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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.org>
+;;;
+;;; 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 gawk)
+ #:use-module (guix licenses)
+ #:use-module (gnu packages libsigsegv)
+ #:use-module (guix packages)
+ #:use-module (guix download)
+ #:use-module (guix utils)
+ #:use-module (guix build-system gnu))
+
+(define-public gawk
+ (package
+ (name "gawk")
+ (version "4.0.0")
+ (source (origin
+ (method url-fetch)
+ (uri (string-append "mirror://gnu/gawk/gawk-" version
+ ".tar.bz2"))
+ (sha256
+ (base32 "0sss7rhpvizi2a88h6giv0i7w5h07s2fxkw3s6n1hqvcnhrfgbb0"))))
+ (build-system gnu-build-system)
+ (arguments
+ (case-lambda
+ ((system)
+ `(#:parallel-tests? #f ; test suite fails in parallel
+
+ ;; Work around test failure on Cygwin.
+ #:tests? ,(not (string=? system "i686-cygwin"))
+
+ #:phases (alist-cons-before
+ 'configure 'set-shell-file-name
+ (lambda* (#:key inputs #:allow-other-keys)
+ ;; Refer to the right shell.
+ (let ((bash (assoc-ref inputs "bash")))
+ (substitute* "io.c"
+ (("/bin/sh")
+ (string-append bash "/bin/bash")))))
+ %standard-phases)))
+ ((system cross-system)
+ '(#:parallel-tests? #f))))
+ (inputs `(("libsigsegv" ,libsigsegv)))
+ (home-page "http://www.gnu.org/software/gawk/")
+ (synopsis "GNU implementation of the Awk programming language")
+ (description
+ "Many computer users need to manipulate text files: extract and then
+operate on data from parts of certain lines while discarding the rest, make
+changes in various text files wherever certain patterns appear, and so on.
+To write a program to do these things in a language such as C or Pascal is a
+time-consuming inconvenience that may take many lines of code. The job is
+easy with awk, especially the GNU implementation: Gawk.
+
+The awk utility interprets a special-purpose programming language that makes
+it possible to handle many data-reformatting jobs with just a few lines of
+code.")
+ (license gpl3+)))