summaryrefslogtreecommitdiff
path: root/gl/m4/perror.m4
blob: 350cd4203fa736cc32bc8fd2863e37ba6137a6a3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
# perror.m4 serial 1
dnl Copyright (C) 2008, 2009, 2010 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_DEFUN([gl_FUNC_PERROR],
[
  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  AC_REQUIRE([gl_HEADER_ERRNO_H])
  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
])