069baed971
Ensure the type of HAVE_PROTOBUF is boolean Change-Id: I9cf18c52ac290000168f5228b7f4ba3621225a85
79 lines
3.7 KiB
Plaintext
79 lines
3.7 KiB
Plaintext
# Copyright 2020 Google, Inc.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Import('*')
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from gem5_scons import warning
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from gem5_scons.util import readCommand, compareVersions
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import gem5_scons
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with gem5_scons.Configure(main) as conf:
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# Check for the protobuf compiler
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conf.env['HAVE_PROTOC'] = False
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protoc_version = []
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try:
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protoc_version = readCommand([main['PROTOC'], '--version']).split()
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except Exception as e:
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warning('While checking protoc version:', str(e))
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# Based on the availability of the compress stream wrappers, require 2.1.0.
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min_protoc_version = '2.1.0'
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# First two words should be "libprotoc x.y.z"
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if len(protoc_version) < 2 or protoc_version[0] != 'libprotoc':
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warning('Protocol buffer compiler (protoc) not found.\n'
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'Please install protobuf-compiler for tracing support.')
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elif compareVersions(protoc_version[1], min_protoc_version) < 0:
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warning('protoc version', min_protoc_version, 'or newer required.\n'
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'Installed version:', protoc_version[1])
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else:
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conf.env['HAVE_PROTOC'] = True
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# If we have the protobuf compiler, also make sure we have the
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# development libraries. If the check passes, libprotobuf will be
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# automatically added to the LIBS environment variable. After
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# this, we can use the HAVE_PROTOBUF flag to determine if we have
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# got both protoc and libprotobuf available.
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conf.env['CONF']['HAVE_PROTOBUF'] = bool(
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conf.env['HAVE_PROTOC'] and (
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(conf.env['HAVE_PKG_CONFIG'] and
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conf.CheckPkgConfig('protobuf', '--cflags', '--libs')) or
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conf.CheckLibWithHeader('protobuf', 'google/protobuf/message.h',
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'C++', 'GOOGLE_PROTOBUF_VERIFY_VERSION;'))
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)
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# If we have the compiler but not the library, print another warning.
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if main['HAVE_PROTOC'] and not main['CONF']['HAVE_PROTOBUF']:
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warning('Did not find protocol buffer library and/or headers.\n'
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'Please install libprotobuf-dev for tracing support.')
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if main['CONF']['HAVE_PROTOBUF']:
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main.TagImplies('protobuf', 'gem5 lib')
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# protoc relies on the fact that undefined preprocessor symbols are
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# explanded to 0 but since we use -Wundef they end up generating
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# warnings.
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main.Append(CCFLAGS='-DPROTOBUF_INLINE_NOT_IN_HEADERS=0')
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