Nick Wellnhofer created LUCY-309:
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Summary: BSD make doesn't support pattern rules
Key: LUCY-309
URL: https://issues.apache.org/jira/browse/LUCY-309
Project: Lucy
Issue Type: Bug
Components: Charmonizer
Reporter: Nick Wellnhofer
Assignee: Nick Wellnhofer
Charmonizer currently assumes that every make utility except nmake supports
pattern rules. This was overly optimistic as there are some versions of BSD
make that don't support pattern rules. Pattern rules are used in
Charmonizer-generated Makefiles to pass per-directory compiler options.
Possible solutions:
- Always add an explicit rule for every object file.
- Feature test for pattern rules or GNU make.
- Per-directory Makefiles.
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