Changes to m4/ChangeLog,v

[Eric Blake]

CVSROOT:        /sources/m4
Module name:    m4
Changes by:     Eric Blake <ericb>      07/10/09 20:06:52

Index: ChangeLog
===================================================================
RCS file: /sources/m4/m4/ChangeLog,v
retrieving revision 1.552
retrieving revision 1.553
diff -u -b -r1.552 -r1.553
--- ChangeLog   2 Oct 2007 22:20:01 -0000       1.552
+++ ChangeLog   9 Oct 2007 20:06:51 -0000       1.553
@@ -1,3 +1,20 @@
+2007-10-09  Eric Blake  <address@hidden>
+
+       Cache regex compilation for another autoconf speedup.
+       * modules/gnu.c (gnu_buf): Replace...
+       (REGEX_CACHE_SIZE, regex_cache): ...with new declarations.
+       (m4_pattern_buffer): Add fields.
+       (m4_regexp_compile): Rename...
+       (regexp_compile): ...to this, and drop no_sub parameter.
+       Implement caching.
+       (M4FINISH_HANDLER): Clean up entire cache.
+       (m4_regexp_search): Rename...
+       (regex_search): ...to this, adjust to new struct contents, and add
+       no_sub parameter.
+       (m4_regexp_substitute): Rename...
+       (regexp_substitute): ...to this.
+       (substitute, patsubst, regexp, renamesyms): Adjust callers.
+
 2007-10-02  Eric Blake  <address@hidden>
 
        Document quoting pitfalls in capitalize.
@@ -9277,7 +9294,7 @@
 
        -----
 
-       $Revision: 1.552 $ $Date: 2007/10/02 22:20:01 $
+       $Revision: 1.553 $ $Date: 2007/10/09 20:06:51 $
 
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