Re: [PATCH] gnu: Add moreutils.

[Mark H Weaver <mhw@netris.org>]

David Thompson <dthompson2@worcester.edu> writes:

> "Taylan Ulrich Bayırlı/Kammer" <taylanbayirli@gmail.com> writes:
>
>> From c770ed88c66c10de47e8fe7f84c3df6cf7b14aa4 Mon Sep 17 00:00:00 2001
>> From: =?UTF-8?q?Taylan=20Ulrich=20Bay=C4=B1rl=C4=B1/Kammer?=
>>  <taylanbayirli@gmail.com>
>> Date: Sun, 1 Feb 2015 02:21:11 +0100
>> Subject: [PATCH] gnu: Add moreutils.
>>
>> * gnu-system.am (GNU_SYSTEM_MODULES): Add moreutils.scm.
>> * gnu/packages/moreutils.scm: New file.
>> ---
>>  gnu-system.am              |  1 +
>>  gnu/packages/moreutils.scm | 71 ++++++++++++++++++++++++++++++++++++++++++++++
>>  2 files changed, 72 insertions(+)
>>  create mode 100644 gnu/packages/moreutils.scm
>>
>> diff --git a/gnu-system.am b/gnu-system.am
>> index 706ad57..8ae5b79 100644
>> --- a/gnu-system.am
>> +++ b/gnu-system.am
>> @@ -187,6 +187,7 @@ GNU_SYSTEM_MODULES =				\
>>    gnu/packages/miscfiles.scm			\
>>    gnu/packages/mit-krb5.scm			\
>>    gnu/packages/moe.scm				\
>> +  gnu/packages/moreutils.scm			\
>>    gnu/packages/mpd.scm				\
>>    gnu/packages/mp3.scm				\
>>    gnu/packages/mpi.scm				\
>> diff --git a/gnu/packages/moreutils.scm b/gnu/packages/moreutils.scm
>> new file mode 100644
>> index 0000000..da3df89
>> --- /dev/null
>> +++ b/gnu/packages/moreutils.scm
>> @@ -0,0 +1,71 @@
>> +;;; GNU Guix --- Functional package management for GNU
>> +;;; Copyright © 2014 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
>> +;;;
>> +;;; This file is part of GNU Guix.
>> +;;;
>> +;;; GNU Guix is free software; you can redistribute it and/or modify it
>> +;;; under the terms of the GNU General Public License as published by
>> +;;; the Free Software Foundation; either version 3 of the License, or (at
>> +;;; your option) any later version.
>> +;;;
>> +;;; GNU Guix is distributed in the hope that it will be useful, but
>> +;;; WITHOUT ANY WARRANTY; without even the implied warranty of
>> +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
>> +;;; GNU General Public License for more details.
>> +;;;
>> +;;; You should have received a copy of the GNU General Public License
>> +;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
>> +
>> +(define-module (gnu packages moreutils)
>> +  #:use-module ((guix licenses) #:prefix l:)
>> +  #:use-module (guix packages)
>> +  #:use-module (guix download)
>> +  #:use-module (guix build-system gnu)
>> +  #:use-module (gnu packages perl)
>> +  #:use-module (gnu packages xml)
>> +  #:use-module (gnu packages docbook))
>> +
>> +(define-public moreutils
>> +  (package
>> +    (name "moreutils")
>> +    (version "0.55")
>> +    (source (origin
>> +              (method url-fetch)
>> +              (uri (string-append
>> +                    "http://ftp.debian.org/debian/pool/main/m/moreutils/moreutils_"
>> +                    version ".orig.tar.gz"))
>> +              (sha256
>> +               (base32
>> +                "1dcah2jx8dbznn8966xl7sf1jrld2qfh6l6xcmx9dsnf8p8mr7fs"))))
>> +    (build-system gnu-build-system)
>> +    (inputs `(("perl" ,perl)
>> +              ("libxml2" ,libxml2)
>> +              ("libxslt" ,libxslt)
>> +              ("docbook-xml" ,docbook-xml-4.4)
>> +              ("docbook-xsl" ,docbook-xsl)))
>> +    (arguments
>> +     `(#:phases
>> +       (alist-replace
>> +        'configure
>> +        (lambda* (#:key inputs outputs #:allow-other-keys)
>> +          (let ((out (assoc-ref outputs "out"))
>> +                (docbook-xml (assoc-ref inputs "docbook-xml"))
>> +                (docbook-xsl (assoc-ref inputs "docbook-xsl")))
>> +            (substitute* "Makefile"
>> +              (("PREFIX\\?=/usr")
>> +               (string-append "PREFIX?=" out))
>
> In GNU Make, the '?=' operator for variable assignment means "assign if
> the variable isn't already defined"[1].  So, rather than a substitution,
> how about just setting an environment variable?
>
>   (setenv "PREFIX" out)

Another way is to add "PREFIX=..." to #:make-flags like this:

  #:make-flags (list (string-append "PREFIX=" (assoc-ref %outputs "out")))

See 'freedink-data' in gnu/packages/games.scm for an example of this.

      Mark