version 1.1.1.1, 2012/02/21 22:57:48
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version 1.1.1.2, 2021/03/17 13:38:46
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# glibc21.m4 serial 3 | # glibc21.m4 serial 5 |
dnl Copyright (C) 2000-2002, 2004 Free Software Foundation, Inc. | dnl Copyright (C) 2000-2002, 2004, 2008, 2010-2019 Free Software Foundation, |
| dnl Inc. |
dnl This file is free software; the Free Software Foundation |
dnl This file is free software; the Free Software Foundation |
dnl gives unlimited permission to copy and/or distribute it, |
dnl gives unlimited permission to copy and/or distribute it, |
dnl with or without modifications, as long as this notice is preserved. |
dnl with or without modifications, as long as this notice is preserved. |
|
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# Test for the GNU C Library, version 2.1 or newer. | # Test for the GNU C Library, version 2.1 or newer, or uClibc. |
# From Bruno Haible. |
# From Bruno Haible. |
|
|
AC_DEFUN([gl_GLIBC21], |
AC_DEFUN([gl_GLIBC21], |
[ |
[ |
AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer, | AC_CACHE_CHECK([whether we are using the GNU C Library >= 2.1 or uClibc], |
ac_cv_gnu_library_2_1, | [ac_cv_gnu_library_2_1], |
[AC_EGREP_CPP([Lucky GNU user], | [AC_EGREP_CPP([Lucky], |
[ | [ |
#include <features.h> |
#include <features.h> |
#ifdef __GNU_LIBRARY__ |
#ifdef __GNU_LIBRARY__ |
#if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2) |
#if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2) |
Lucky GNU user |
Lucky GNU user |
#endif |
#endif |
#endif |
#endif |
], | #ifdef __UCLIBC__ |
ac_cv_gnu_library_2_1=yes, | Lucky user |
ac_cv_gnu_library_2_1=no) | #endif |
| ], |
| [ac_cv_gnu_library_2_1=yes], |
| [ac_cv_gnu_library_2_1=no]) |
] |
] |
) |
) |
AC_SUBST(GLIBC21) | AC_SUBST([GLIBC21]) |
GLIBC21="$ac_cv_gnu_library_2_1" |
GLIBC21="$ac_cv_gnu_library_2_1" |
] |
] |
) |
) |