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rdmd --makedep(end|file) doesn't output empty rules for all source files #105

Closed wilzbach closed 10 years ago

wilzbach commented 10 years ago

Note: the issue was created automatically migrated from https://issues.dlang.org

Original bug ID: BZ#12354 From: Leandro Lucarella <leandro.lucarella@sociomantic.com> Reported version: D2

wilzbach commented 10 years ago

Comment author: Leandro Lucarella <leandro.lucarella@sociomantic.com>

When using automatic dependencies, if you include an old dependencies file that have a file that was removed, make will issue an error like:

make: *** No rule to make target missing_file.d', needed bysome_rule'. Stop.

To avoid this there is a popular trick used by GCC consisting in adding empty rules for each source file. Make treats any empty rule (no prerequisites, no actions) as if they were .PHONY (and not issuing any errors), so the effect of doing this is, if a file that was listed as a dependency is gone, a rebuild will be triggered.

rdmd should do the same.

wilzbach commented 10 years ago

Comment author: Leandro Lucarella <leandro.lucarella@sociomantic.com>

https://github.com/D-Programming-Language/tools/pull/122

wilzbach commented 10 years ago

Comment author: github-bugzilla@puremagic.com

Commits pushed to master at https://github.com/D-Programming-Language/tools

https://github.com/D-Programming-Language/tools/commit/314d92e192c88ccd15982dd9b11f69aaafb47efa Fix issue 12354: rdmd --makedep(end|file) doesn't output empty rules for all source files

Now rdmd --makedep(end|file) will print an empty rule for each source file.

https://github.com/D-Programming-Language/tools/commit/09aaa0953e79052f70ea71800f3d344feec82ff3 Merge pull request BZ#122 from leandro-lucarella-sociomantic/rdmd-exe-target

Fix rdmd --makedep(end|file) (issues 12351 and 12354)