| # strnlen.m4 serial 5 |
| dnl Copyright (C) 2002-2003, 2005 Free Software Foundation, 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_STRNLEN], |
| [ |
| AC_LIBSOURCES([strnlen.c, strnlen.h]) |
| |
| dnl Persuade glibc <string.h> to declare strnlen(). |
| AC_REQUIRE([AC_GNU_SOURCE]) |
| |
| AC_FUNC_STRNLEN |
| if test $ac_cv_func_strnlen_working = no; then |
| # This is necessary because automake-1.6.1 doens't understand |
| # that the above use of AC_FUNC_STRNLEN means we may have to use |
| # lib/strnlen.c. |
| #AC_LIBOBJ(strnlen) |
| AC_DEFINE(strnlen, rpl_strnlen, |
| [Define to rpl_strnlen if the replacement function should be used.]) |
| gl_PREREQ_STRNLEN |
| fi |
| ]) |
| |
| # Prerequisites of lib/strnlen.c. |
| AC_DEFUN([gl_PREREQ_STRNLEN], [ |
| AC_CHECK_DECLS_ONCE(strnlen) |
| ]) |
