[Scons-users] Implicit cache error after running a successful build

Matias Iturburu matias.iturburu at tallertechnologies.com
Thu Oct 31 21:13:00 EDT 2013

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2013/10/31 Bill Deegan <bill at baddogconsulting.com>

> Dirk,

>

> Can you take a look at this?

> Looks like maybe something funky with the QT4 tool.

>

> -Bill

>

>

Chances are it's something funky in my tool, as dirk's is throughly tested.
What I'd need is some guidance to pin point where the bug is triggered...

>

> On Thu, Oct 31, 2013 at 1:21 PM, Matias Iturburu <

> matias.iturburu at tallertechnologies.com> wrote:

>

>>

>>

>>

>> 2013/10/31 Bill Deegan <bill at baddogconsulting.com>

>>

>>> Matias,

>>>

>>> Does this happen if you are not running SCons in interactive mode?

>>> Can you see what depends on the .H file via : scons --tree=prune?

>>>

>>

>>

>> Interesting. Never used the --tree option.

>>

>> I get this:

>>

>> +-biopp:astyle

>> +-projects/biopp

>> | +-build/biopp/src/bio_molecular/bio_molecular.cpp

>> | +-build/biopp/src/bio_molecular/triplets.cpp

>> | +-build/biopp/src/rna_structure/rna_structure.cpp

>> | +-build/biopp/biopp/biopp.h

>> | +-projects/biopp/SConscript

>> | +-projects/biopp/bio_molecular.H

>> | +-projects/biopp/bio_molecular.h

>> | +-projects/biopp/bio_molecular.hh

>> | +-projects/biopp/bio_molecular.hpp

>> | +-projects/biopp/bio_molecular.hxx

>> | +-projects/biopp/biopp

>> | | +-projects/biopp/biopp/bio_alphabets_test.H

>> ..... Long list follows

>>

>> I grepped for *hxx* and it's only present in the qt4 tool, disabling it

>> does in fact makes the error code go away and prints a cleaned tree.

>> I would like to keep using the tool and to know what would be triggering

>> this behavior.

>> Any Idea?

>>

>>

>>

>>

>>> -Bill

>>>

>>>

>>> On Thu, Oct 31, 2013 at 11:39 AM, Matias Iturburu <

>>> matias.iturburu at tallertechnologies.com> wrote:

>>>

>>>>

>>>>

>>>>

>>>> 2013/10/31 William Deegan <bill at baddogconsulting.com>

>>>>

>>>>> Matias,

>>>>>

>>>>> My bet is you have an emitter which is manually adding ".H" somewhere?

>>>>>

>>>>

>>>> Aside from Dirk's qt4 tool there are no emitters in my environment, and

>>>> AFAIK the tool's emitter does not do that.

>>>>

>>>>

>>>>

>>>>>

>>>>> -Bill

>>>>>

>>>>> On Oct 31, 2013, at 6:22 AM, Matias Iturburu <

>>>>> matias.iturburu at tallertechnologies.com> wrote:

>>>>>

>>>>>

>>>>>

>>>>>

>>>>> 2013/10/31 Dirk Bächle <tshortik at gmx.de>

>>>>>

>>>>>> Hi Matías,

>>>>>>

>>>>>>

>>>>>>

>>>>> Such emphasis :) . Hi Dirk.

>>>>>

>>>>>

>>>>>> On 30.10.2013 18:48, Matias Iturburu wrote:

>>>>>>

>>>>>> Hello list.

>>>>>> I have a Builder to run Astyle (http://astyle.sourceforge.net/) to

>>>>>> my builds.

>>>>>> Thing is recently I've started getting this message when I try

>>>>>> running it:

>>>>>>

>>>>>> [...]

>>>>>> ipdb> n

>>>>>> scons: *** [biopp:astyle] Implicit dependency

>>>>>> `projects/biopp/bio_molecular.H' not found, needed by target `biopp:astyle'.

>>>>>>

>>>>>> Which is relevant as the offending file (*

>>>>>> projects/biopp/bio_molecular.H*) exists in my source but with the

>>>>>> appropriate lowercase *h *and after following the traceback I don't

>>>>>> see where the path gets mangled.

>>>>>>

>>>>>> So my question is: What is this "implicit dependency" thing, how it

>>>>>> works and how do I get it to tell me what is happening with my files?

>>>>>>

>>>>>>

>>>>>> "implicit dependency" means that SCons has scanned the source files

>>>>>> for your "astyle" target(s) and detected that one of them includes the

>>>>>> header file "bio_molecular.H". If you want to get rid of this error, you

>>>>>> should search though your sources for the offending line and correct it to

>>>>>> "bio_molecular.h" (with lower capital "h").

>>>>>>

>>>>>>

>>>>> That was the first thing that came to mind. But there isn't any

>>>>> occurrence of bio_molecular.H with uppercase H in my source files:

>>>>>

>>>>> biopp/$ grep -R bio_molecular.H *

>>>>> biopp/$ grep -R "bio_molecular\.H" *

>>>>> biopp/$ grep -R "bio_molecular\.h" *

>>>>> biopp/bio_molecular/exceptions.h: bio_molecular.h: Molecular

>>>>> Biology ++ Header file.

>>>>> biopp/bio_molecular/bio_molecular.h: bio_molecular.h: Molecular

>>>>> Biology ++ Header file.

>>>>> biopp/bio_molecular/definitions.h: bio_molecular.h: Molecular

>>>>> Biology ++ Header file.

>>>>> biopp/biopp.h: #include "biopp/bio_molecular/bio_molecular.h"

>>>>> tools/generate_graph.cpp:#include "biopp/bio_molecular/bio_molecular.h"

>>>>>

>>>>> I'm not saying that the issue is with scons proper, I'm sure I'm

>>>>> messing something somewhere. But I need to understand where this process

>>>>> (the implicit dependency search) is taking place so I can trace where the

>>>>> file name is getting mangled.

>>>>> It puzzles me that the astyle subprocess is being run and the "error"

>>>>> is rising afterwards.

>>>>>

>>>>>

>>>>>

>>>>>> Best regards,

>>>>>>

>>>>>> Dirk

>>>>>>

>>>>>>

>>>>>> _______________________________________________

>>>>>> Scons-users mailing list

>>>>>> Scons-users at scons.org

>>>>>> http://four.pairlist.net/mailman/listinfo/scons-users

>>>>>>

>>>>>>

>>>>>

>>>>>

>>>>> --

>>>>> <http://www.tallertechnologies.com/>

>>>>> Matías Iturburu

>>>>> Software Engineer

>>>>>

>>>>> *San Lorenzo 47, 3rd Floor, Office 5

>>>>> Córdoba, Argentina

>>>>>

>>>>> *

>>>>> *Phone: +54 351 4217888 / +54 351 4218211

>>>>> Skype: matias.iturburu*

>>>>> _______________________________________________

>>>>> Scons-users mailing list

>>>>> Scons-users at scons.org

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>>>>>

>>>>>

>>>>>

>>>>> _______________________________________________

>>>>> Scons-users mailing list

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>>>>>

>>>>>

>>>>

>>>>

>>>> --

>>>> <http://www.tallertechnologies.com>

>>>> Matías Iturburu

>>>> Software Engineer

>>>>

>>>> *San Lorenzo 47, 3rd Floor, Office 5

>>>> Córdoba, Argentina

>>>>

>>>> *

>>>> *Phone: +54 351 4217888 / +54 351 4218211

>>>> Skype: matias.iturburu*

>>>>

>>>> _______________________________________________

>>>> Scons-users mailing list

>>>> Scons-users at scons.org

>>>> http://four.pairlist.net/mailman/listinfo/scons-users

>>>>

>>>>

>>>

>>> _______________________________________________

>>> Scons-users mailing list

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>>> http://four.pairlist.net/mailman/listinfo/scons-users

>>>

>>>

>>

>>

>> --

>> <http://www.tallertechnologies.com>

>> Matías Iturburu

>> Software Engineer

>>

>> *San Lorenzo 47, 3rd Floor, Office 5

>> Córdoba, Argentina

>>

>> *

>> *Phone: +54 351 4217888 / +54 351 4218211

>> Skype: matias.iturburu*

>>

>> _______________________________________________

>> Scons-users mailing list

>> Scons-users at scons.org

>> http://four.pairlist.net/mailman/listinfo/scons-users

>>

>>

>

> _______________________________________________

> Scons-users mailing list

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>

>

--
<http://www.tallertechnologies.com>
Matías Iturburu
Software Engineer

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

*
*Phone: +54 351 4217888 / +54 351 4218211
Skype: matias.iturburu*
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