[Scons-users] Builder execution order?

[delbert dev]

In the root of my git repo I have a SConstruct file that calls some
subscripts (SConscript):


*subscripts = [*

*    ['A/SConscript', 'testA'],*
*    ['B/SConscript', 'testB']*
*    ]*
*for c in subscripts:*
*   odir = outputdir + '/' + c[1]*
*   SConscript(c[0],*
*              variant_dir = odir,*
*              duplicate = 0,*
*              exports = ['env', 'odir'])*


As a result I can simply call 'scons' from the root and all the above
projects will be build. If I only want to build B I simply type 'scons
testB' (I guess this here:
http://www.scons.org/doc/production/HTML/scons-user/c3186.html#AEN3191would
be a better approach?)

In project B I am using the two scripts defined here (which I have copied
to site_scons/site_tools ):
http://www.scons.org/wiki/DownloadUnpack









*env.Tool('URLDownload', '#site_scons/site_tools')env.Tool('Unpack',
'#site_scons/site_tools')env.Replace(URLDOWNLOAD_USEURLFILENAME =  False
)ouutdir = Entry('outdir')a = env.Alias('abc',
env.URLDownload(gtestOutputFile, gtestUrl))b = env.Alias('xyz', env.Unpack(
ouutdir, gtestOutputFile ))*


but when I run 'scons abc' it appears that it runs xyz first (complain
about the file not existing).

If I remove *b* *a* is executed just fine. And if I re-enable *b* it
extract the file downloaded in *a*. Why is *b* run before *a*?
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