| # mempcpy.m4 serial 12 |
| dnl Copyright (C) 2003-2004, 2006-2007, 2009-2021 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_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], [ |
| : |
| ]) |
