From 6f6a0abab94af8ed716a2a96d218633ff289b3ff Mon Sep 17 00:00:00 2001
From: sdong <siying.d@fb.com>
Date: Tue, 9 Jan 2018 14:07:36 -0800
Subject: [PATCH] Remove GCC parameter "-march=native" for ARM

Summary: Most popular versions of GCC can't identify platform on ARM if "-march=native" is specified. Remove it to unblock most people.

Test Plan: Build in most of ARM and x86
---
 build_tools/build_detect_platform | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/build_tools/build_detect_platform b/build_tools/build_detect_platform
index 123c1ed86ae..02dc4963270 100755
--- a/build_tools/build_detect_platform
+++ b/build_tools/build_detect_platform
@@ -481,6 +481,9 @@ if test -z "$PORTABLE"; then
     COMMON_FLAGS="$COMMON_FLAGS -mcpu=$POWER -mtune=$POWER "
   elif test -n "`echo $TARGET_ARCHITECTURE | grep ^s390x`"; then
     COMMON_FLAGS="$COMMON_FLAGS -march=z10 "
+  elif test -n "`echo $TARGET_ARCHITECTURE | grep ^arm`"; then
+    # TODO: Handle this with approprite options.
+    COMMON_FLAGS="$COMMON_FLAGS"
   elif [ "$TARGET_OS" != AIX ] && [ "$TARGET_OS" != SunOS ]; then
     COMMON_FLAGS="$COMMON_FLAGS -march=native "
   elif test "$USE_SSE"; then