Index: x11/polybar/Makefile
===================================================================
--- x11/polybar/Makefile
+++ x11/polybar/Makefile
@@ -20,7 +20,8 @@
 		libxcb-util.so:x11/xcb-util \
 		libxcb-xrm.so:x11/xcb-util-xrm
 
-USES=		cmake compiler:c++11-lang localbase:ldflags \
+# compiler:c++11-lang is needed for powerpc64
+USES=		cmake compiler:c++11-lang gnome localbase:ldflags \
 		pkgconfig python:2.7,build
 USE_GITHUB=	yes
 GH_ACCOUNT=	jaagr
@@ -76,6 +77,13 @@
 
 XKEYBOARD_CMAKE_BOOL=	ENABLE_XKEYBOARD
 XKEYBOARD_LIB_DEPENDS=	libxcb-xkb.so:x11/libxcb
+
+CONFIGURE_ENV+=		PYTHONDONTWRITEBYTECODE=NOPYC
+MAKE_ENV+=		PYTHONDONTWRITEBYTECODE=NOPYC
+
+#post-patch:
+#	${REINPLACE_CMD} -e 's|python2 python2.7 python3 python|${PYTHON_VERSION}|g' \
+		${WRKSRC}/lib/xpp/CMakeLists.txt
 
 do-test-TESTS-on:
 	cd ${TEST_WRKSRC} && ${SETENV} BUILD_TESTS=ON \
Index: x11/polybar/files/patch-lib_xpp_CMakeLists.txt
===================================================================
--- /dev/null
+++ x11/polybar/files/patch-lib_xpp_CMakeLists.txt
@@ -0,0 +1,11 @@
+--- lib/xpp/CMakeLists.txt.orig	2019-01-07 11:33:47 UTC
++++ lib/xpp/CMakeLists.txt
+@@ -48,7 +48,7 @@ set(XPP_LIBRARIES
+ #
+ # Loop through a hardcoded list of python executables to locate the python module "xcbgen"
+ #
+-foreach(CURRENT_EXECUTABLE python2 python2.7 python3 python)
++foreach(CURRENT_EXECUTABLE python2 python2.7 python3 python3.5 python3.6 python3.7 python)
+   message(STATUS "Searching for xcbgen with " ${CURRENT_EXECUTABLE})
+ 
+   execute_process(COMMAND "${CURRENT_EXECUTABLE}" "-c"