do not set "-march=i686" on 64-bit Linux boxes

git-svn-id: https://code.ros.org/svn/opencv/trunk@2982 73c94f0f-984f-4a5f-82bc-2d8db8d8ee08

diff --git a/opencv/CMakeLists.txt b/opencv/CMakeLists.txt
index f2d2a37aa206027a2e10316c09e45703ee49872e..a683acff831f73ad70066dd8978820a72a2ada42 100644 (file)
--- a/opencv/CMakeLists.txt
+++ b/opencv/CMakeLists.txt
@@ -703,9 +703,11 @@ if(CMAKE_COMPILER_IS_GNUCXX)
     endif()\r
 \r
        if(X86)\r
-               if(NOT APPLE)\r
-                       set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -march=i686")\r
-               endif()\r
+        if(NOT X86_64)\r
+            if(NOT APPLE)\r
+                set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -march=i686")\r
+            endif()\r
+        endif()\r
        endif()\r
 \r
     # Other optimizations\r