-# fopen.m4 serial 4
-dnl Copyright (C) 2007-2009 Free Software Foundation, Inc.
+# fopen.m4 serial 8
+dnl Copyright (C) 2007-2011 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])
case "$host_os" in
mingw* | pw*)
+ dnl Replace fopen, for handling of "/dev/null".
REPLACE_FOPEN=1
- AC_LIBOBJ([fopen])
+ dnl fopen on mingw also has the trailing slash bug.
+ gl_cv_func_fopen_slash="guessing no"
;;
*)
dnl fopen("foo/", "w") should not create a file when the file name has a
AC_CACHE_CHECK([whether fopen recognizes a trailing slash],
[gl_cv_func_fopen_slash],
[
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <stddef.h>
#include <stdio.h>
int main ()
{
return fopen ("conftest.sl/", "w") != NULL;
-}], [gl_cv_func_fopen_slash=yes], [gl_cv_func_fopen_slash=no],
+}]])],
+ [gl_cv_func_fopen_slash=yes],
+ [gl_cv_func_fopen_slash=no],
[
changequote(,)dnl
case "$host_os" in
- solaris2.[0-9]*) gl_cv_func_fopen_slash="guessing no" ;;
- hpux*) gl_cv_func_fopen_slash="guessing no" ;;
- *) gl_cv_func_fopen_slash="guessing yes" ;;
+ aix* | hpux* | solaris2.[0-9] | solaris2.[0-9].*)
+ gl_cv_func_fopen_slash="guessing no" ;;
+ *)
+ gl_cv_func_fopen_slash="guessing yes" ;;
esac
changequote([,])dnl
])
rm -f conftest.sl
])
- case "$gl_cv_func_fopen_slash" in
- *no)
- AC_DEFINE([FOPEN_TRAILING_SLASH_BUG], [1],
- [Define to 1 if fopen() fails to recognize a trailing slash.])
- REPLACE_FOPEN=1
- AC_LIBOBJ([fopen])
- gl_PREREQ_FOPEN
- ;;
- esac
+ ;;
+ esac
+ case "$gl_cv_func_fopen_slash" in
+ *no)
+ AC_DEFINE([FOPEN_TRAILING_SLASH_BUG], [1],
+ [Define to 1 if fopen() fails to recognize a trailing slash.])
+ REPLACE_FOPEN=1
;;
esac
])