1 # reallocarray.m4 serial 3
2 dnl Copyright (C) 2017-2022 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_FUNC_REALLOCARRAY],
9 dnl Persuade glibc <stdlib.h> to declare reallocarray.
10 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
12 AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
13 AC_REQUIRE([gl_CHECK_MALLOC_PTRDIFF])
14 AC_CHECK_FUNCS([reallocarray])
15 if test "$ac_cv_func_reallocarray" = no; then
17 elif test "$gl_cv_malloc_ptrdiff" = no; then
18 REPLACE_REALLOCARRAY=1
22 # Prerequisites of lib/reallocarray.c.
23 AC_DEFUN([gl_PREREQ_REALLOCARRAY], [:])