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building.py: add RegisterPreBuildingAction 

One could register a callable object(normally a function) via RegisterPreBuildingAction in SConscript. It will be called when PreBuilding get invoked. PreBuilding should be called before the building procedure. It is currently used by RTGUI to generate the minimal perfect hash code when all the source files are scanned(i.e. just before building).

Maybe we should invoke PreBuilding in DoBuilding.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2353 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
chaos.proton@gmail.com 2012-10-15 13:16:35 +00:00
parent e41d961be2
commit 66c5a05e62
1 changed files with 11 additions and 0 deletions
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11
tools/building.py
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@ -247,6 +247,17 @@ def GetCurrentDir():
path = os.path.dirname(fn.abspath) path = os.path.dirname(fn.abspath)
return path return path
PREBUILDING = []
def RegisterPreBuildingAction(act):
global PREBUILDING
assert callable(act), 'Could only register callable objects. %s received' % repr(act)
PREBUILDING.append(act)
def PreBuilding():
global PREBUILDING
for a in PREBUILDING:
a()
def DoBuilding(target, objects): def DoBuilding(target, objects):
program = None program = None
# check whether special buildlib option # check whether special buildlib option