From f1514641ee8263503e59654fc46856364a96e144 Mon Sep 17 00:00:00 2001
From: Jordi Vilalta Prat
Date: Wed, 7 May 2008 01:15:46 +0000
Subject: Reject invalid option combinations when enabling/disabling engines

svn-id: r31914
---
 configure | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/configure b/configure
index 134bec4c08..ea627e4fd8 100755
--- a/configure
+++ b/configure
@@ -373,6 +373,13 @@ engine_enable() {
 		opt=yes
 	fi
 	engine=`echo $eng | sed 's/-/_/g'`
+
+	# Filter the parameter for the subengines
+	if test "`get_engine_sub ${engine}`" != "no" -a "$opt" != "yes" ; then
+		option_error
+		return
+	fi
+
 	if test "$opt" = "static" -o "$opt" = "dynamic" -o "$opt" = "yes" ; then
 		if test "`get_engine_name ${engine}`" != "" -a "`get_engine_build ${engine}`" != "$opt" ; then
 			eval _engine_${engine}_build=$opt
@@ -386,6 +393,12 @@ engine_enable() {
 
 # Disable the given engine
 engine_disable() {
+	# Filter malformed options
+	if ( echo $1 | grep '=' ) 2> /dev/null > /dev/null ; then
+		option_error
+		return
+	fi
+
 	engine=`echo $1 | sed 's/-/_/g'`
 	if test "`get_engine_name ${engine}`" != "" -a "`get_engine_build $engine`" != "no" ; then
 		eval _engine_${engine}_build=no
-- 
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