[Scons-users] Builder execution order?

[Leandro Moreno]

You can do that "xyz" depends on "abc" so, if you try to execute "xyz",
"abc" will be executed first. I supose that you run "abc", "xyz" doesn't
have to run first. Is so weird if It still happen.


On Fri, Jan 17, 2014 at 5:49 AM, delbert dev <delbertum at gmail.com> wrote:


> That gives nothing:

>

> *user at ubuntu:~/tmp/af_test$ scons --tree=prune*

> *scons: Reading SConscript files ...*

> *scons: *** source file [gtest-1.7.0.zip] must be exist  Stop.*

>

>

> I am running SCons version 2.3:

>

> *$ scons --version*

> *SCons by Steven Knight et al.:*

> * script: v2.3.0, 2013/03/03 09:48:35, by garyo on reepicheep*

> * engine: v2.3.0, 2013/03/03 09:48:35, by garyo on reepicheep*

> * engine path: ['/usr/lib/scons/SCons']*

> *Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,

> 2011, 2012, 2013 The SCons Foundation*

>

>

>

>

>

>

> On Fri, Jan 17, 2014 at 6:03 AM, William Deegan <bill at baddogconsulting.com

> > wrote:

>

>> Delbert,

>>

>> On Jan 16, 2014, at 4:21 PM, delbert dev <delbertum at gmail.com> wrote:

>>

>> 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*?

>>

>>

>> Try running:

>> scons --tree=prune

>> That should give a visual picture of the dependencies that SCons expects.

>>

>> -Bill

>>

>> _______________________________________________

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>>

>>

>

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>



-- 
<http://www.tallertechnologies.com>
Leandro Moreno
Intern Engineer

San Lorenzo 47, 3rd Floor, Office 5
Córdoba, Argentina

Phone: +54 351 4217888 / +54 351 4218211
Skype: letossgm
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