Index: head/audio/speexdsp/Makefile
===================================================================
--- head/audio/speexdsp/Makefile
+++ head/audio/speexdsp/Makefile
@@ -14,4 +14,10 @@
 USES=		libtool pathfix
 USE_LDCONFIG=	yes
 
+.include <bsd.port.options.mk>
+
+.if ${ARCH} == "aarch64"
+CONFIGURE_ARGS+=--disable-neon
+.endif
+
 .include <bsd.port.mk>