Properly all compileall.py.

Do it like we already do in devel/py-qt4-core: call compileall.py with -d so
that the .pyc and .pyo files do not have ${STAGEDIR} in them.

While at it, also call python with -O to generate .pyo files.

misc/py-qt4-demo/Makefile

@@ -3,6 +3,7 @@
 
 PORTNAME=	demo
 PORTVERSION=	${PYQT4_VERSION}
+PORTREVISION=	1
 PORTEPOCH=	1
 CATEGORIES=	misc devel python
 MASTER_SITES=	${MASTER_SITES_PYQT4}
@@ -14,6 +15,7 @@ COMMENT=	Python bindings for the Qt4 toolkit, Qt demo and examples
 
 DISTINFO_FILE=	${PYQT4_DISTINFO_FILE}
 
+NO_BUILD=	yes
 USES=		python pyqt:4
 
 EXAMPLESDIR=	${PREFIX}/share/examples/py-qt4
@@ -24,12 +26,17 @@ USE_PYQT=	assistant_run core_run dbus_run dbussupport_run declarative_run \
 		script_run scripttools_run sql_run svg_run test_run webkit_run xml_run \
 		xmlpatterns_run sip_run qscintilla2_run
 
-do-build:
-	${PYTHON_CMD} ${PYTHON_LIBDIR}/compileall.py ${WRKSRC}/examples
-
 do-install:
 	${RM} -f ${WRKSRC}/examples/designer/plugins/plugins.py.orig
 	${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	cd ${WRKSRC}/examples && ${COPYTREE_SHARE} \* ${STAGEDIR}${EXAMPLESDIR}
 
+post-install:
+	${PYTHON_CMD} ${PYTHON_LIBDIR}/compileall.py \
+		-f -d ${PYTHONPREFIX_SITELIBDIR} \
+		${STAGEDIR}${EXAMPLESDIR}
+	${PYTHON_CMD} -O ${PYTHON_LIBDIR}/compileall.py \
+		-f -d ${PYTHONPREFIX_SITELIBDIR} \
+		${STAGEDIR}${EXAMPLESDIR}
+
 .include <bsd.port.mk>