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Annotation of embedaddon/libiconv/srcm4/glibc21.m4, revision 1.1.1.3

1.1.1.2   misho       1: # glibc21.m4 serial 5
1.1.1.3 ! misho       2: dnl Copyright (C) 2000-2002, 2004, 2008, 2010-2019 Free Software Foundation,
1.1.1.2   misho       3: dnl Inc.
1.1       misho       4: dnl This file is free software; the Free Software Foundation
                      5: dnl gives unlimited permission to copy and/or distribute it,
                      6: dnl with or without modifications, as long as this notice is preserved.
                      7: 
1.1.1.2   misho       8: # Test for the GNU C Library, version 2.1 or newer, or uClibc.
1.1       misho       9: # From Bruno Haible.
                     10: 
                     11: AC_DEFUN([gl_GLIBC21],
                     12:   [
1.1.1.2   misho      13:     AC_CACHE_CHECK([whether we are using the GNU C Library >= 2.1 or uClibc],
1.1       misho      14:       [ac_cv_gnu_library_2_1],
1.1.1.2   misho      15:       [AC_EGREP_CPP([Lucky],
                     16:         [
1.1       misho      17: #include <features.h>
                     18: #ifdef __GNU_LIBRARY__
                     19:  #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
                     20:   Lucky GNU user
                     21:  #endif
                     22: #endif
1.1.1.2   misho      23: #ifdef __UCLIBC__
                     24:  Lucky user
                     25: #endif
                     26:         ],
                     27:         [ac_cv_gnu_library_2_1=yes],
                     28:         [ac_cv_gnu_library_2_1=no])
1.1       misho      29:       ]
                     30:     )
                     31:     AC_SUBST([GLIBC21])
                     32:     GLIBC21="$ac_cv_gnu_library_2_1"
                     33:   ]
                     34: )