From 322fac63ee4baad6c8be45ef7fbd196de17add93 Mon Sep 17 00:00:00 2001
From: 8k <5159915+7680x4320@users.noreply.github.com>
Date: Sat, 16 Feb 2019 23:26:27 +0900
Subject: [PATCH] Fix cmake for non-x86 CPUs

---
 cmake/pcl_find_sse.cmake | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/cmake/pcl_find_sse.cmake b/cmake/pcl_find_sse.cmake
index 87159d3f3ea..e6604d3268f 100644
--- a/cmake/pcl_find_sse.cmake
+++ b/cmake/pcl_find_sse.cmake
@@ -7,7 +7,13 @@ macro(PCL_CHECK_FOR_SSE)
     if(NOT CMAKE_CROSSCOMPILING)
         # Test GCC/G++ and CLANG
         if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANG)
-            list(APPEND SSE_FLAGS "-march=native")
+            include(CheckCXXCompilerFlag)
+            check_cxx_compiler_flag("-march=native" HAVE_MARCH)
+            if(HAVE_MARCH)
+                list(APPEND SSE_FLAGS "-march=native")
+            else()
+                list(APPEND SSE_FLAGS "-mtune=native")
+            endif()
             message(STATUS "Using CPU native flags for SSE optimization: ${SSE_FLAGS}")
         endif()
     endif()