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

[William Deegan]

Matias,

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

-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

> 

> 

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> 

> 

> -- 

> 

> 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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