Re: [PATCH] gnu: Add GCC front ends for Fortran, Go, Objective C, and Objective C++.

[ludo@gnu.org (Ludovic Courtès)]

Nikita Karetnikov <nikita@karetnikov.org> skribis:

>>> If you want to test any of the front-ends, don’t forget to set
>>> LIBRARY_PATH and LD_LIBRARY_PATH, like so:
>>>
>>> $ export LIBRARY_PATH=/nix/store/wmaxqx3p658v2yqjv00mss2shvn23h7a-glibc-2.18/lib
>>> $ export LD_LIBRARY_PATH=/nix/store/kvhg0fszagsx5y80sq79bkmb7yqvjfmd-gcc-go-4.8.1/lib
>
>> I guess that’s unnecessary when using ‘ld-wrapper’.
>
> I know nothing about it.  Could you elaborate?

‘ld-wrapper’ is a wrapper around the linker that adds a -rpath argument
for each -l argument (see the top of ld-wrapper.scm), such that all the
needed libraries are in the resulting binary’s RUNPATH.

> I tested each front end using the “hello, world” program.  Is it enough?

Yes.

> From be260e7d9d4a7592129c0369eee52b156170d1cf Mon Sep 17 00:00:00 2001
> From: Nikita Karetnikov <nikita@karetnikov.org>
> Date: Thu, 31 Oct 2013 19:54:36 +0000
> Subject: [PATCH] gnu: Add GCC front ends for Fortran, Go, Objective C, and
>  Objective C++.
>
> * gnu/packages/gcc.scm (custom-gcc, gfortran-4.8, gccgo-4.8)
>   (gcc-objc-4.8, gcc-objc++-4.8): New variables.
> ---
>  gnu/packages/gcc.scm |   29 +++++++++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
>
> diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
> index dde0f0d..60bc5bb 100644
> --- a/gnu/packages/gcc.scm
> +++ b/gnu/packages/gcc.scm
> @@ -27,6 +27,7 @@
>    #:use-module (guix packages)
>    #:use-module (guix download)
>    #:use-module (guix build-system gnu)
> +  #:use-module (guix utils)
>    #:use-module (ice-9 regex))
>  
>  (define %gcc-infrastructure
> @@ -211,6 +212,34 @@ Go.  It also includes standard libraries for these languages.")
>                (base32
>                 "1j6dwgby4g3p3lz7zkss32ghr45zpdidrg8xvazvn91lqxv25p09"))))))
>  
> +(define (custom-gcc gcc name languages)

Please add a docstring here, and then OK to push.

Thank you!

Ludo’.