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Sagnes, Frederic wrote:
> Hello Alex, thank you for your quick answer!
>
> The message command works great, as well as the compiler flags settings. No
> idea about the static libraries? The product we are building should be
> standalone, even in a Unix environment.
>
> Considering the release/debug profile on Unix, the problem is that I link to
> debug and release libraries on Visual C++ (I use Boost libraries), this is
> required because the wrong linked library in either profiles causes library
> conflict and make the application crash. To generate the linking I use the
> following code:
>
> FIND_LIBRARY (
> BOOST_PRG_LIBRARY
> ${BOOST_LIB_PREFIX}boost_program_options${BOOST_LIB_SUFFIX}
> ${LINK_DIRECTORIES}
> )
FIND_LIBRARY (
BOOST_PRG_OPT_LIBRARY
${BOOST_LIB_PREFIX}boost_program_options${BOOST_LIB_SUFFIX}
${LINK_DIRECTORIES}
)
> FIND_LIBRARY (
> BOOST_PRG_DBG_LIBRARY
> ${BOOST_LIB_PREFIX}boost_program_options${BOOST_LIB_DBG_SUFFIX}
> ${LINK_DIRECTORIES}
> )
> IF (BOOST_PRG_LIBRARY AND BOOST_PRG_DBG_LIBRARY)
> SET (
> BOOST_PRG_LIBRARY
> optimized ${BOOST_PRG_LIBRARY}
> debug ${BOOST_PRG_DBG_LIBRARY}
> )
> ENDIF (BOOST_PRG_LIBRARY AND BOOST_PRG_DBG_LIBRARY)
In case you only have one of the libraries BOOST_PRG_LIBRARY is empty. A
better way is too add a few checks
IF(BOOST_PRG_OPT_LIBRARY AND BOOST_PRG_DBG_LIBRARY)
SET(BOOST_PRG_LIBRARY
optimized ${BOOST_PRG_OPT_LIBRARY}
debug ${BOOST_PRG_DBG_LIBRARY})
ELSE(BOOST_PRG_OPT_LIBRARY AND BOOST_PRG_DBG_LIBRARY)
IF(BOOST_PRG_OPT_LIBRARY)
SET(BOOST_PRG_LIBRARY ${BOOST_PRG_OPT_LIBRARY})
ELSE(BOOST_PRG_OPT_LIBRARY)
IF(BOOST_PRG_DBG_LIBRARY)
SET(BOOST_PRG_LIBRARY ${BOOST_PRG_DBG_LIBRARY})
ENDIF(BOOST_PRG_DBG_LIBRARY)
ENDIF(BOOST_PRG_OPT_LIBRARY)
ENDIF(BOOST_PRG_OPT_LIBRARY AND BOOST_PRG_DBG_LIBRARY)
> ADD_EXECUTABLE (
> TestClient
> TestClient.cpp
> )
>
> TARGET_LINK_LIBRARIES (
> TestClient
> ${BOOST_PRG_LIBRARY}
> )
>
> Which in the end expands ${BOOST_PRG_LIBRARY} to :
> optimized;D:\ALM\Boost\vc-8_0\lib\ boost_program_options-vc80-mt.lib;debug;
> D:\ALM\Boost\vc-8_0\lib\ boost_program_options-vc80-mt-gd.lib
>
> This works well under VS, and Unix boost builds also have debug libraries. I
> thought CMake would create some special targets to generate either release or
> debug binaries, instead of that it generates one target and does not link to
> any library, which makes the compilation fail with symbols not found errors.
> How does CMake handle these profiles with the Makefile generator?
>
> I'll have a look at these project's CMake files, but still, a central and
> consistent help for CMake would be a real plus. Your project is great; it
> only lacks a manual to take advantage of all of its features.
You have to set CMAKE_BUILD_TYPE to RELEASE or DEBUG so that cmake can
make a choice between the debug and the optimized library.
> Thank you,
>
> Frédéric Sagnes
- --
Filipe Sousa
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