Use CMAKE_C_FLAGS value for C++ compilers.
@ -55,8 +55,8 @@ if(CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT 64BIT)
if(MSVC)
error("UNDONE: set 32 build flags")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_C_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -m32")
endif()
set(CMAKE_SIZEOF_VOID_P 4)