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scons: always generate sim/tags.cc

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Due to insufficient build deps, the checkpoint tags might not get
updated; this commit solves this. Due to the uncommon nature of the
build target, regenerating tags.cc is a fairly clean solution. Since
SCons hashes file contents, it won't recompile anything unless a new
checkpoint upgrader is actually added.

--HG--
extra : amend_source : ed3879da7668554693f697076deaf5029cc9b954
This commit is contained in:
Curtis Dunham 2016-02-08 13:39:45 -06:00
parent 0f27d70e90
commit bead7f249a
1 changed files with 2 additions and 0 deletions
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2
src/SConscript
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@ -962,9 +962,11 @@ env.Depends(SWIG, 'debug/flags.cc')
Source('debug/flags.cc') Source('debug/flags.cc')
# version tags # version tags
tags = \
env.Command('sim/tags.cc', None, env.Command('sim/tags.cc', None,
MakeAction('util/cpt_upgrader.py --get-cc-file > $TARGET', MakeAction('util/cpt_upgrader.py --get-cc-file > $TARGET',
Transform("VER TAGS"))) Transform("VER TAGS")))
env.AlwaysBuild(tags)
# Embed python files. All .py files that have been indicated by a # Embed python files. All .py files that have been indicated by a
# PySource() call in a SConscript need to be embedded into the M5 # PySource() call in a SConscript need to be embedded into the M5