43 lines
855 B
Plaintext
43 lines
855 B
Plaintext
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dnl ######################################################################
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dnl Do we have a GNUish getopt
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AC_DEFUN(AMU_CHECK_GNU_GETOPT,
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[
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AC_CACHE_CHECK([for GNU getopt], ac_cv_sys_gnu_getopt, [
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AC_TRY_RUN([
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#include <stdio.h>
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#include <unistd.h>
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int main()
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{
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int argc = 3;
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char *argv[] = { "actest", "arg", "-x", NULL };
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int c;
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FILE* rf;
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int isGNU = 0;
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rf = fopen("conftestresult", "w");
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if (rf == NULL) exit(1);
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while ( (c = getopt(argc, argv, "x")) != -1 ) {
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switch ( c ) {
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case 'x':
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isGNU=1;
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break;
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default:
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exit(1);
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}
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}
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fprintf(rf, isGNU ? "yes" : "no");
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exit(0);
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}
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],[
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ac_cv_sys_gnu_getopt="`cat conftestresult`"
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],[
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AC_MSG_ERROR(could not test for getopt())
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])
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])
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if test "$ac_cv_sys_gnu_getopt" = "yes"
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then
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AC_DEFINE(HAVE_GNU_GETOPT)
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fi
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])
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