[Scons-users] Builder execution order?

[Leandro Moreno]

On Fri, Jan 17, 2014 at 12:19 PM, delbert dev <delbertum at gmail.com> wrote:


> Same result:

>

> *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 have also tried with the Depends

>

> *http://www.scons.org/doc/0.96.1/HTML/scons-user/x959.html

> <http://www.scons.org/doc/0.96.1/HTML/scons-user/x959.html> *

>

>

> env = Environment()

> * gtestUrl = buildUrl('com.google', 'gtest', '1.7.0', 'zip')*

> gtestOutputFile = 'gtest-1.7.0.zip'

> *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 ))

> *Depends(a,b)*

>

Depends(b, a)
You need execute a first.


>

>

> *user at ubuntu:~/tmp/af_test$ **scons*

> *scons: Reading SConscript files ...*

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

>

>  where Unpack is:

>

> https://raw.github.com/flashpixx/Storage/master/Scons/site_scons/site_tools/Unpack.py

>

>

>

>

> On Fri, Jan 17, 2014 at 3:52 PM, Kenny, Jason L <jason.l.kenny at intel.com>wrote:

>

>>  Try

>>

>> scons –tree=prune .

>>

>>

>>

>> Notice the “.”

>>

>>

>>

>> Jason

>>

>>

>>

>> *From:* scons-users-bounces at scons.org [mailto:

>> scons-users-bounces at scons.org] *On Behalf Of *delbert dev

>> *Sent:* Friday, January 17, 2014 2:49 AM

>> *To:* SCons users mailing list

>> *Subject:* Re: [Scons-users] Builder execution order?

>>

>>

>>

>> 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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>>

>>

>

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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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