Re: [PATCH] gnu: Add erlang.

[Leo Famulari <leo@famulari.name>]

On Sun, Jan 03, 2016 at 09:20:45PM -0800, Steve Sprang wrote:
> I originally tried that tarball but I get an error downloading it:
> 
> $ guix download
> http://www.erlang.org/download/otp_src_18.2.1.tar.gz
> 
> From http://www.erlang.org/download/otp_src_18.2.1.tar.gz...
> ERROR: Bad qstring header component: kMSMAn68110840

Weird. I wonder if that is related to the recent discussion about
Guile's http client being strict and rejecting non-standard headers?

> 
> -Steve
> 
> 
> On Sun, Jan 3, 2016 at 8:39 PM, Leo Famulari <leo@famulari.name> wrote:
> > On Sun, Jan 03, 2016 at 07:56:07PM -0800, Steve Sprang wrote:
> >> Add the Erlang programming language.
> >>
> >> Is there a better way to substitute "/usr/bin/env" with (which "env")?
> >> There are a number of files throughout the source tree that require
> >> the substitution, but there's not a handy way to identify many of them
> >> without explicitly listing them.
> >>
> >> -Steve
> >
> >> From d31d3b2ece298b3e7610890390a7a12f865be881 Mon Sep 17 00:00:00 2001
> >> From: Steve Sprang <scs@stevesprang.com>
> >> Date: Sun, 3 Jan 2016 19:46:40 -0800
> >> Subject: [PATCH] gnu: Add erlang.
> >>
> >> * gnu/packages/erlang.scm: New file.
> >> * gnu-system.am (GNU_SYSTEM_MODULES): Add it.
> >> ---
> >>  gnu-system.am           |  1 +
> >>  gnu/packages/erlang.scm | 82 +++++++++++++++++++++++++++++++++++++++++++++++++
> >>  2 files changed, 83 insertions(+)
> >>  create mode 100644 gnu/packages/erlang.scm
> >>
> >> diff --git a/gnu-system.am b/gnu-system.am
> >> index c0f8fac..19d0ec5 100644
> >> --- a/gnu-system.am
> >> +++ b/gnu-system.am
> >> @@ -99,6 +99,7 @@ GNU_SYSTEM_MODULES =                                \
> >
> > [...]
> >
> >> +    (native-inputs
> >> +     `(("perl" ,perl)
> >> +       ("autoconf" ,autoconf)))
> >
> > The tarball available on erlang.org is already bootstrapped. If we use
> > that one, we don't need to explicitly include autoconf and we don't need
> > the 'prep-configure phase.
> >
> > This seems to be the correct URL for downloading the current and past
> > releases (there is no "archive" directory linked anywhere that I saw):
> > http://www.erlang.org/download/otp_src_18.2.1.tar.gz
> >
> >> +    (inputs
> >> +     `(("ncurses" ,ncurses)
> >> +       ("openssl" ,openssl)))
> >> +    (arguments
> >> +     `(#:phases
> >> +       (modify-phases %standard-phases
> >> +      (add-after
> >> +          'patch-source-shebangs 'patch-source-env
> >> +        (lambda* _
> >> +          (let ((escripts
> >> +                 (append
> >> +                  (find-files "." "\\.escript")
> >> +                  (find-files "lib/stdlib/test/escript_SUITE_data/")
> >> +                  '("erts/lib_src/utils/make_atomics_api"
> >> +                    "erts/preloaded/src/add_abstract_code"
> >> +                    "lib/diameter/bin/diameterc"
> >> +                    "lib/reltool/examples/display_args"
> >> +                    "lib/reltool/examples/mnesia_core_dump_viewer"
> >> +                    "lib/snmp/src/compile/snmpc.src"
> >> +                    "make/verify_runtime_dependencies"
> >> +                    "make/emd2exml.in"))))
> >> +            (substitute* escripts
> >> +              (("/usr/bin/env") (which "env"))))))
> >> +      (add-before
> >> +          'configure 'prep-configure
> >> +        (lambda* _
> >> +          (setenv "ERL_TOP" (getcwd))
> >> +          (zero? (system* "./otp_build" "autoconf")))))
> >> +       #:test-target "release_tests"))
> >> +    (home-page "http://erlang.org/")
> >> +    (synopsis "The Erlang programming language")
> >> +    (description
> >> +     "Erlang is a programming language used to build massively
> >> +scalable soft real-time systems with requirements on high
> >> +availability.  Some of its uses are in telecoms, banking, e-commerce,
> >> +computer telephony and instant messaging.  Erlang's runtime system has
> >> +built-in support for concurrency, distribution and fault tolerance.")
> >> +    (license license:asl2.0)))
> >> --
> >> 2.6.3
> >>
> >