+++ Box2D-2.3.0/Box2D/Box2D/CMakeLists.txt 2015-10-29 12:21:46.801554642 +0200 @@ -149,6 +149,7 @@ endif() if(BOX2D_BUILD_STATIC) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC -O2") add_library(Box2D STATIC ${BOX2D_General_HDRS} ${BOX2D_Joints_SRCS}