diff -Naur speexdsp-1.2rc3.orig/configure.ac speexdsp-1.2rc3/configure.ac
--- speexdsp-1.2rc3.orig/configure.ac	2016-12-12 20:04:48.710853453 -0800
+++ speexdsp-1.2rc3/configure.ac	2016-12-12 20:05:07.588052415 -0800
@@ -151,10 +151,17 @@
 AC_ARG_ENABLE(sse, [  --enable-sse            Enable SSE support], [
 if test "x$enableval" != xno; then
 has_sse=yes
-has_sse2=yes
-CFLAGS="$CFLAGS -O3 -msse -msse2"
+CFLAGS="$CFLAGS -msse"
 else
 has_sse=no
+fi
+])
+
+AC_ARG_ENABLE(sse2, [  --enable-sse2           Enable SSE2 support], [
+if test "x$enableval" != xno; then
+has_sse2=yes
+CFLAGS="$CFLAGS -msse2"
+else
 has_sse2=no
 fi
 ])
@@ -162,7 +169,7 @@
 AC_ARG_ENABLE(neon, [  --enable-neon           Enable NEON support], [
 if test "x$enableval" != xno; then
 has_neon=yes
-CFLAGS="$CFLAGS -O3 -march=armv7-a -mfpu=neon"
+CFLAGS="$CFLAGS -mfpu=neon"
 else
 has_neon=no
 fi
diff -Naur speexdsp-1.2rc3.orig/libspeexdsp/Makefile.am speexdsp-1.2rc3/libspeexdsp/Makefile.am
--- speexdsp-1.2rc3.orig/libspeexdsp/Makefile.am	2016-12-12 20:04:48.690853242 -0800
+++ speexdsp-1.2rc3/libspeexdsp/Makefile.am	2016-12-12 20:08:27.740161974 -0800
@@ -29,7 +29,7 @@
 	pseudofloat.h smallft.h vorbis_psy.h resample_sse.h resample_neon.h
 
 libspeexdsp_la_LDFLAGS = -no-undefined -version-info @SPEEXDSP_LT_CURRENT@:@SPEEXDSP_LT_REVISION@:@SPEEXDSP_LT_AGE@
-libspeexdsp_la_LIBADD = $(LIBM)
+libspeexdsp_la_LIBADD = $(LIBM) $(FFT_LIBS)
 
 if BUILD_EXAMPLES
 noinst_PROGRAMS = testdenoise testecho testjitter testresample