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