)
{
int i;
for (i=0; args[i]; i++);
if ((argc+i) >= MAXARGS) {
fputs("Too many arguments\n", stderr);
return 1;
}
/* forward args */
memcpy(&args[i], &argv[1], sizeof(argv[0]) * (argc - 1));
strcat(path, get_basename(argv[0]));
if (execv(path, args))
perror(path);
return 2;
}
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