Add the architecture to the shared compile flags in configure.

configure

diff --git a/configure b/configure
index 05bee1f..fa53983 100755
--- a/configure
+++ b/configure
@@ -244,6 +244,7 @@
   SFLAGS="${CFLAGS--O3}"
   if test "$ARCHS"; then
     CFLAGS="${CFLAGS} ${ARCHS}"
+    SFLAGS="${SFLAGS} ${ARCHS}"
     LDFLAGS="${LDFLAGS} ${ARCHS}"
   fi
   if test $build64 -eq 1; then