X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fmemmem.m4;h=e3bb83bc05abf5fad745b3483e6291ef6cebf9fc;hb=5762122bbc691d3c62f9a9c226d3388c4421db58;hp=7df132e102055d6190b3c64c8aaeb3e7edff4bf4;hpb=3e464b4c6a6db9ca2e186b47fe2b72780bdd60e7;p=gnulib.git

diff --git a/m4/memmem.m4 b/m4/memmem.m4
index 7df132e10..e3bb83bc0 100644
--- a/m4/memmem.m4
+++ b/m4/memmem.m4
@@ -1,4 +1,4 @@
-# memmem.m4 serial 20
+# memmem.m4 serial 21
 dnl Copyright (C) 2002, 2003, 2004, 2007, 2008, 2009, 2010 Free Software
 dnl Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
@@ -29,14 +29,17 @@ AC_DEFUN([gl_FUNC_MEMMEM_SIMPLE],
     ]])],
         [gl_cv_func_memmem_works_always=yes],
         [gl_cv_func_memmem_works_always=no],
-        [dnl glibc 2.12 and cygwin 1.7.7 have a known bug.  Assume that it
-         dnl works on all other platforms, even if it is not linear.
+        [dnl glibc 2.12 and cygwin 1.7.7 have a known bug.  uClibc is not
+         dnl affected, since it uses different source code for memmem than
+         dnl glibc.
+         dnl Assume that it works on all other platforms, even if it is not
+         dnl linear.
          AC_EGREP_CPP([Lucky user],
            [
 #ifdef __GNU_LIBRARY__
  #include <features.h>
  #if ((__GLIBC__ == 2 && __GLIBC_MINOR__ > 12) || (__GLIBC__ > 2)) \
-     && !defined __UCLIBC__
+     || defined __UCLIBC__
   Lucky user
  #endif
 #elif defined __CYGWIN__