config.gcc (need_64bit_hwint): Document libcpp dependency.

2008-05-02  David S. Miller  <davem@davemloft.net>

	* config.gcc (need_64bit_hwint): Document libcpp dependency.

From-SVN: r134898

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f33e88cfdb501ff192c934a1e36781c5ed25914d..02055e57e0d6443156cbee0fe055c8277fc8d544 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2008-05-02  David S. Miller  <davem@davemloft.net>
+
+       * config.gcc (need_64bit_hwint): Document libcpp dependency.
+
 2008-05-02  Simon Baldwin <simonb@google.com>
 
        PR bootstrap/36108

diff --git a/gcc/config.gcc b/gcc/config.gcc
index c951000ccaf8fccbe32bb6d307a1044708dffc45..00cd60c0244327aa9e6161d4d0ec0f3c62a0adc3 100644 (file)
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -141,6 +141,8 @@
 #  need_64bit_hwint    Set to yes if HOST_WIDE_INT must be 64 bits wide
 #                      for this target.  This is true iff this target
 #                      supports "long" or "wchar_t" wider than 32 bits.
+#                      The setting made here must match the one made in
+#                      other locations such as libcpp/configure.ac
 #
 #  configure_default_options
 #                      Set to an initializer for configure_default_options