[CMake] 32-bit mode on 64-bit machine
Glenn Coombs
glenn.coombs at gmail.com
Thu May 26 13:39:40 EDT 2011
I do exactly that for my project using these lines:
if(UNIX)
# only build 32-bit binaries
add_definitions( -m32)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}
-m32")
set(CMAKE_SHARED_LIBRARY_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS}
-m32")
set(CMAKE_SHARED_LIBRARY_CXX_FLAGS
"${CMAKE_SHARED_LIBRARY_CXX_FLAGS} -m32")
endif()
I do it unconditionally but you could easily add an option variable to turn
this behaviour on or off accordingly.
--
Glenn
On 26 May 2011 17:54, Sara Rolfe <smrolfe at u.washington.edu> wrote:
> Hello,
>
> I'd like to force a 64-bit machine to build a 32-bit program. Can I
> control this using CMake?
>
> Thanks,
> Sara
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