projects / bison.git / blame
| Commit | Line | Data |
|---|---|---|
| f61aad93 PE |
1 | # strnlen.m4 serial 2 |
| 2 | dnl Copyright (C) 2002-2003 Free Software Foundation, Inc. | |
| 3 | dnl This file is free software, distributed under the terms of the GNU | |
| 4 | dnl General Public License. As a special exception to the GNU General | |
| 5 | dnl Public License, this file may be distributed as part of a program | |
| 6 | dnl that contains a configuration script generated by Autoconf, under | |
| 7 | dnl the same distribution terms as the rest of that program. | |
| 8 | ||
| 9 | AC_DEFUN([gl_FUNC_STRNLEN], | |
| 10 | [ | |
| 11 | dnl Persuade glibc <string.h> to declare strnlen(). | |
| 12 | AC_REQUIRE([AC_GNU_SOURCE]) | |
| 13 | ||
| 14 | AC_FUNC_STRNLEN | |
| 15 | if test $ac_cv_func_strnlen_working = no; then | |
| 16 | # This is necessary because automake-1.6.1 doens't understand | |
| 17 | # that the above use of AC_FUNC_STRNLEN means we may have to use | |
| 18 | # lib/strnlen.c. | |
| 19 | #AC_LIBOBJ(strnlen) | |
| 20 | AC_DEFINE(strnlen, rpl_strnlen, | |
| 21 | [Define to rpl_strnlen if the replacement function should be used.]) | |
| 22 | gl_PREREQ_STRNLEN | |
| 23 | fi | |
| 24 | ]) | |
| 25 | ||
| 26 | # Prerequisites of lib/strnlen.c. | |
| 27 | AC_DEFUN([gl_PREREQ_STRNLEN], [ | |
| 28 | AC_REQUIRE([AC_HEADER_STDC]) | |
| 29 | AC_CHECK_HEADERS_ONCE(memory.h string.h) | |
| 30 | AC_CHECK_DECLS(memchr) | |
| 31 | ]) | |
| 32 |