Index: head/graphics/darktable/Makefile
===================================================================
--- head/graphics/darktable/Makefile
+++ head/graphics/darktable/Makefile
@@ -29,8 +29,8 @@
 LDFLAGS+=	-L${LOCALBASE}/lib -lintl
 
 OPTIONS_DEFINE=	COLORD DOCS FB_PICASA FLICKR GEO GNOMEKEYRING GPHOTO	\
-		GRAPHMAGICK LIBSECRET LUA NLS OPENEXR OPENJPEG OPENMP	\
-		RAWSPEED SLIDESHOW SQUISH WEBP
+		GRAPHMAGICK LIBSECRET LUA NLS OPENEXR OPENJPEG RAWSPEED	\
+		SLIDESHOW SQUISH WEBP
 
 GEO_DESC=	Support geotagging
 FB_PICASA_DESC=	Support export to Facebook and Picasa
@@ -40,7 +40,7 @@
 SLIDESHOW_DESC=	Build OpenGL/SDL slideshow viewer
 
 OPTIONS_DEFAULT=COLORD FB_PICASA FLICKR GEO GPHOTO LUA NLS OPENEXR	\
-		OPENJPEG OPENMP RAWSPEED SLIDESHOW SQUISH WEBP
+		OPENJPEG RAWSPEED SLIDESHOW SQUISH WEBP
 OPTIONS_SUB=	yes
 
 CMAKE_ARGS+=	-DBINARY_PACKAGE_BUILD=1
@@ -98,7 +98,7 @@
 
 .include <bsd.port.pre.mk>
 
-.if ${PORT_OPTIONS:MOPENMP} && ${COMPILER_TYPE} == clang
+.if ${ARCH} == amd64 && ${COMPILER_TYPE} == clang
 # Enable OpenMP support with Clang 3.7.
 BUILD_DEPENDS+=	clang37:${PORTSDIR}/devel/llvm37
 RUN_DEPENDS+=	clang37:${PORTSDIR}/devel/llvm37