scons: add a parameter to configure SCons' build cache

This commit is contained in:
Ali Saidi 2010-11-08 13:58:24 -06:00
parent b4b6a2338a
commit 5fcf442f4f

View file

@ -312,6 +312,7 @@ global_sticky_vars.AddVariables(
('CXX', 'C++ compiler', environ.get('CXX', main['CXX'])),
('BATCH', 'Use batch pool for build and tests', False),
('BATCH_CMD', 'Batch pool submission command name', 'qdo'),
('M5_BUILD_CACHE', 'Cache built objects in this directory', False),
('EXTRAS', 'Add Extra directories to the compilation', '',
PathListAllExist, PathListMakeAbsolute),
)
@ -549,6 +550,12 @@ py_libs.append(py_version)
main.Append(CPPPATH=py_includes)
main.Append(LIBPATH=py_lib_path)
# Cache build files in the supplied directory.
if main['M5_BUILD_CACHE']:
print 'Using build cache located at', main['M5_BUILD_CACHE']
CacheDir(main['M5_BUILD_CACHE'])
# verify that this stuff works
if not conf.CheckHeader('Python.h', '<>'):
print "Error: can't find Python.h header in", py_includes