glibc21.m4 983 B

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  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.
  8. # Test for the GNU C Library, version 2.1 or newer.
  9. # From Bruno Haible.
  10. AC_DEFUN([jm_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. )