diff -up webrtc-audio-processing-0.2/configure.ac.x86_sse2 webrtc-audio-processing-0.2/configure.ac
--- webrtc-audio-processing-0.2/configure.ac.x86_sse2	2015-11-04 01:49:34.000000000 -0600
+++ webrtc-audio-processing-0.2/configure.ac	2016-05-16 12:27:16.640796437 -0500
@@ -56,6 +56,11 @@ AS_CASE(["${host}"],
 AC_SUBST(PLATFORM_CFLAGS)
 
 AS_CASE(["${host_cpu}"],
+    [i?86],
+        [
+         HAVE_X86=1
+         ARCH_CFLAGS="-msse2"
+        ],
     [i?86|x86_64],
         [
          HAVE_X86=1