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Annotation of embedaddon/confuse/m4/glibc21.m4, revision 1.1.1.1

1.1       misho       1: # glibc21.m4 serial 3
                      2: dnl Copyright (C) 2000-2002, 2004 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: # Test for the GNU C Library, version 2.1 or newer.
                      8: # From Bruno Haible.
                      9: 
                     10: AC_DEFUN([gl_GLIBC21],
                     11:   [
                     12:     AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,
                     13:       ac_cv_gnu_library_2_1,
                     14:       [AC_EGREP_CPP([Lucky GNU user],
                     15:        [
                     16: #include <features.h>
                     17: #ifdef __GNU_LIBRARY__
                     18:  #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
                     19:   Lucky GNU user
                     20:  #endif
                     21: #endif
                     22:        ],
                     23:        ac_cv_gnu_library_2_1=yes,
                     24:        ac_cv_gnu_library_2_1=no)
                     25:       ]
                     26:     )
                     27:     AC_SUBST(GLIBC21)
                     28:     GLIBC21="$ac_cv_gnu_library_2_1"
                     29:   ]
                     30: )