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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2012 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 readline)
+ #:use-module (guix licenses)
+ #:use-module (distro)
+ #:use-module (gnu packages ncurses)
+ #:use-module (guix packages)
+ #:use-module (guix download)
+ #:use-module (guix utils)
+ #:use-module (guix build-system gnu))
+
+(define-public readline
+ (let ((post-install-phase
+ '(lambda* (#:key outputs #:allow-other-keys)
+ (let* ((out (assoc-ref outputs "out"))
+ (lib (string-append out "/lib")))
+ ;; Make libraries writable so that `strip' can work.
+ ;; Failing to do that, it bails out with "Permission
+ ;; denied".
+ (for-each (lambda (f) (chmod f #o755))
+ (find-files lib "\\.so"))
+ (for-each (lambda (f) (chmod f #o644))
+ (find-files lib "\\.a"))))))
+ (package
+ (name "readline")
+ (version "6.2")
+ (source (origin
+ (method url-fetch)
+ (uri (string-append "mirror://gnu/readline/readline-"
+ version ".tar.gz"))
+ (sha256
+ (base32
+ "10ckm2bd2rkxhvdmj7nmbsylmihw0abwcsnxf8y27305183rd9kr"))))
+ (build-system gnu-build-system)
+ (propagated-inputs `(("ncurses" ,ncurses)))
+ (inputs `(("patch/link-ncurses"
+ ,(search-patch "readline-link-ncurses.patch"))))
+ (arguments `(#:patches (list (assoc-ref %build-inputs
+ "patch/link-ncurses"))
+ #:patch-flags '("-p0")
+ #:configure-flags
+ (list (string-append "LDFLAGS=-Wl,-rpath -Wl,"
+ (assoc-ref %build-inputs "ncurses")
+ "/lib"))
+
+ #:phases (alist-cons-after
+ 'install 'post-install
+ ,post-install-phase
+ %standard-phases)))
+ (synopsis "GNU Readline, a library for interactive line editing")
+ (description
+ "The GNU Readline library provides a set of functions for use by
+applications that allow users to edit command lines as they are typed in.
+Both Emacs and vi editing modes are available. The Readline library includes
+additional functions to maintain a list of previously-entered command lines,
+to recall and perhaps reedit those lines, and perform csh-like history
+expansion on previous commands.
+
+The history facilites are also placed into a separate library, the History
+library, as part of the build process. The History library may be used
+without Readline in applications which desire its capabilities.")
+ (license gpl3+)
+ (home-page "http://savannah.gnu.org/projects/readline/"))))