50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/* $NetBSD: buwrapper.c,v 1.2 1999/01/04 22:51:53 tv Exp $ */
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#include <err.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sysexits.h>
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#include <unistd.h>
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/*
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* Wrapper for binutils programs.
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*
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* This frontend sets the appropriate environment variables that tell
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* binutils programs which target will be used.
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*/
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static const char binsubdir[] = "libexec/binutils";
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#define PATHLEN sizeof(PREFIX) + sizeof(binsubdir) + 20
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int main(int argc, char **argv) {
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char path[PATHLEN], *p, *prog;
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/* quickly find last part of path component */
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if (p = strrchr(argv[0], '/'))
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p++;
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else
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p = argv[0];
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if (prog = strrchr(p, '-'))
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prog++;
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else
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prog = p;
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/* make program pathname */
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snprintf(path, PATHLEN, "%s/%s/%s", PREFIX, binsubdir, prog);
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/* set up environment */
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setenv("GNUTARGET", GNUTARGET, 0);
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#ifdef LDEMULATION
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setenv("LDEMULATION", LDEMULATION, 0);
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#endif
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#ifdef LD_RPATH_LINK
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setenv("LD_RPATH_LINK", LD_RPATH_LINK, 1);
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#endif
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/* run it! */
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execv(path, argv);
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/* we shouldn't get here. */
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err(EX_OSERR, "(buwrapper): exec %s", path);
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}
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