Index: head/graphics/inkscape/Makefile
===================================================================
--- head/graphics/inkscape/Makefile
+++ head/graphics/inkscape/Makefile
@@ -71,6 +71,18 @@
 CPPFLAGS+=	-Wno-mismatched-tags -Wno-unknown-attributes
 .endif
 
+# Base clang 3.4.1 in FreeBSD 9.3 fails to compile this code on i386
+# but base clang 3.4.1 in FreeBSD 10.1 succeeds.  The difference *appears*
+# to be the patch applied in r271597 (head) / r271739 (stable/10).  The
+# latter happened shortly before 10.1 was branched.
+.if ${ARCH} == i386 && ${OPSYS} == FreeBSD && ${OSVERSION} < 1001000 && \
+    ( ${COMPILER_TYPE} == clang || ${ALT_COMPILER_TYPE} == clang )
+BUILD_DEPENDS+=	clang34:${PORTSDIR}/lang/clang34
+CPP=    ${LOCALBASE}/bin/clang-cpp34
+CC=     ${LOCALBASE}/bin/clang34
+CXX=    ${LOCALBASE}/bin/clang++34
+.endif
+
 post-patch:
 	@${REINPLACE_CMD} -e 's|-ldl||g' \
 	    	${WRKSRC}/configure