Index: Makefile
===================================================================
--- Makefile	(revision 510321)
+++ Makefile	(working copy)
@@ -20,6 +20,9 @@
 GH_ACCOUNT=	cseed
 GH_TAGNAME=	840bdfdeb38809f9f6af4d89dd7b22959b176fdd
 
+CFLAGS+=	${CFLAGS_${CHOSEN_COMPILER_TYPE}}
+CFLAGS_gcc=	-Wno-error=pessimizing-move
+
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/arachne-pnr