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