OpenAL: some sanity fixes

* Fix various install pathes
* Use out-of-source build as specified in OpenAL readme, as otherwise
rebuilding from an unclean sourcetree fails
* Safer patching of the binary output dir.

media-libs/openal/openal-1.13.0.recipe

@@ -5,7 +5,7 @@ OpenAL - A software implementation of the OpenAL 3D audio API.
 HOMEPAGE="http://kcat.strangesoft.net/openal.html" 
 SRC_URI="http://kcat.strangesoft.net/openal-releases/openal-soft-1.13.tar.bz2"
 CHECKSUM_MD5="58b7d2809790c70681b825644c5f3614"
-REVISION="1"
+REVISION="2"
 LICENSE="GNU LGPL v2.1"
 COPYRIGHT="1999-2000 Loki Software
 	2005-2011 OpenAL Soft team"
@@ -34,24 +34,26 @@ BUILD_PREREQUIRES="
 	"
 
 SOURCE_DIR="openal-soft-1.13"
-        
+
+PATCHES="openal-1.13.0.patchset"
 BUILD()
 {
-	sed -i "s,RUNTIME DESTINATION bin,RUNTIME DESTINATION $relativeBinDir," CMakeLists.txt
-	cmake . -DCMAKE_INSTALL_PREFIX=$prefix \
-		-DLIB_SUFFIX="/${secondaryArchSuffix/_/}"
+	cd build
+	cmake .. -DCMAKE_INSTALL_PREFIX=$prefix -DBIN_DIR="$relativeBinDir" \
+		-DLIB_SUFFIX="/${secondaryArchSuffix/_/}" 
 	make $jobArgs
 }
 
 INSTALL()
 {
+	cd build
 	make install
 	
 	mkdir -p $developDir/headers
-	mkdir -p $binDir
-	mv $prefix/include $developDir/headers
-	
-	prepareInstalledDevelLibs libopenal
+	mv $prefix/include/* $developDir/headers
+	rmdir $prefix/include
+
+	prepareInstalledDevelLib libopenal
 	fixPkgconfig
 	
 	# devel package