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mercury/util
Zoltan Somogyi 38cf98fb2f Allow users to ensure that tags files always exist in the relevant directories
Estimated hours taken: 1
Branches: main

Allow users to ensure that tags files always exist in the relevant directories
by setting the environment variable ALWAYS_MMAKE_TAGS_FILE.

runtime/Mmakefile:
trace/Mmakefile:
library/Mmakefile:
browser/Mmakefile:
compiler/Mmakefile:
profiler/Mmakefile:
deep_profiler/Mmakefile:
	If TAGS_FILE_EXISTS is set to tags_file_exists, then make the default
	action ensure the existence of the tags file. It would be too
	expensive to remake the tags file every time mmake is run, but
	just testing for its existence is cheap enough.

	Fix the formatting of some rules.

Mmake.common.in:
	Set TAGS_FILE_EXISTS to tags_file_exists if the environment variable
	ALWAYS_MMAKE_TAGS_FILE is set.

	Fix some documentation.
2005-01-14 05:53:47 +00:00
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