1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
# strerror.m4 serial 6
dnl Copyright (C) 2002, 2007 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_STRERROR],
[
AC_REQUIRE([gl_FUNC_STRERROR_SEPARATE])
if test $gl_cv_func_working_strerror = no; then
AC_LIBOBJ([strerror])
AC_DEFINE_UNQUOTED([REPLACE_STRERROR], [$REPLACE_STRERROR],
[Define this to 1 if strerror is broken.])
fi
])
# Like gl_FUNC_STRERROR, except prepare for separate compilation (no AC_LIBOBJ).
AC_DEFUN([gl_FUNC_STRERROR_SEPARATE],
[
AC_CACHE_CHECK([for working strerror function],
[gl_cv_func_working_strerror],
[AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[#include <string.h>
],
[return !*strerror (-2);])],
[gl_cv_func_working_strerror=yes],
[gl_cv_func_working_strerror=no],
[dnl Assume crossbuild works if it compiles.
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[#include <string.h>
],
[return !*strerror (-2);])],
[gl_cv_func_working_strerror=yes],
[gl_cv_func_working_strerror=no])])])
if test $gl_cv_func_working_strerror = no ; then
REPLACE_STRERROR=1
gl_PREREQ_STRERROR
fi
])
# Prerequisites of lib/strerror.c.
AC_DEFUN([gl_PREREQ_STRERROR], [
AC_CHECK_DECLS([strerror])
])
|
