let's try to add -march=i686 on 32-bit archs (ticket #138)

git-svn-id: https://code.ros.org/svn/opencv/trunk@2972 73c94f0f-984f-4a5f-82bc-2d8db8d8ee08

diff --git a/opencv/CMakeLists.txt b/opencv/CMakeLists.txt
index e21a6a1dd071fb716e0899032b2c4d747b4f11ed..f2d2a37aa206027a2e10316c09e45703ee49872e 100644 (file)
--- a/opencv/CMakeLists.txt
+++ b/opencv/CMakeLists.txt
@@ -702,6 +702,12 @@ if(CMAKE_COMPILER_IS_GNUCXX)
         set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Werror")\r
     endif()\r
 \r
+       if(X86)\r
+               if(NOT APPLE)\r
+                       set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -march=i686")\r
+               endif()\r
+       endif()\r
+\r
     # Other optimizations\r
     if(USE_OMIT_FRAME_POINTER)\r
        set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -fomit-frame-pointer")\r