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63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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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.curdir, ".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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