95 lines
3.3 KiB
Python
Vendored
95 lines
3.3 KiB
Python
Vendored
# MIT License
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#
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# Copyright The SCons Foundation
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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"""Tool-specific initialization for clang.
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There normally shouldn't be any need to import this module directly.
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It will usually be imported through the generic SCons.Tool.Tool()
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selection method.
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"""
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# Based on SCons/Tool/gcc.py by Paweł Tomulik 2014 as a separate tool.
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# Brought into the SCons mainline by Russel Winder 2017.
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import os
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import re
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import subprocess
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import SCons.Util
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import SCons.Tool.cc
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from SCons.Tool.clangCommon import get_clang_install_dirs
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from SCons.Tool.MSCommon import msvc_setup_env_once
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compilers = ['clang']
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def generate(env):
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"""Add Builders and construction variables for clang to an Environment."""
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SCons.Tool.cc.generate(env)
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if env['PLATFORM'] == 'win32':
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# Ensure that we have a proper path for clang
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clang = SCons.Tool.find_program_path(env, compilers[0],
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default_paths=get_clang_install_dirs(env['PLATFORM']))
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if clang:
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clang_bin_dir = os.path.dirname(clang)
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env.AppendENVPath('PATH', clang_bin_dir)
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# Set-up ms tools paths
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msvc_setup_env_once(env)
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env['CC'] = env.Detect(compilers) or 'clang'
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if env['PLATFORM'] in ['cygwin', 'win32']:
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env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')
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else:
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env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS -fPIC')
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# determine compiler version
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if env['CC']:
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# pipe = SCons.Action._subproc(env, [env['CC'], '-dumpversion'],
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pipe = SCons.Action._subproc(env, [env['CC'], '--version'],
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stdin='devnull',
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stderr='devnull',
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stdout=subprocess.PIPE)
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if pipe.wait() != 0: return
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# clang -dumpversion is of no use
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with pipe.stdout:
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line = pipe.stdout.readline()
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line = line.decode()
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match = re.search(r'clang +version +([0-9]+(?:\.[0-9]+)+)', line)
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if match:
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env['CCVERSION'] = match.group(1)
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env['CCDEPFLAGS'] = '-MMD -MF ${TARGET}.d'
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env["NINJA_DEPFILE_PARSE_FORMAT"] = 'clang'
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def exists(env):
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return env.Detect(compilers)
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# Local Variables:
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# tab-width:4
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# indent-tabs-mode:nil
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# End:
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# vim: set expandtab tabstop=4 shiftwidth=4:
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