* lib/autoconf/types.m4 (_AC_TYPE_LONG_LONG_SNIPPET): Make comment match

gnulib.

diff --git a/ChangeLog b/ChangeLog
index e81f386718fb462d581d69d2b3de521c8ace3e35..1e6baa41ad398851bc8f631cc7befd6335759c82 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-11-14  Paul Eggert  <eggert@cs.ucla.edu>
+
+       * lib/autoconf/types.m4 (_AC_TYPE_LONG_LONG_SNIPPET): Make comment match
+       gnulib.
+
 2007-11-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
        * lib/autoconf/status.m4: Fix a couple of comment typos.

diff --git a/lib/autoconf/types.m4 b/lib/autoconf/types.m4
index 6f03738032b48eda203f8b5ed246bb5675cb2e39..866e514145a4e0d2a1573772077812df6ca2ccbb 100644 (file)
--- a/lib/autoconf/types.m4
+++ b/lib/autoconf/types.m4
@@ -475,7 +475,11 @@ You should use `AC_TYPE_LONG_DOUBLE' or `AC_TYPE_LONG_DOUBLE_WIDER' instead.]
 AC_DEFUN([_AC_TYPE_LONG_LONG_SNIPPET],
 [
   AC_LANG_PROGRAM(
-    [[/* Test literals.  */
+    [[/* For now, do not test the preprocessor; as of 2007 there are too many
+        implementations with broken preprocessors.  Perhaps this can
+        be revisited in 2012.  In the meantime, code should not expect
+        #if to work with literals wider than 32 bits.  */
+      /* Test literals.  */
       long long int ll = 9223372036854775807ll;
       long long int nll = -9223372036854775807LL;
       unsigned long long int ull = 18446744073709551615ULL;