Rez package for Boost

package.py

name = 'boost'

version = "1.85.0"

authors = ['boost.org']

hased_variants= True

description = \
    '''
    Peer-reviewed portable C++ source libraries.
    '''

@early()
def variants():
    from rez.package_py_utils import expand_requires
    import platform
    p = 'osx' if 'darwin' in platform.system().lower() else platform.system().lower()
    requires = ['platform-%s' % p, "arch-**"]
    _variants = [
        ["gcc", "python-3.11"]
    ]
    return [expand_requires(*(requires + v)) for v in _variants]

private_build_requires = [
    'cmake-3+',
    '~gcc-8+',
]

hashed_variants = True

def pre_build_commands():
    toolset =  "clang" if "llvm" in resolve else "gcc"
    cxxstd = '17'
    boost_options = " ".join(
        [
            "cxxflags=-fPIC",
            "cflags=-fPIC",
            "cxxstd={cxxstd}",
            "toolset={toolset}",
            "variant=release",
            "threading=multi",
            "link=shared",
            "link=static",
            "runtime-link=shared",
        ]
    )
    py = resolve.python
    py_ver = "%s.%s" % (py.version.major, py.version.minor)
    ver_maj, ver_min, ver_pat = (
        this.version.major,
        this.version.minor,
        this.version.patch,
    )
    env.PYTHON_VERSION = py_ver
    env.PYTHON_EXECUTABLE = "{resolve.python.root}/bin/python{py_ver}"
    env.PYTHON_INCLUDE_DIRS = "{resolve.python.root}/include/python{py_ver}"
    env.PYTHON_LIB_DIRS = "{resolve.python.root}/lib"
    env.BOOST_EXTRA_ARGS = boost_options
    env.BOOST_VERSION = "%s.%s.%s" % (ver_maj, ver_min, ver_pat)
    env.BOOST_VERSION_U = "%s_%s_%s" % (ver_maj, ver_min, ver_pat)
    env.BOOST_MAJOR_MINOR = '%s.%s' % (ver_maj, ver_min)
    env.BOOST_MAJOR, env.BOOST_MINOR, env.BOOST_PATCH = (ver_maj, ver_min, ver_pat)
    env.BOOTSTRAP_ARGS = " ".join([
        "--with-python={resolve.python.root}/bin/python{py_ver}",
        "--with-python-version={py_ver}",
        "--with-toolset={toolset}"
    ])


def commands():
    env.BOOST_ROOT = '{root}'
    env.BOOST_INCLUDEDIR = '{root}/include'
    env.BOOST_LIBRARYDIR = '{root}/lib'
    if building:
        libdir = '{root}/lib'
        env.LD_LIBRARY_PATH.prepend(libdir)
        env.DYLD_LIBRARY_PATH.prepend(libdir)
        env.LDFLAGS = '-L{libdir} -Wl,-rpath,{libdir} $LDFLAGS'
        env.LIBS = '-L{libdir} $LIBS'
        env.CXXFLAGS = '-I{root}/include $CXXFLAGS'
        env.CFLAGS = '-I{root}/include $CFLAGS'
        env.CMAKE_MODULE_PATH.prepend('{libdir}/cmake')
        env.CMAKE_PREFIX_PATH.prepend('{root}')
        env.CMAKE_ON = 'Boost_NO_SYSTEM_PATHS Boost_USE_MULTITHREADED' #Boost_NO_CMAKE_CONFIG'


build_command = """

if [ ! -f $REZ_BUILD_SOURCE_PATH/../_archive/boost/boost-$BOOST_VERSION.tar.gz ]; then
    if [ ! -f $REZ_BUILD_SOURCE_PATH/../_archive/boost ]; then
        mkdir -p $REZ_BUILD_SOURCE_PATH/../_archive/boost
    fi
    curl --location https://sourceforge.net/projects/boost/files/boost/$BOOST_VERSION/boost_$BOOST_VERSION_U.tar.gz -o $REZ_BUILD_SOURCE_PATH/../_archive/boost/boost-$BOOST_VERSION.tar.gz
fi

tar -xzf $REZ_BUILD_SOURCE_PATH/../_archive/boost/boost-$BOOST_VERSION.tar.gz --strip 1

echo "using python : $PYTHON_VERSION : $PYTHON_EXECUTABLE : $PYTHON_INCLUDE_DIRS : $PYTHON_LIB_DIRS ;" > ~/user-config.jam

sh bootstrap.sh $BOOTSTRAP_ARGS --prefix=$REZ_BUILD_INSTALL_PATH

rm -rf ~/user-config.jam

./b2 install -j$REZ_BUILD_THREAD_COUNT \
    --prefix=$REZ_BUILD_INSTALL_PATH \
    --no-cmake-config \
    --with-atomic \
    --with-chrono \
    --with-container \
    --with-context \
    --with-coroutine \
    --with-date_time \
    --with-exception \
    --with-filesystem \
    --with-graph \
    --with-graph_parallel \
    --with-iostreams \
    --with-locale \
    --with-log \
    --with-math \
    --with-mpi \
    --with-program_options \
    --with-random \
    --with-regex \
    --with-serialization \
    --with-system \
    --with-test \
    --with-thread \
    --with-timer \
    --with-type_erasure \
    --with-wave \
    --with-python \
    $BOOST_EXTRA_ARGS

"""