gnu: Add curl.

* gnu/packages/curl.scm: New file.
* Makefile.am (MODULES): Add it.

Makefile.am

@@ -59,6 +59,7 @@ MODULES =					\
   gnu/packages/check.scm			\
   gnu/packages/compression.scm			\
   gnu/packages/cpio.scm				\
+  gnu/packages/curl.scm				\
   gnu/packages/cyrus-sasl.scm			\
   gnu/packages/dejagnu.scm			\
   gnu/packages/ddrescue.scm			\

gnu/packages/curl.scm

@@ -0,0 +1,81 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
+;;;
+;;; 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 curl)
+  #:use-module ((guix licenses)
+                #:renamer (symbol-prefix-proc 'license:))
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages gnutls)
+  #:use-module (gnu packages groff)
+  #:use-module (gnu packages gsasl)
+  #:use-module (gnu packages libidn)
+  #:use-module (gnu packages openldap)
+  #:use-module (gnu packages perl)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages ssh))
+
+(define-public curl
+  (package
+   (name "curl")
+   (version "7.28.1")
+   (source (origin
+            (method url-fetch)
+            (uri (string-append "http://curl.haxx.se/download/curl-"
+                                version ".tar.lzma"))
+            (sha256
+             (base32
+              "13bhfs41yf60ys2hrikqxjwfzaj0gm91kqzsgc5fr4grzmpm38nx"))))
+   (build-system gnu-build-system)
+   (inputs `(("gnutls" ,gnutls)
+             ;; to enable the --manual option and make test 1026 pass
+             ("groff" ,groff)
+             ("gss" ,gss)
+             ("libidn" ,libidn)
+             ("libssh2" ,libssh2)
+             ("openldap" ,openldap)
+             ("perl" ,perl)
+             ("pkg-config" ,pkg-config)
+             ("zlib" ,zlib)))
+   (arguments
+    `(#:configure-flags '("--with-gnutls" "--with-gssapi")
+      #:phases
+       (alist-replace
+        'unpack
+        (lambda* (#:key #:allow-other-keys #:rest args)
+         (let ((unpack (assoc-ref %standard-phases 'unpack)))
+           (apply unpack args)
+           ;; The following patch-shebang phase will replace perl
+           ;; by the correct path.
+           (substitute* "tests/runtests.pl"
+                         (("#!/usr/bin/env perl") "#!/usr/bin/perl"))))
+       %standard-phases)))
+   (synopsis "curl, command line tool for transferring data with URL syntax")
+   (description
+    "curl is a command line tool for transferring data with URL syntax,
+supporting DICT, FILE, FTP, FTPS, Gopher, HTTP, HTTPS, IMAP, IMAPS, LDAP,
+LDAPS, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMTP, SMTPS, Telnet and TFTP.
+curl supports SSL certificates, HTTP POST, HTTP PUT, FTP uploading,
+HTTP form based upload, proxies, cookies, user+password authentication
+(Basic, Digest, NTLM, Negotiate, kerberos...), file transfer resume,
+proxy tunneling, and so on")
+   (license (license:bsd-style "file://COPYING"
+                       "See COPYING in the distribution."))
+   (home-page "http://curl.haxx.se/")))