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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 <stdio.h>
#include <unistd.h>
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_MSG_ERROR(could not test for getopt())
])
])
if test "$ac_cv_sys_gnu_getopt" = "yes"
then
AC_DEFINE(HAVE_GNU_GETOPT)
fi
])
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