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authorRichard Maw <richard.maw@codethink.co.uk>2012-01-17 14:43:55 +0000
committerRichard Maw <richard.maw@codethink.co.uk>2012-01-17 14:43:55 +0000
commit2de9abc5c9d40b3c716307d67d16146f823fd554 (patch)
tree6979db67934ddc8b564150b465846a383b428ff8 /m4/glibc21.m4
parent33cc1c6fda6e72a7bae1401e9b2cec495a4d3ff1 (diff)
downloadpatch-baserock/bootstrap-pass2.tar.gz
Diffstat (limited to 'm4/glibc21.m4')
-rw-r--r--m4/glibc21.m434
1 files changed, 34 insertions, 0 deletions
diff --git a/m4/glibc21.m4 b/m4/glibc21.m4
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+# glibc21.m4 serial 5
+dnl Copyright (C) 2000-2002, 2004, 2008, 2010-2011 Free Software Foundation,
+dnl 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 2.1 or newer, or uClibc.
+# From Bruno Haible.
+
+AC_DEFUN([gl_GLIBC21],
+ [
+ AC_CACHE_CHECK([whether we are using the GNU C Library >= 2.1 or uClibc],
+ [ac_cv_gnu_library_2_1],
+ [AC_EGREP_CPP([Lucky],
+ [
+#include <features.h>
+#ifdef __GNU_LIBRARY__
+ #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
+ Lucky GNU user
+ #endif
+#endif
+#ifdef __UCLIBC__
+ Lucky user
+#endif
+ ],
+ [ac_cv_gnu_library_2_1=yes],
+ [ac_cv_gnu_library_2_1=no])
+ ]
+ )
+ AC_SUBST([GLIBC21])
+ GLIBC21="$ac_cv_gnu_library_2_1"
+ ]
+)