| # mempcpy.m4 serial 12 | |
| dnl Copyright (C) 2003-2004, 2006-2007, 2009-2022 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], [ | |
| : | |
| ]) |