2011-10-04 18:36:00 +00:00
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"""SCons.Tool.gcc
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Tool-specific initialization for gcc.
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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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#
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2012-08-16 11:26:00 +00:00
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# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 The SCons Foundation
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2011-10-04 18:36:00 +00:00
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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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#
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2012-08-16 11:26:00 +00:00
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__revision__ = "src/engine/SCons/Tool/gcc.py issue-2856:2676:d23b7a2f45e8 2012/08/05 15:38:28 garyo"
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2011-10-04 18:36:00 +00:00
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import cc
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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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compilers = ['gcc', 'cc']
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def generate(env):
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"""Add Builders and construction variables for gcc to an Environment."""
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cc.generate(env)
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env['CC'] = env.Detect(compilers) or 'gcc'
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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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# -dumpversion was added in GCC 3.0. As long as we're supporting
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# GCC versions older than that, we should use --version and a
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# regular expression.
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#line = pipe.stdout.read().strip()
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#if line:
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# env['CCVERSION'] = line
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line = pipe.stdout.readline()
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match = re.search(r'[0-9]+(\.[0-9]+)+', line)
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if match:
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env['CCVERSION'] = match.group(0)
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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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