graphics/lensfun: enable tests only on amd64 and i386

Tests use SSE code, so they break during compilation on non-SSE architectures.

graphics/lensfun/Makefile

@@ -22,8 +22,7 @@ SHEBANG_FILES=	apps/lensfun-add-adapter apps/lensfun-convert-lcp \
 		apps/lensfun-update-data
 USE_GNOME=	glib20
 USE_LDCONFIG=	yes
-CMAKE_ARGS=	-DBUILD_AUXFUN:BOOL=ON -DBUILD_LENSTOOL:BOOL=ON \
-		-DBUILD_TESTS:BOOL=ON
+CMAKE_ARGS=	-DBUILD_AUXFUN:BOOL=ON -DBUILD_LENSTOOL:BOOL=ON
 MAKE_ENV+=	PYTHONDONTWRITEBYTECODE= PYTHONOPTIMIZE=
 
 OPTIONS_DEFINE=	SIMD PYHELPERS
@@ -38,6 +37,12 @@ PYHELPERS_CMAKE_ON=	-DSTAGEDIR:STRING=${STAGEDIR} -DPYTHON:STRING=${PYTHON_CMD}
 PYHELPERS_CMAKE_OFF=	-DINSTALL_HELPER_SCRIPTS:BOOL=OFF -DPYTHON:STRING=IGNORE
 PYHELPERS_USES=		python:3.4+
 
+.include <bsd.port.options.mk>
+
+.if ${ARCH} == amd64 || ${ARCH} == i386
+CMAKE_ARGS+=	-DBUILD_TESTS:BOOL=ON
+.endif
+
 post-patch:
 	@${REINPLACE_CMD} -e '/#include <cmath>/ { x; s/^/#include <clocale>/; G; }' \
 		${WRKSRC}/tests/test_modifier_coord_centering_old.cpp \