[CMake] Fortran 77 with Absoft

[cgen.cmake at laposte.net]

 Thanks for answer :-)
I was in work travel at the end of last week.
So I can work on cmake only from now.
Thanks for all those infomations; it will help me.
Christophe


> Message du 31/03/08 18:48
> De : "Alan W. Irwin"
> A : cgen.cmake at laposte.net
> Copie à : cmake at cmake.org
> Objet : Re: [CMake] (no subject)
>
> On 2008-03-31 11:36+0200 cgen.cmake at laposte.net wrote:
>
> > Hello cmake users.
> > I choose cmake to build a big project. This project contains Fortran 77 (the most numerous), C, and C++ source files, and only one executable built from all source files.
> > It works well with gnu g77 compiler. But with Absoft compiler, the option -fPIC is used at linking without i ask it. So I get an error : ERROR: Unrecognized arguments: -fPIC I do not find this option in Absoft compiler documentation. I would like to remove -fPIC in linking option but i do not know how.
> > Any idea ? Thanks in advance for any answer.
> > best regards Christophe
>
> Try
>
> SET(CMAKE_SHARED_LIBRARY_Fortran_FLAGS "")
>
> I am not sure that will work, but I notice that variable is set to "-fPIC"
> quite a few places in ..../Modules/Platform where CMake stores customizations
> for particular compilers/linkers.
>
> The problem with setting the CMAKE_SHARED_LIBRARY_Fortran_FLAGS variable is
> it only works if you always use the absoft compiler.  A much better approach
> would be to have a quick look at the *Fortran* files in ..../Modules to see
> how Fortran compiler/linker customization is set up then follow those rules
> to set up your own absoft-specific customization file.
>
> PLplot does this as follows:
>
> # Location where PLplot cmake build system first looks for cmake modules.
> set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/modules)
>
> We then put our two specific compiler customizations in
> cmake/modules/Platform/.  These are customization files for windows
> compilers and nothing to do with absoft, but you could similarly make your
> absoft CMake customizations in your own software project this way.
>
> Once you are satisfied with your absoft customization, then I would urge you
> to donate your file to CMake so others will benefit as well.  (IIRC, Arjen
> Markus did this for his two PLplot windows compiler customization files for
> PLplot a couple of years ago, but apparently the results were lost in the
> CMake bug tracker so we will probably make the attempt to donate that work
> again once we have verified it works for CMake cvs)
>
> N.B. CMake 2.4.8 Fortran support really sucks (you will require a number of
> ugly Fortran workarounds if you use 2.4.8) so I advise you strongly to use
> the CMake cvs version (which I checked above for absoft customizations) or
> else the recently released CMake 2.6.0 Beta.
>
> Alan
> __________________________
> Alan W. Irwin
>
> Astronomical research affiliation with Department of Physics and Astronomy,
> University of Victoria (astrowww.phys.uvic.ca).
>
> Programming affiliations with the FreeEOS equation-of-state implementation
> for stellar interiors (freeeos.sf.net); PLplot scientific plotting software
> package (plplot.org); the libLASi project (unifont.org/lasi); the Loads of
> Linux Links project (loll.sf.net); and the Linux Brochure Project
> (lbproject.sf.net).
> __________________________
>
> Linux-powered Science
> __________________________
>
> 







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