development / crossrootfs.git / blame
| Commit | Line | Data |
|---|---|---|
| 1844ed75 VM |
1 | # strnlen.m4 serial 10 |
| 2 | dnl Copyright (C) 2002-2003, 2005-2007, 2009 Free Software Foundation, Inc. | |
| 3 | dnl This file is free software; the Free Software Foundation | |
| 4 | dnl gives unlimited permission to copy and/or distribute it, | |
| 5 | dnl with or without modifications, as long as this notice is preserved. | |
| 6 | ||
| 7 | AC_DEFUN([gl_FUNC_STRNLEN], | |
| 8 | [ | |
| 9 | dnl Persuade glibc <string.h> to declare strnlen(). | |
| 10 | AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) | |
| 11 | ||
| 12 | dnl AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) | |
| 13 | AC_CHECK_DECLS_ONCE([strnlen]) | |
| 14 | if test $ac_cv_have_decl_strnlen = no; then | |
| 15 | HAVE_DECL_STRNLEN=0 | |
| 16 | fi | |
| 17 | ||
| 18 | AC_FUNC_STRNLEN | |
| 19 | if test $ac_cv_func_strnlen_working = no; then | |
| 20 | # This is necessary because automake-1.6.1 doesn't understand | |
| 21 | # that the above use of AC_FUNC_STRNLEN means we may have to use | |
| 22 | # lib/strnlen.c. | |
| 23 | AC_LIBOBJ([strnlen]) | |
| 24 | AC_DEFINE([strnlen], [rpl_strnlen], | |
| 25 | [Define to rpl_strnlen if the replacement function should be used.]) | |
| 26 | gl_PREREQ_STRNLEN | |
| 27 | fi | |
| 28 | ]) | |
| 29 | ||
| 30 | # Prerequisites of lib/strnlen.c. | |
| 31 | AC_DEFUN([gl_PREREQ_STRNLEN], [:]) |