From 45bbdcc57cdd1e95d3c7cb06bbdd70bcc244a1e2 Mon Sep 17 00:00:00 2001
From: David Shaw <dshaw@jabberwocky.com>
Date: Wed, 28 Jan 2004 01:00:53 +0000
Subject: * NEWS: Note --enable-key-cache, the OpenBSD/i386 and HPPA fixes, and
 Elgamal removal.

* README, configure.ac: Add --enable-key-cache=SIZE configure option.
This sets the key/uid cache size.  Default is 4096.
---
 ChangeLog    |  8 ++++++++
 NEWS         |  6 ++++++
 README       |  7 +++++++
 configure.ac | 29 +++++++++++++++++++++++++++--
 4 files changed, 48 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 592e92593..0e606e510 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2004-01-27  David Shaw  <dshaw@jabberwocky.com>
+
+	* NEWS: Note --enable-key-cache, the OpenBSD/i386 and HPPA fixes,
+	and Elgamal removal.
+
+	* README, configure.ac: Add --enable-key-cache=SIZE configure
+	option.  This sets the key/uid cache size.  Default is 4096.
+
 2004-01-11  David Shaw  <dshaw@jabberwocky.com>
 
 	* configure.ac: Include stdio.h when checking for bzlib.h. Solaris
diff --git a/NEWS b/NEWS
index 323279d96..9f9917551 100644
--- a/NEWS
+++ b/NEWS
@@ -6,6 +6,12 @@ Noteworthy changes in version 1.3.5 (unreleased)
       embedded use where space is tight.  --enable-minimal includes
       --disable-rsa.
 
+    * Some performance improvements with large keyrings.
+
+    * Some portability fixes for the OpenBSD/i386 and HPPA platforms.
+
+    * The last support for Elgamal sign+encrypt keys has been removed.
+
 
 Noteworthy changes in version 1.3.4 (2003-11-27)
 ------------------------------------------------
diff --git a/README b/README
index 5cf230297..eac5643f6 100644
--- a/README
+++ b/README
@@ -584,6 +584,13 @@
 		    example) "--enable-minimal --enable-rsa" to have
 		    RSA added to the minimal build.
 
+     --enable-key-cache=SIZE
+                    Set the internal key and UID cache size.  This has
+                    a significant impact on performance with large
+                    keyrings.  The default is 4096, but for use on
+                    platforms where memory is an issue, it can be set
+                    as low as 5.
+
 
     Installation Problems
     ---------------------
diff --git a/configure.ac b/configure.ac
index e8d9eaf87..d813c6b74 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 dnl Configure.ac script for GnuPG
-dnl Copyright (C) 1998, 1999, 2000, 2001, 2002,
-dnl               2003 Free Software Foundation, Inc.
+dnl Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003
+dnl               2004 Free Software Foundation, Inc.
 dnl
 dnl This file is part of GnuPG.
 dnl
@@ -308,6 +308,31 @@ AC_ARG_WITH(included-zlib,
 [g10_force_zlib=yes], [g10_force_zlib=no] )
 AC_MSG_RESULT($g10_force_zlib)
 
+dnl
+dnl Check for the key/uid cache size.  This can't be zero, but can be
+dnl pretty small on embedded systems.
+dnl
+AC_MSG_CHECKING([for the size of the key and uid cache])
+AC_ARG_ENABLE(key-cache,
+	AC_HELP_STRING([--enable-key-cache=SIZE],[Set key cache to SIZE (default 4096)]),,enableval=4096)
+
+if test "$enableval" = "no"; then
+   enableval=5
+elif test "$enableval" = "yes" || test "$enableval" = ""; then
+   enableval=4096
+fi
+
+changequote(,)dnl
+key_cache_size=`echo "$enableval" | sed 's/[A-Za-z]//g'`
+changequote([,])dnl
+
+if test "$enableval" != "$key_cache_size" || test "$key_cache_size" -lt 5; then
+   AC_MSG_ERROR([invalid key-cache size])
+fi
+
+AC_MSG_RESULT($key_cache_size)
+AC_DEFINE_UNQUOTED(PK_UID_CACHE_SIZE,$key_cache_size,[Size of the key and UID caches])
+
 dnl
 dnl Check whether we want to use Linux capabilities
 dnl
-- 
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