Problems coaxing CMake to not include 32-bit compiler flags.

Just as the title says, I'm having trouble convincing CMake to let go of the -m32 compiler flag. Everything is working except for that one crucial hangup.

I'm using CMake-3.0.

I've tried to manually edit the CMAKE_CXX_COMPILER and CMAKE_EXE_LINKER variables from the command line with little success.

Any assistance would be most well received.
