src/base/stats/SConsopts

# Copyright 2020 Google, Inc.
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Import('*')

from gem5_scons import warning
import gem5_scons

with gem5_scons.Configure(main) as conf:
    # Check if there is a pkg-config configuration for hdf5. If we find
    # it, setup the environment to enable linking and header inclusion. We
    # don't actually try to include any headers or link with hdf5 at this
    # stage.
    if conf.env['HAVE_PKG_CONFIG']:
        conf.CheckPkgConfig(['hdf5-serial', 'hdf5'],
                '--cflags-only-I', '--libs-only-L')

    # Check if the HDF5 libraries can be found. This check respects the
    # include path and library path provided by pkg-config. We perform
    # this check even if there isn't a pkg-config configuration for hdf5
    # since some installations don't use pkg-config.
    conf.env['CONF']['HAVE_HDF5'] = \
            conf.CheckLibWithHeader('hdf5', 'hdf5.h', 'C',
                                    'H5Fcreate("", 0, 0, 0);') and \
            conf.CheckLibWithHeader('hdf5_cpp', 'H5Cpp.h', 'C++',
                                    'H5::H5File("", 0);')

    if conf.env['CONF']['HAVE_HDF5']:
        conf.env.TagImplies('hdf5', 'gem5 lib')
    else:
        warning("Couldn't find HDF5 C++ libraries. Disabling HDF5 support.")