allegro, move docs to develop package (#9113)

media-libs/allegro/allegro-4.4.3.1.recipe

@@ -13,7 +13,7 @@ but has since received contributions from hundreds of people over the net."
 HOMEPAGE="https://liballeg.org/"
 COPYRIGHT="1998-2019 Shawn Hargreaves et al."
 LICENSE="Allegro"
-REVISION="1"
+REVISION="2"
 SOURCE_URI="https://github.com/liballeg/allegro5/releases/download/$portVersion/allegro-$portVersion.tar.gz"
 CHECKSUM_SHA256="ec19dbc9a021244582b4819b3583ee594b50141f9fcf6944a4ed8069cbf8d4d4"
 PATCHES="allegro-$portVersion.patchset"
@@ -99,15 +99,19 @@ BUILD_PREREQUIRES="
 
 BUILD()
 {
-	cmake . -DCMAKE_INSTALL_PREFIX=$prefix -DDOCDIR=$docDir \
-		-DMANDIR=$manDir -DLIB_SUFFIX=$secondaryArchSubDir \
-		-DWANT_TESTS=OFF -DWANT_EXAMPLES=OFF
-	make $jobArgs
+	cmake -Bbuild -S. -DCMAKE_BUILD_TYPE=Release \
+		-DCMAKE_INSTALL_PREFIX=$prefix \
+		-DDOCDIR=$docDir \
+		-DMANDIR=$manDir \
+		-DLIB_SUFFIX=$secondaryArchSubDir \
+		-DWANT_TESTS=OFF \
+		-DWANT_EXAMPLES=OFF
+	make -C build $jobArgs
 }
 
 INSTALL()
 {
-	make install
+	make -C build install
 
 	prepareInstalledDevelLibs liballeg liballeggl \
 		libjpgalleg libloadpng liblogg
@@ -115,7 +119,8 @@ INSTALL()
 
 	packageEntries devel \
 		$binDir/allegro-config \
-		$developDir
+		$developDir \
+		$documentationDir
 	packageEntries tools \
 		$binDir/
 }