OpenColorIO rez package build script

package.py

name = "OpenColorIO"
version = "2.0.0.0"
description = """
A complete color management solution geared towards motion picture 
production with an emphasis on visual effects and computer animation.
"""
authors = ["Academy Software Foundation"]
help = "http//opencolorio.org"
# tools = [
#     "ociobakelut",
#     "ociocheck",
#     "ociochecklut",
#     "ocioconvert",
#     "ociodisplay",
#     "ociolutimage",
#     "ociomakeclf",
#     "ocioperf",
#     "ociowrite",
# ]


@early()
def variants():
    from rez.package_py_utils import expand_requires
    requires = ["platform-**", "arch-**", "os-**"]
    pys = [
        'python-3.7',
        'python-3.8',
        'python-2.7',
    ]
    ephemerals = [
        '.shared-0',
        '.shared-1',
    ]
    return [expand_requires(*requires + [e, py]) for e in ephemerals for py in pys]


requires = [
    'numpy',
    #'~openexr-2.4.1+',
    '~nuke-11|12',
    '~OpenImageIO-2.1',
]

private_build_requires = [
    #"llvm-8",
    "gcc-7",
    "cmake-3",
    "ninja",

    ## optional stuff

    ### third-party
    #"pybind11-2.6.0+",
    #"lcms2-2",
    #'yamlcpp-0.6.3+<1',
    #'pystring-1.1.3+',
    #'libexpat-2.2.5+',
    #"OpenImageIO-2.1.17.0.z0",  # shared

    ### system
    #"GLEW-2.1.0",
    #"GLFW-3.3.2",
    #"freeglut-3",

    ### tests
    #"numpy",

    ### docs
    # 'Sphinx',
    # 'sphinx_press_theme',
    # 'testresources',
    # 'recommonmark',
    # 'doxygen',
    # 'sphinx_tabs',
    # 'breathe',
]


def pre_build_commands():
    # options

    build_docs = False
    build_ofx = False
    build_tests = False
    build_headless = True
    build_shared = intersects(ephemerals.get('shared', '0'), '1')
    build_python = 'python' in resolve
    build_nuke = 'nuke' in resolve
    build_apps = 'OpenImageIO' in resolve

    env.LDFLAGS = ('-Wl,%s-rpath,{build.install_path}/lib $LDFLAGS' %
                   ('--enable-new-dtags,' if system.platform == 'linux' else ''))
    env.CXXFLAGS = '$CXXFLAGS -Wno-deprecated-declarations -Wno-unused-variable -fPIC'

    # dependencies
    env.OpenImageIO_ROOT = '$REZ_OPENIMAGEIO_ROOT'
    env.Python_ROOT = resolve.python.root if 'python' in resolve else ''
    env.pystring_ROOT = resolve.pystring.root if 'pystring' in resolve else ''
    env.Pybind11_ROOT = resolve.pybind11.root if 'pybind11' in resolve else ''
    env.Half_ROOT = resolve.openexr.root if 'openexr' in resolve else ''
    env.Expat_ROOT = resolve.libexpat.root if 'libexpat' in resolve else ''
    if 'yamlcpp' in resolve:
        env.CMAKE_PREFIX_PATH.append(resolve.yamlcpp.root)

    env.REZ_BUILD_CMAKE_ARGS = ' '.join([
        '-DBUILD_SHARED_LIBS={build_shared}',
        '-DOCIO_BUILD_APPS={build_apps}',
        '-DOCIO_BUILD_NUKE={build_nuke}',
        '-DOCIO_BUILD_DOCS={build_docs}',
        #'-DOCIO_BUILD_OFX={build_ofx}',
        '-DOCIO_BUILD_TESTS={build_tests}',
        '-DOCIO_BUILD_GPU_TESTS={build_tests}',
        '-DOCIO_USE_HEADLESS={build_headless}',
        '-DOCIO_BUILD_PYTHON={build_python}',
        '-DOCIO_BUILD_JAVA=OFF',
        '-DCMAKE_INSTALL_PREFIX={build.install_path}',
        '-DCMAKE_BUILD_TYPE=Release',
        '-DCMAKE_CXX_STANDARD=14',
        '-DOCIO_INSTALL_EXT_PACKAGES=MISSING',
        '-DOCIO_WARNING_AS_ERROR=OFF',
        #'-DOCIO_NAMESPACE=OpenColorIO',
        #'-DOCIO_LIBNAME_SUFFIX=""',
    ])


build_command_local = """
cmake -d {root} $REZ_BUILD_CMAKE_ARGS
make {install} -j$REZ_BUILD_THREAD_COUNT
"""

build_command = """
git clone https://github.com/AcademySoftwareFoundation/OpenColorIO.git
cmake OpenColorIO $REZ_BUILD_CMAKE_ARGS
make {install} -j$REZ_BUILD_THREAD_COUNT
"""


def commands():
    env.PATH.prepend("{root}/bin")

    if 'python' in resolve:
        python_version = "{resolve.python.version.major}.{resolve.python.version.minor}"
        env.PYTHONPATH.append("{root}/lib/python{python_version}/site-packages")

    if "nuke" in resolve:
        nuke_version = "{resolve.nuke.version.major}.{resolve.nuke.version.minor}"
        env.NUKE_PATH.prepend('{root}/share/nuke:{root}/lib/nuke/{nuke_version}')

    if building:
        env.CFLAGS.set("-I{root}/include $CFLAGS")
        env.CPPFLAGS.set("-I{root}/include $CPPFLAGS")
        env.CXXFLAGS.set("-I{root}/include $CXXFLAGS")
        env.LDFLAGS.set("-L{root}/lib -Wl,-rpath,{root}/lib $LDFLAGS")

        env.CMAKE_INCLUDE_PATH.prepend("{root}/include")
        env.CMAKE_LIBRARY_PATH.prepend("{root}/lib")

        env.OpenColorIO_ROOT = '{root}'
        env.OpenColorIO_INCLUDE_DIRS = '{root}/include'


hashed_variants = True


@early()
def uuid():
    import uuid
    return str(uuid.uuid5(uuid.NAMESPACE_DNS, name))