--- Makefile	(revision 498908)
+++ Makefile	(working copy)
@@ -61,7 +61,9 @@ 
 RTDIR=		${PREFIX}/libdata/${PORTNAME}
 
 OPTIONS_DEFINE=		DOCS OPTIMIZED_CFLAGS OPENMP NATIVE
-OPTIONS_DEFAULT=	OPTIMIZED_CFLAGS OPENMP
+OPTIONS_DEFAULT=	OPTIMIZED_CFLAGS
+OPTIONS_DEFAULT_amd64=	OPENMP
+OPTIONS_DEFAULT_i386=	OPENMP
 OPENMP_DESC=		Enable OpenMP parallel processing (i386/amd64 only)
 OPTIMIZED_CFLAGS_DESC=	Use extra optimizations (needs SSE2 on i386/amd64)
 NATIVE_DESC=		Use -march=native (avoid for generic packages!)