I was wrong. Dmytro pointed out that bjam allows building boost libraries with the compiler and bitness in the boost library name --layout=versioned.
Therefore, I could have both 32 and 64bit versions in the same directory. I wonder then if FindBoost is able to detect automatically the right ones based on the name of the libs. regards From: philiplow...@gmail.com [mailto:philiplow...@gmail.com] On Behalf Of Philip Lowman Sent: 04 December 2010 11:03 To: Hicham Mouline Cc: CMake mailing list Subject: Re: [CMake] FindBoost: find both win32 and x64 static libs On Tue, Nov 30, 2010 at 5:37 PM, Hicham Mouline <hic...@mouline.org> wrote: As boost libraries naming convention doesn't include in the lib names whether they are built by msvc9 win32 or x64, I am forced on a winxp 64 box where I hold both versions to have a different lib directory under boost_root. I set BOOST_ROOT then call FIND_PACKAGE(Boost 1.44 COMPONENTS ...). Am I supposed to detect which of vc9 32bit or 64bit am I generating for and then set BOOST_LIBRARYDIR depending on that before calling FIND_PACKAGE? How do I detect bitness? You could try something like this: include(CheckTypeSize) CHECK_TYPE_SIZE(void* SIZEOF_PTR) message("size of pointer = ${SIZEOF_PTR}") Then if SIZEOF_PTR is 4, you would set BOOST_LIBRARYDIR to be ${BOOST_ROOT}/lib32 and if it is 8, you set it to ${BOOST_ROOT}/lib64. -- Philip Lowman
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