1# mempcpy.m4 serial 12
2dnl Copyright (C) 2003-2004, 2006-2007, 2009-2021 Free Software Foundation,
3dnl Inc.
4dnl This file is free software; the Free Software Foundation
5dnl gives unlimited permission to copy and/or distribute it,
6dnl with or without modifications, as long as this notice is preserved.
7
8AC_DEFUN([gl_FUNC_MEMPCPY],
9[
10  dnl Persuade glibc <string.h> to declare mempcpy().
11  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
12
13  dnl The mempcpy() declaration in lib/string.in.h uses 'restrict'.
14  AC_REQUIRE([AC_C_RESTRICT])
15
16  AC_REQUIRE([gl_STRING_H_DEFAULTS])
17  AC_CHECK_FUNCS([mempcpy])
18  if test $ac_cv_func_mempcpy = no; then
19    HAVE_MEMPCPY=0
20  fi
21])
22
23# Prerequisites of lib/mempcpy.c.
24AC_DEFUN([gl_PREREQ_MEMPCPY], [
25  :
26])
27