set(CMAKE_OSX_DEPLOYMENT_TARGET "10.5" CACHE STRING
"Minimum OS X version to target for deployment (at runtime); newer APIs weak linked. Set to empty string for default value")
set(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX10.5.sdk" CACHE PATH
set(CMAKE_OSX_DEPLOYMENT_TARGET "10.5" CACHE STRING
"Minimum OS X version to target for deployment (at runtime); newer APIs weak linked. Set to empty string for default value")
set(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX10.5.sdk" CACHE PATH