projects / bison.git / blame
| Commit | Line | Data |
|---|---|---|
| 9208d17f AD |
1 | # glibc21.m4 serial 2 (fileutils-4.1.3, gettext-0.10.40) |
| 2 | dnl Copyright (C) 2000-2002 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. | |
| 1e24cc5b AD |
8 | |
| 9 | # Test for the GNU C Library, version 2.1 or newer. | |
| 10 | # From Bruno Haible. | |
| 11 | ||
| 12 | AC_DEFUN([jm_GLIBC21], | |
| 13 | [ | |
| 14 | AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer, | |
| 15 | ac_cv_gnu_library_2_1, | |
| 16 | [AC_EGREP_CPP([Lucky GNU user], | |
| 17 | [ | |
| 18 | #include <features.h> | |
| 19 | #ifdef __GNU_LIBRARY__ | |
| 20 | #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2) | |
| 21 | Lucky GNU user | |
| 22 | #endif | |
| 23 | #endif | |
| 24 | ], | |
| 25 | ac_cv_gnu_library_2_1=yes, | |
| 26 | ac_cv_gnu_library_2_1=no) | |
| 27 | ] | |
| 28 | ) | |
| 29 | AC_SUBST(GLIBC21) | |
| 30 | GLIBC21="$ac_cv_gnu_library_2_1" | |
| 31 | ] | |
| 32 | ) |