-# tsearch.m4 serial 3
-dnl Copyright (C) 2006-2008 Free Software Foundation, Inc.
+# tsearch.m4 serial 6
+dnl Copyright (C) 2006-2013 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([whether tdelete works], [gl_cv_func_tdelete_works],
[
- AC_TRY_RUN([
+ AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stddef.h>
#include <search.h>
static int
int
main ()
{
+ int result = 0;
int x = 0;
void *root = NULL;
- if (!(tfind (&x, &root, cmp_fn) == NULL)) return 1;
+ if (!(tfind (&x, &root, cmp_fn) == NULL))
+ result |= 1;
tsearch (&x, &root, cmp_fn);
- if (!(tfind (&x, &root, cmp_fn) != NULL)) return 1;
- if (!(tdelete (&x, &root, cmp_fn) != NULL)) return 1;
- return 0;
-}], [gl_cv_func_tdelete_works=yes], [gl_cv_func_tdelete_works=no],
+ if (!(tfind (&x, &root, cmp_fn) != NULL))
+ result |= 2;
+ if (!(tdelete (&x, &root, cmp_fn) != NULL))
+ result |= 4;
+ return result;
+}]])], [gl_cv_func_tdelete_works=yes], [gl_cv_func_tdelete_works=no],
[case "$host_os" in
openbsd*) gl_cv_func_tdelete_works="guessing no";;
*) gl_cv_func_tdelete_works="guessing yes";;
case "$gl_cv_func_tdelete_works" in
*no)
REPLACE_TSEARCH=1
- AC_LIBOBJ([tsearch])
- gl_PREREQ_TSEARCH
;;
esac
else
HAVE_TSEARCH=0
- AC_LIBOBJ([tsearch])
- gl_PREREQ_TSEARCH
fi
])