This ensures that the check_function_exists() for fdatasync in the
libeio CMakeLists.txt is not run, since that fails on some versions of
OSX (http://public.kitware.com/Bug/view.php?id=10044).
if(${node_platform} MATCHES darwin)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -framework Carbon")
+ # explicitly set this so that we don't check again when building libeio
+ set(HAVE_FDATASYNC 0)
else()
# OSX fdatasync() check wrong: http://public.kitware.com/Bug/view.php?id=10044
check_function_exists(fdatasync HAVE_FDATASYNC)