# mempcpy.m4 serial 11

dnl Copyright (C) 2003-2004, 2006-2007, 2009-2018 Free Software Foundation,

dnl 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.

AC_DEFUN([gl_FUNC_MEMPCPY],

[

  dnl Persuade glibc <string.h> to declare mempcpy().

  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  dnl The mempcpy() declaration in lib/string.in.h uses 'restrict'.

  AC_REQUIRE([AC_C_RESTRICT])

  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])

  AC_CHECK_FUNCS([mempcpy])

  if test $ac_cv_func_mempcpy = no; then

    HAVE_MEMPCPY=0

  fi

])

# Prerequisites of lib/mempcpy.c.

AC_DEFUN([gl_PREREQ_MEMPCPY], [

  :

])