blob: 3970d9e15c6d078e9985b833ecd4b9e76af17768 (
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
30
31
32
33
34
35
|
# reallocarray.m4
# serial 7
dnl Copyright (C) 2017-2025 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 This file is offered as-is, without any warranty.
AC_DEFUN([gl_FUNC_REALLOCARRAY],
[
dnl Persuade glibc <stdlib.h> to declare reallocarray.
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
AC_REQUIRE([gl_CHECK_MALLOC_PTRDIFF])
AC_REQUIRE([gl_FUNC_REALLOC_0_NONNULL])
gl_CHECK_FUNCS_ANDROID([reallocarray], [[#include <stdlib.h>]])
if test "$ac_cv_func_reallocarray" = no; then
HAVE_REALLOCARRAY=0
case "$gl_cv_onwards_func_reallocarray" in
future*) REPLACE_REALLOCARRAY=1 ;;
esac
else
if test "$gl_cv_malloc_ptrdiff" = no; then
REPLACE_REALLOCARRAY=1
fi
case "$gl_cv_func_realloc_0_nonnull" in
*yes) ;;
*) REPLACE_REALLOCARRAY=1 ;;
esac
fi
])
# Prerequisites of lib/reallocarray.c.
AC_DEFUN([gl_PREREQ_REALLOCARRAY], [:])
|
