From 8182d08a449c1c3cdc779631f9dfd3312e1b816b Mon Sep 17 00:00:00 2001
From: Francesco Chemolli <kinkie@squid-cache.org>
Date: Thu, 5 Nov 2009 17:25:32 +0100
Subject: [PATCH] Enable configure cache during test-suite runs

Added to test-build.sh the command-line switch --use-config-cache,
which causes the various unit test runs to share the config.cache.
The cache is NOT reused across different test-builds invocations.
---
 test-builds.sh          | 11 +++++++++++
 test-suite/buildtest.sh |  8 +++++++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/test-builds.sh b/test-builds.sh
index 8aaf47b476..bd25d39669 100755
--- a/test-builds.sh
+++ b/test-builds.sh
@@ -23,6 +23,12 @@ while [ $# -ge 1 ]; do
 	keepGoing="yes"
 	shift
 	;;
+    --use-config-cache)
+        #environment variable will be picked up by buildtest.sh
+        cache_file=/tmp/config.cache.$$
+        export cache_file
+        shift
+        ;;
     *)
     	break
 	;;
@@ -105,6 +111,11 @@ buildtest() {
     fi
 }
 
+# if using cache, make sure to clear it up first
+if [ -n "$cache_file" -a -e "$cache_file" ]; then
+    rm $cache_file
+fi
+
 # Decide what tests to run, $* contains test spec names or filenames.
 # Use all knows specs if $* is empty or a special macro called 'all'.
 if test -n "$*" -a "$*" != all; then
diff --git a/test-suite/buildtest.sh b/test-suite/buildtest.sh
index d71fab3dbc..452fd2741b 100755
--- a/test-suite/buildtest.sh
+++ b/test-suite/buildtest.sh
@@ -9,6 +9,12 @@
 config="${1}"
 base="`dirname ${0}`"
 
+# cache_file may be set by environment variable
+configcache=""
+if [ -n "$cache_file" ]; then
+    configcache="--cache-file=$cache_file"
+fi
+
 #if we are on Linux, let's try parallelizing
 if [ -z "$pjobs" -a -e /proc/cpuinfo ]; then
     ncpus=`grep '^processor' /proc/cpuinfo | tail -1|awk '{print $3}'`
@@ -45,7 +51,7 @@ fi
 # above command currently encounters dependancy problems on cleanup.
 #
 # do not build any of the install's ...
-	$base/../configure ${OPTS} 2>&1 &&
+	$base/../configure ${OPTS} ${configcache} 2>&1 &&
 	make ${pjobs} ${MAKETEST} 2>&1
 
 # Remember and then explicitly return the result of the last command
-- 
2.39.5