# glibc2.m4 serial 1 dnl Copyright (C) 2000-2002, 2004 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. # Test for the GNU C Library, version 2.0 or newer. # From Bruno Haible. AC_DEFUN([gt_GLIBC2], [ AC_CACHE_CHECK(whether we are using the GNU C Library 2 or newer, ac_cv_gnu_library_2, [AC_EGREP_CPP([Lucky GNU user], [ #include #ifdef __GNU_LIBRARY__ #if (__GLIBC__ >= 2) Lucky GNU user #endif #endif ], ac_cv_gnu_library_2=yes, ac_cv_gnu_library_2=no) ] ) AC_SUBST(GLIBC2) GLIBC2="$ac_cv_gnu_library_2" ] )