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-rw-r--r--gl/m4/reallocarray.m423
1 files changed, 23 insertions, 0 deletions
diff --git a/gl/m4/reallocarray.m4 b/gl/m4/reallocarray.m4
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1# reallocarray.m4 serial 3
2dnl Copyright (C) 2017-2023 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_DEFUN([gl_FUNC_REALLOCARRAY],
8[
9 dnl Persuade glibc <stdlib.h> to declare reallocarray.
10 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
11
12 AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
13 AC_REQUIRE([gl_CHECK_MALLOC_PTRDIFF])
14 AC_CHECK_FUNCS([reallocarray])
15 if test "$ac_cv_func_reallocarray" = no; then
16 HAVE_REALLOCARRAY=0
17 elif test "$gl_cv_malloc_ptrdiff" = no; then
18 REPLACE_REALLOCARRAY=1
19 fi
20])
21
22# Prerequisites of lib/reallocarray.c.
23AC_DEFUN([gl_PREREQ_REALLOCARRAY], [:])