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97 lines
3.7 KiB
Python
97 lines
3.7 KiB
Python
# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is cl.py: a python wrapper for cl to automatically generate
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# dependency information.
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#
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# The Initial Developer of the Original Code is
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# Mozilla Foundation.
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# Portions created by the Initial Developer are Copyright (C) 2010
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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# Kyle Huey <me@kylehuey.com>
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either the GNU General Public License Version 2 or later (the "GPL"), or
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# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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import os, os.path
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import subprocess
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import sys
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CL_INCLUDES_PREFIX = os.environ.get("CL_INCLUDES_PREFIX", "Note: including file:")
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def InvokeClWithDependencyGeneration(cmdline):
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target = ""
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# Figure out what the target is
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for arg in cmdline:
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if arg.startswith("-Fo"):
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target = arg[3:]
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break
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if target == None:
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print >>sys.stderr, "No target set" and sys.exit(1)
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# The deps target lives here
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depstarget = os.path.basename(target) + ".pp"
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cmdline += ['-showIncludes']
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cl = subprocess.Popen(cmdline, stdout=subprocess.PIPE)
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deps = set()
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for line in cl.stdout:
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# cl -showIncludes prefixes every header with "Note: including file:"
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# and an indentation corresponding to the depth (which we don't need)
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if line.startswith(CL_INCLUDES_PREFIX):
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dep = line[len(CL_INCLUDES_PREFIX):].strip()
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# We can't handle pathes with spaces properly in mddepend.pl, but
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# we can assume that anything in a path with spaces is a system
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# header and throw it away.
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if dep.find(' ') == -1:
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deps.add(dep)
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else:
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sys.stdout.write(line) # Make sure we preserve the relevant output
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# from cl
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ret = cl.wait()
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if ret != 0 or target == "":
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sys.exit(ret)
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depsdir = os.path.normpath(os.path.join(os.path.dirname(target), ".deps"))
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depstarget = os.path.join(depsdir, depstarget)
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if not os.path.isdir(depsdir):
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try:
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os.makedirs(depsdir)
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except OSError:
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pass # This suppresses the error we get when the dir exists, at the
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# cost of masking failure to create the directory. We'll just
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# die on the next line though, so it's not that much of a loss.
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f = open(depstarget, "w")
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for dep in sorted(deps):
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print >>f, "%s: %s" % (target, dep)
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if __name__ == "__main__":
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InvokeClWithDependencyGeneration(sys.argv[1:])
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