try to remove -arch i386 by patching CMakeLists.txt

Author: skvark

travis/build-wheels-osx.sh

@@ -10,9 +10,14 @@ echo 'PIP and brew installs'
 
 pip install $BUILD_DEPENDS
 
+cd opencv
+
+echo "Apply patch"
+
+git apply ../travis/disable_i386.patch
+
 echo 'Config make'
 
-cd opencv
 mkdir build
 cd build
 

travis/disable_i386.patch

@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index af5e2c1..4ef83c1 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -192,6 +192,8 @@ if(MINGW)
+   endif()
+ endif()
+ 
++string(REPLACE "-arch i386" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
++
+ # ----------------------------------------------------------------------------
+ # OpenCV cmake options
+ # ----------------------------------------------------------------------------