blob: 7af15a22877acc7f730a9e2fc9647999f7da81a2 (
plain)
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
|
# assert-h.m4
dnl Copyright (C) 2011-2022 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.
dnl From Paul Eggert.
AC_DEFUN([gl_ASSERT_H],
[
GL_GENERATE_ASSERT_H=false
AC_CACHE_CHECK([for static_assert], [gl_cv_static_assert],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <assert.h>
static_assert (2 + 2 == 4, "arithmetic doesn't work");
static_assert (2 + 2 == 4);
]],
[[
static_assert (sizeof (char) == 1, "sizeof doesn't work");
static_assert (sizeof (char) == 1);
]])],
[gl_cv_static_assert=yes],
[gl_cv_static_assert=no])])
if test $gl_cv_static_assert = no; then
GL_GENERATE_ASSERT_H=true
gl_NEXT_HEADERS([assert.h])
fi
])
|