compilers PortGroup

[Mark Brethen]

Having looked at the examples, this one is similar to what I tried (and fails to build):

compilers.choose    fc cc
compilers.setup     require_fortran -g95 -clang

:info:build make: *** [ccx_2.18.a] Error 1
:info:build make: Leaving directory `/opt/local/var/macports/build/_Users_marbre_ports_cad_CalculiX-ccx/CalculiX-ccx/work/ccx_2.18/src'
:info:build Command failed:  cd "/opt/local/var/macports/build/_Users_marbre_ports_cad_CalculiX-ccx/CalculiX-ccx/work/ccx_2.18/src" && /usr/bin/make -j1 -w CC=/usr/bin/clang FC= CFLAGS="-O2 -I../../spooles-2.2/ -DARCH=Linux -DSPOOLES -DARPACK -DMATRIXSTORAGE -DUSE_MT=1" DIR="../../spooles-2.2" 
:info:build Exit code: 2
:error:build Failed to build CalculiX-ccx: command execution failed
:debug:build Error code: CHILDSTATUS 48534 2
:debug:build Backtrace: command execution failed
:debug:build     while executing
:debug:build "system {*}$notty {*}$callback {*}$nice $fullcmdstring"
:debug:build     invoked from within
:debug:build "command_exec -callback portprogress::target_progress_callback build"
:debug:build     (procedure "portbuild::build_main" line 8)
:debug:build     invoked from within
:debug:build "$procedure $targetname"


whereas adding a whitelist succeeds (using gfortran):

compiler.whitelist  macports-gcc-11
compilers.choose    fc cc
compilers.setup     require_fortran -g95 -clang

Is this a difference between mp and apple gcc?


Mark Brethen
mark.brethen at gmail.com



> On Jul 3, 2022, at 2:50 PM, David Strubbe <dstrubbe at macports.org> wrote:
> 
> Hello Mark,
> 
> I think you may have a basic misunderstanding here. The compilers portgroup provides variants that select compilers, rather than being a way to select the compiler in the portfile. It will provide gcc/gfortran (in specific versions). If something like clang doesn't work, you remove it from the variants list. "active_variants" is about compatibility of compilers used by dependences. As far as I know, variants are definitely still the recommended way of handling compiler selection. I suggest you look at some examples to see how to use compilers portgroup. I made many in the science category, such as octopus, sparskit, berkeleygw, libxc.
> 
> David
> 
> On Sat, Jul 2, 2022 at 4:20 PM Mark Brethen <mark.brethen at gmail.com <mailto:mark.brethen at gmail.com>> wrote:
> This port does not have config, so I’m having to pass the build args. How do I specify a gcc (gfortran) compiler? Clang doesn’t work.
> 
> Thanks,
> Mark
> 
> 
> 
> > On Jul 2, 2022, at 2:21 PM, Mark Brethen <mark.brethen at gmail.com <mailto:mark.brethen at gmail.com>> wrote:
> > 
> > Still not working…
> > <main.log>
> > 
> > 
> > Mark Brethen
> > mark.brethen at gmail.com <mailto:mark.brethen at gmail.com>
> > 
> > 
> > 
> >> On Jul 2, 2022, at 2:15 PM, Mark Brethen <mark.brethen at gmail.com <mailto:mark.brethen at gmail.com>> wrote:
> >> 
> >> I should have looked at the active-variants tcl:
> >> 
> >> require_active_variants arpack accelerate mpich
> >> 
> >> should be
> >> 
> >> require_active_variants arpack "accelerate mpich"
> >> 
> >> Mark Brethen
> >> mark.brethen at gmail.com <mailto:mark.brethen at gmail.com>
> >> 
> >> 
> >> 
> >>> On Jul 2, 2022, at 1:48 PM, Mark Brethen <mark.brethen at gmail.com <mailto:mark.brethen at gmail.com>> wrote:
> >>> 
> >>> Attaching log
> >>> <main.log>
> >>> 
> >>> Mark
> >>> 
> >>> 
> >>> 
> >>>> On Jul 2, 2022, at 9:22 AM, Mark Brethen <mark.brethen at gmail.com <mailto:mark.brethen at gmail.com>> wrote:
> >>>> 
> >>>> I looked at the compilers PortGroup tcl but can’t figure out how to set up gcc (for gfortran). I tried setting "compilers.choose cc” and “compilers.setup require_fortran” but it continues to use clang.
> >>>> 
> >>>> Thanks
> >>>> Mark
> >>>> 
> >>>> 
> >>> 
> >> 
> > 
> 

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