1# mempcpy.m4 serial 7
2dnl Copyright (C) 2003, 2004, 2006, 2007 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_MEMPCPY],
8[
9  dnl Persuade glibc <string.h> to declare mempcpy().
10  AC_REQUIRE([AC_GNU_SOURCE])
11
12  dnl The mempcpy() declaration in lib/string_.h uses 'restrict'.
13  AC_REQUIRE([AC_C_RESTRICT])
14
15  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
16  AC_REPLACE_FUNCS(mempcpy)
17  if test $ac_cv_func_mempcpy = no; then
18    HAVE_MEMPCPY=0
19    gl_PREREQ_MEMPCPY
20  fi
21])
22
23# Prerequisites of lib/mempcpy.c.
24AC_DEFUN([gl_PREREQ_MEMPCPY], [
25  :
26])
27