[CMake] getting undefined error to my own libs.

[eial at cs.bgu.ac.il]

how much can this bloat my executable?
On Tue 29 Dec 19:16 2009 Aaron_Wright at selinc.com wrote:
> With templates it's easiest to declare
> and implement in one file. The compiler likes this. Anything else you try
> requires extra work. Unless you're working in an embedded environment I
> don't see how executable size should even be a concern.
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> Aaron Wright
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> "eial at cs.bgu.ac.il"
> <eial at cs.bgu.ac.il> 
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> 12/29/2009 09:11 AM
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> Aaron_Wright at selinc.com
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> cc
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> cmake at cmake.org
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> Subject
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> Re: [CMake] getting undefined error
> to my own libs.
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I'm trying to refrain from using that because it can bloat
> up the executable size... unless you can tell me otherwise. in general
> the program will be compiled using g++ for now, maybe I'll add support
> for windows compiler later.
> also, I'm trying to keep the definitions to the header files and the code
> to the src files.
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On Tue 29 Dec 18:59 2009 Aaron_Wright at selinc.com
> wrote:
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Just put the implementation of the template
> class in the declaration. Get that to work, then try to get fancy if you
> want to. 
> ---------------------------------------------------------
> Aaron Wright 
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> "eial at cs.bgu.ac.il"
> <eial at cs.bgu.ac.il> 
> Sent by: cmake-bounces at cmake.org 
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> 12/29/2009 08:54 AM
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> To
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> Eric Noulard <eric.noulard at gmail.com>
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> cc
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> cmake at cmake.org
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> Subject
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> Re: [CMake] getting undefined error
> to my own libs.
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> ok, I've read the links, let say I'm not use the export option, when I
> look at the how to avoid link errors here: http://www.parashift.com/c++-faq-lite/templates.html#faq-35.13[1]
> I see that what I've did is the same, isn't it? 
> I'm not sure where to follow from here... if I've did what they say and
> I still get a undefined error, then I must have miss configured cmake.
> when I add extern to the deceleration in the header, I get this error:
> storage class specified for `Array`
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> On Tue 29 Dec 17:16 2009 Eric Noulard wrote:
> > 2009/12/29 eial at cs.bgu.ac.il <eial at cs.bgu.ac.il>:
> > > hello Eric, thanks for the response.
> > > I'd like to solve the Array issue first, then the boost because
> I have a feeling it is a different one because when I disable the relevant
> code it doesn't generates the error even when other parts of the program
> (such as the threadpool).
> > > here are the array files content: http://codepad.org/klDWMowB[2]
> > 
> > I assume the content of the .hpp is between #ifndef CARRAY_HPP
> > then the code is the .cpp file.
> > 
> > The trouble comes from the fact that your class is a template one,
> > so that the content of the .cpp file may not be compiled independently
> > "as-is" because it must be instantiated first.
> > 
> > I invite you to read this:
> > http://www.parashift.com/c++-faq-lite/templates.html#faq-35.12[3]
> > and may be this one too:
> > http://corfield.org/index.cfm/event/cplusplus.section/section/ptexp[4]
> > 
> > Note that the "export keyword" solution may not be a good
> one
> > because many compilers do not implement it, beginning with gcc:
> > http://gcc.gnu.org/bugs/#nonbugs_cxx[5]
> > 
> > > beside a strange typo that I've done, I don't thing I've miss
> configured it somehow.
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> > I think may be you did not played a lot with templated classes.
> > (just a guess I may be wrong).
> > 
> > Concerning this issue, I'm pretty sure this is not a CMake one.
> > 
> > -- 
> > Erk
> > Membre de l'April - « promouvoir et défendre le logiciel libre » -
> > http://www.april.org[6]
> > 
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References:
  1 : http://www.parashift.com/c++-faq-lite/templates.html#faq-35.13
  2 : http://codepad.org/klDWMowB
  3 : http://www.parashift.com/c++-faq-lite/templates.html#faq-35.12
  4 : http://corfield.org/index.cfm/event/cplusplus.section/section/ptexp
  5 : http://gcc.gnu.org/bugs/#nonbugs_cxx
  6 : http://www.april.org/
  7 : http://www.kitware.com/opensource/opensource.html
  8 : http://www.cmake.org/Wiki/CMake_FAQ
  9 : http://www.cmake.org/mailman/listinfo/cmake
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