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comparison: build/unix/add_phony_targets.py
build/unix/add_phony_targets.py
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:5d9d1763cd24 |
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| 1 import pymake.data | |
| 2 import pymake.parser | |
| 3 import pymake.parserdata | |
| 4 import sys | |
| 5 | |
| 6 ''' | |
| 7 Modifies the output of Sun Studio's -xM to look more like the output | |
| 8 of gcc's -MD -MP, adding phony targets for dependencies. | |
| 9 ''' | |
| 10 | |
| 11 | |
| 12 def add_phony_targets(path): | |
| 13 print path | |
| 14 deps = set() | |
| 15 targets = set() | |
| 16 for stmt in pymake.parser.parsefile(path): | |
| 17 if isinstance(stmt, pymake.parserdata.Rule): | |
| 18 assert isinstance(stmt.depexp, pymake.data.StringExpansion) | |
| 19 assert isinstance(stmt.targetexp, pymake.data.StringExpansion) | |
| 20 for d in stmt.depexp.s.split(): | |
| 21 deps.add(d) | |
| 22 for t in stmt.targetexp.s.split(): | |
| 23 targets.add(t) | |
| 24 phony_targets = deps - targets | |
| 25 if not phony_targets: | |
| 26 return | |
| 27 with open(path, 'a') as f: | |
| 28 f.writelines('%s:\n' % d for d in phony_targets) | |
| 29 | |
| 30 | |
| 31 if __name__ == '__main__': | |
| 32 for f in sys.argv[1:]: | |
| 33 add_phony_targets(f) |
