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INSTALL.md

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Installation

Since VexCL is header-only library, installation is straightforward: you just need to copy vexcl folder somewhere and tell your compiler to scan it for include files.

Building boost on OSX

Here are instructions that worked for at least one of VexCL users on a MacOSX system (thanks, @d-meiser!):

Because VexCL requires c++11 features I had to tweak the boost libraries on my system a bit. The following instructions worked for me. I build boost version 1.53. Download boost sources from sourceforge (http://sourceforge.net/projects/boost/files/boost/1.53.0/). In the boost source directory do:

./bootstrap.sh --with-toolset=clang --prefix=${BOOST_DIR}
./b2 link=shared threading=multi variant=release -s NO_COMPRESSION=1 \
    --layout=system --without-mpi --prefix=${BOOST_DIR} \
    toolset=clang \
    cxxflags="-std=c++ -stdlib=libc++" \
    linkflags="-stdlib=libc++" \
    install

${BOOST_DIR} is the boost installation directory. I install in my home directory just so it's easier for me to uninstall and so there are no unintended interactions with the system boost libraries. The cxxflags and linkflags were necessary to run the tests. Without them the boost unit test framework segfaults

Making cmake find boost headers and libraries

It took me a while to figure out how to make cmake find the right boost libraries instead of the system libraries. The following command line worked for me

 cmake \
    -DBoost_NO_BOOST_CMAKE:BOOL=TRUE \
    -DBoost_NO_SYSTEM_PATHS:BOOL=TRUE \
    -DBOOST_ROOT=${BOOST_DIR} \
    -DUSE_LIBCPP:BOOL=TRUE \
    ${VEXCL_SOURCE_DIR}

${BOOST_DIR} is the location of your boost library, e.g. the one installed here. ${VEXCL_SOURCE_DIR} is the location of the VexCL sources. Note that without the -DBoost_NO_BOOST_CMAKE:BOOL=TRUE flag the -DBOOST_ROOT option was being ignored. Without -DUSE_LIBCPP:BOOL=TRUE the tuple header was not found.