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gn: Simplify logic for finding Clang resource directory #5915

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gn: Simplify logic for finding Clang resource directory #5915

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18 changes: 6 additions & 12 deletions gn/standalone/toolchain/linux_find_llvm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -46,18 +46,12 @@ def main():
for clang in candidate_clangs():
if shutil.which(clang) is None:
continue
res = subprocess.check_output([clang, '-print-search-dirs']).decode("utf-8")
for line in res.splitlines():
if not line.startswith('libraries:'):
continue
libs = line.split('=', 1)[1].split(':')
for lib in libs:
if '/clang/' not in lib or not os.path.isdir(lib + '/lib'):
continue
print(os.path.abspath(lib))
print(clang)
print(clang.replace('clang', 'clang++'))
return 0
res = subprocess.check_output([clang,
'-print-resource-dir']).decode("utf-8")
print(os.path.abspath(res.splitlines()[0]))
print(clang)
print(clang.replace('clang', 'clang++'))
return 0
print('Could not find the LLVM lib dir')
return 1

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