[Cmake] Can I use CMAKE_COMPILER_IS_GNUCXX

[Miller, James V (Research)]

It may... never timed it.  'Course I can't imagine why there is
a limit anyway.  I would guess that it would increase the memory
usage of the compiler not necessary the speed.

For ITK, we set the template depth to be 50.	




> -----Original Message-----
> From: Ian Scott [mailto:ian.m.scott at stud.man.ac.uk]
> Sent: Tuesday, September 17, 2002 1:12 PM
> To: Miller, James V (Research)
> Subject: RE: [Cmake] Can I use CMAKE_COMPILER_IS_GNUCXX
> 
> 
> Would that not slow down compilation of everything?
> 
> > -----Original Message-----
> > From: Miller, James V (Research) [mailto:millerjv at crd.ge.com]
> > Sent: Tuesday, September 17, 2002 6:06 PM
> > To: Ian Scott; Cmake at Public. Kitware. Com (E-mail)
> > Subject: RE: [Cmake] Can I use CMAKE_COMPILER_IS_GNUCXX
> > 
> > 
> > Why not just bump the template limit globally?
> > 
> > 
> > > -----Original Message-----
> > > From: Ian Scott [mailto:ian.m.scott at stud.man.ac.uk]
> > > Sent: Tuesday, September 17, 2002 12:49 PM
> > > To: Cmake at Public. Kitware. Com (E-mail)
> > > Subject: [Cmake] Can I use CMAKE_COMPILER_IS_GNUCXX
> > > 
> > > 
> > > I need to set a specific flag for a specific file for a 
> > > specific compiler
> > > 
> > > The closest I can get is
> > > 
> > > IF (CMAKE_COMPILER_IS_GNUCXX)
> > > 
> > > SET_SOURCE_FILES_PROPERTIES(Templates/vsl_vector_io+vcl_vector
> > > _vcl_vector_vn
> > > l_vector~-.cxx COMPILE_FLAGS -ftemplate-depth-25)
> > > ENDIF(CMAKE_COMPILER_IS_GNUCXX)
> > > 
> > > However, CMAKE_COMPILER_IS_GNUCXX is an internal variable. 
> > > Does that mean
> > > that I shouldn't use it - will it change between versions? If 
> > > so is there
> > > some better way of determining if gcc is being used?
> > > 
> > > Ian.
> > > 
> > > 
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> > 
>