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68 lines
1.5 KiB
Python
68 lines
1.5 KiB
Python
import itertools
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import os
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import subprocess
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def GetFlagsFromMakefile(varname):
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return subprocess.check_output([
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"make", "-s", "print-%s" % varname]).decode().split()
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def Flatten(lists):
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return list(itertools.chain.from_iterable(lists))
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def DirectoryOfThisScript():
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return os.path.dirname(os.path.abspath(__file__))
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def MakeRelativePathsInFlagsAbsolute(flags, working_directory):
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if not working_directory:
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return flags
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new_flags = []
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make_next_absolute = False
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path_flags = [ '-isystem', '-I', '-iquote', '--sysroot=' ]
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for flag in flags:
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new_flag = flag
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if make_next_absolute:
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make_next_absolute = False
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if not flag.startswith('/'):
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new_flag = os.path.join(working_directory, flag)
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for path_flag in path_flags:
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if flag == path_flag:
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make_next_absolute = True
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break
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if flag.startswith(path_flag):
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path = flag[ len(path_flag): ]
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new_flag = path_flag + os.path.join(working_directory, path)
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break
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if new_flag:
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new_flags.append(new_flag)
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return new_flags
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def FlagsForFile(filename):
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relative_to = DirectoryOfThisScript()
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return {
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'flags': MakeRelativePathsInFlagsAbsolute(flags, relative_to),
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'do_cache': True
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}
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flags = Flatten(map(GetFlagsFromMakefile, [
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'AM_CPPFLAGS',
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'CPPFLAGS',
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'AM_CFLAGS',
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'CFLAGS',
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]))
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# these flags cause crashes in libclang, so remove them
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flags.remove('-Wlogical-op')
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flags.remove('-Wsuggest-attribute=noreturn')
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flags.remove('-Wdate-time')
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# vim: set et ts=2 sw=2:
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