games-emulation/sdlmame: fix compile when qt5 isn't installed (bug #581972)

Package-Manager: portage-2.2.26

games-emulation/sdlmame/files/sdlmame-0.173-qt.patch

@@ -0,0 +1,29 @@
+No point in adding qt-related things to the compile line unless the qt debugger is wanted
+
+--- scripts/src/osd/sdl_cfg.lua.orig
++++ scripts/src/osd/sdl_cfg.lua
+@@ -115,14 +115,16 @@
+ 	configuration { }
+ 
+ elseif _OPTIONS["targetos"]=="linux" then
+-	if _OPTIONS["QT_HOME"]~=nil then
+-		buildoptions {
+-			"-I" .. backtick(_OPTIONS["QT_HOME"] .. "/bin/qmake -query QT_INSTALL_HEADERS"),
+-		}
+-	else
+-		buildoptions {
+-			backtick("pkg-config --cflags Qt5Widgets"),
+-		}
++	if _OPTIONS["USE_QTDEBUG"]=="1" then
++		if _OPTIONS["QT_HOME"]~=nil then
++			buildoptions {
++				"-I" .. backtick(_OPTIONS["QT_HOME"] .. "/bin/qmake -query QT_INSTALL_HEADERS"),
++			}
++		else
++			buildoptions {
++				backtick("pkg-config --cflags Qt5Widgets"),
++			}
++		end
+ 	end
+ elseif _OPTIONS["targetos"]=="macosx" then
+ 	defines {

games-emulation/sdlmame/sdlmame-0.173.ebuild

@@ -73,6 +73,7 @@ src_unpack() {
 }
 
 src_prepare() {
+	epatch "${FILESDIR}"/${P}-qt.patch
 	# Disable using bundled libraries
 	enable_feature USE_SYSTEM_LIB_EXPAT
 	enable_feature USE_SYSTEM_LIB_FLAC