-# perror.m4 serial 1
-dnl Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
+# perror.m4 serial 2
+dnl Copyright (C) 2008-2011 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([gl_STDIO_H_DEFAULTS])
AC_REQUIRE([gl_HEADER_ERRNO_H])
+ AC_REQUIRE([gl_FUNC_STRERROR_R])
if test -n "$ERRNO_H"; then
dnl The system's perror() cannot know about the new errno values we add
dnl to <errno.h>. Replace it.
REPLACE_PERROR=1
- AC_LIBOBJ([perror])
fi
+ case ${gl_cv_func_strerror_r_works-unset} in
+ unset|*yes) ;;
+ *) dnl The system's perror() probably inherits the bugs in the
+ dnl system's strerror_r(). Replace it.
+ REPLACE_PERROR=1 ;;
+ esac
])