dnl ###################################################################### dnl Do we have a GNUish getopt AC_DEFUN([AMU_CHECK_GNU_GETOPT], [ AC_CACHE_CHECK([for GNU getopt], ac_cv_sys_gnu_getopt, [ AC_TRY_RUN([ #include #include int main() { int argc = 3; char *argv[] = { "actest", "arg", "-x", NULL }; int c; FILE* rf; int isGNU = 0; rf = fopen("conftestresult", "w"); if (rf == NULL) exit(1); while ( (c = getopt(argc, argv, "x")) != -1 ) { switch ( c ) { case 'x': isGNU=1; break; default: exit(1); } } fprintf(rf, isGNU ? "yes" : "no"); exit(0); } ],[ ac_cv_sys_gnu_getopt="`cat conftestresult`" ],[ ac_cv_sys_gnu_getopt="fail" ]) ]) if test "$ac_cv_sys_gnu_getopt" = "yes" then AC_DEFINE(HAVE_GNU_GETOPT) fi ])