From 6613331459351489436d9f91129a47750a46020f Mon Sep 17 00:00:00 2001
From: Tom Tsou <tom.tsou@ettus.com>
Date: Mon, 18 May 2015 16:26:33 -0700
Subject: build: Provide option for disabling SSE autodetection

Setup '--with-sse' option to check system capabilities by default, but
allow disabling by the user. Selective SSE build options can be
controlled by the user by defining specific HAVE_SSE options.

Signed-off-by: Tom Tsou <tom.tsou@ettus.com>
---
 configure.ac | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index b2fe1e9..0a64dee 100644
--- a/configure.ac
+++ b/configure.ac
@@ -78,6 +78,11 @@ AC_ARG_WITH(neon-vfpv4, [
         [enable ARM NEON FMA support])
 ])
 
+AC_ARG_WITH(sse, [
+    AS_HELP_STRING([--with-sse],
+        [enable x86 SSE support (default)])
+])
+
 AS_IF([test "x$with_neon" = "xyes"], [
     AC_DEFINE(HAVE_NEON, 1, Support ARM NEON)
 ])
@@ -101,7 +106,9 @@ AS_IF([test "x$with_singledb" = "xyes"], [
 ])
 
 # Find and define supported SIMD extensions
-AX_EXT
+AS_IF([test "x$with_sse" != "xno"], [
+    AX_EXT
+])
 
 AM_CONDITIONAL(USRP1, [test "x$with_usrp1" = "xyes"])
 AM_CONDITIONAL(ARCH_ARM, [test "x$with_neon" = "xyes" || test "x$with_neon_vfpv4" = "xyes"])
-- 
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