X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fulonglong.m4;h=1da8b809e9537b0ea8c6af8e9a5ca683ba74d34e;hb=455b3a9a5e1861152fe403dea25636586d256544;hp=44f7ce360325e5ef8644e267538ab6f9ec0e1a68;hpb=f08789da565b68a77bd325863b9b31d9dbaf3f14;p=gnulib.git

diff --git a/m4/ulonglong.m4 b/m4/ulonglong.m4
index 44f7ce360..1da8b809e 100644
--- a/m4/ulonglong.m4
+++ b/m4/ulonglong.m4
@@ -1,17 +1,25 @@
-#serial 3
+# ulonglong.m4 serial 3
+dnl Copyright (C) 1999-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
 
 dnl From Paul Eggert.
 
+# Define HAVE_UNSIGNED_LONG_LONG if 'unsigned long long' works.
+
 AC_DEFUN([jm_AC_TYPE_UNSIGNED_LONG_LONG],
 [
   AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
-  [AC_TRY_LINK([unsigned long long ull = 1; int i = 63;],
+  [AC_TRY_LINK([unsigned long long ull = 1ULL; int i = 63;],
     [unsigned long long ullmax = (unsigned long long) -1;
      return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
     ac_cv_type_unsigned_long_long=yes,
     ac_cv_type_unsigned_long_long=no)])
   if test $ac_cv_type_unsigned_long_long = yes; then
     AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1,
-      [Define if you have the unsigned long long type.])
+      [Define if you have the 'unsigned long long' type.])
   fi
 ])