[jackhill/guix/guix.git] / gnu / packages / vnc.scm

;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 Todor Kondić <tk.code@protonmail.com>
;;; Copyright © 2020 Oleg Pykhalov <go.wigust@gmail.com>
;;; Copyright © 2020 Hartmut Goebel <h.goebel@crazy-compilers.com>
;;; Copyright © 2020 Marius Bakke <marius@gnu.org>
;;; Copyright © 2020 Vincent Legoll <vincent.legoll@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 vnc)
  #:use-module (guix build-system cmake)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix packages)
  #:use-module (guix utils)
  #:use-module (gnu packages)
  #:use-module (gnu packages autotools)
  #:use-module (gnu packages base)
  #:use-module (gnu packages cmake)
  #:use-module (gnu packages commencement)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages fltk)
  #:use-module (gnu packages gettext)
  #:use-module (gnu packages gnupg)
  #:use-module (gnu packages image)
  #:use-module (gnu packages linux)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages sdl)
  #:use-module (gnu packages tls)
  #:use-module (gnu packages xdisorg)
  #:use-module (gnu packages xorg))

(define-public tigervnc-client
  (package
    (name "tigervnc-client")
    (version "1.11.0")
    (source (origin
              (method git-fetch)
              (uri
               (git-reference
                (url "https://github.com/TigerVNC/tigervnc")
                (commit (string-append "v" version))))
              (sha256
               (base32
                "1bg79ahr4mzy48ak0caxy3ckdsxmhpchypggaz6lxjjk92hgsz91"))
              (file-name (git-file-name name version))))
    (build-system cmake-build-system)
    (arguments
     '(#:tests? #f ; Tests that do exists are not automated.
       #:phases (modify-phases %standard-phases
                  (replace 'install
                    (lambda* (#:key outputs #:allow-other-keys)
                      (with-directory-excursion "vncviewer"
                        (invoke "make" "install")))))))
    (native-inputs
     `(("autoconf" ,autoconf)
       ("gettext-minimal" ,gettext-minimal)
       ("automake" ,automake)))
    (inputs
     `(("zlib" ,zlib)
       ("gnutls" ,gnutls)
       ("libjpeg-turbo" ,libjpeg-turbo)
       ("fltk" ,fltk)
       ("linux-pam" ,linux-pam)
       ("libx11" ,libx11)
       ("libxext" ,libxext)
       ("libxtst" ,libxtst)
       ("libxrandr" ,libxrandr)
       ("libxdamage" ,libxdamage)
       ("pixman" ,pixman)))
    (home-page "https://tigervnc.org/")
    (synopsis "High-performance, platform-neutral
implementation of VNC (client)")
    (description "TigerVNC is a client/server implementation of VNC (Virtual
Network Computing).  It provides enough performance to run even 3D and video
applications.  It also provides extensions for advanced authentication methods
and TLS encryption.  This package installs only the VNC client, the
application which is needed to connect to VNC servers.")
    (license license:gpl2)))

;; A VNC server is, in fact, an X server so it seems like a good idea
;; to build on the work already done for xorg-server package.  This is
;; not entirely compatible with the recommendation in BUILDING.txt
;; where the client is built first, then the source code of the X
;; server is copied into a subdir of the build directory, patched with
;; VNC additions and then build and installed as Xvnc.  The procedure
;; was turned around, where TigerVNC code is downloaded and built
;; inside the Guix X server build dir. Also, the VNC patching process
;; for the X server is automated in a straightforward manner.
(define-public tigervnc-server
  (package
    (inherit xorg-server)
    (name "tigervnc-server")
    (version (package-version tigervnc-client))
    (native-inputs
     `(("tigervnc-src" ,(package-source tigervnc-client))
       ("autoconf" ,autoconf)
       ("automake" ,automake)
       ("libtool" ,libtool)
       ("gettext-minimal" ,gettext-minimal)
       ("font-util" ,font-util)
       ("cmake" ,cmake)
       ("gcc-toolchain" ,gcc-toolchain)
       ("perl" ,perl)
       ,@(package-native-inputs tigervnc-client)
       ,@(package-inputs tigervnc-client)
       ,@(package-native-inputs xorg-server)))
    (inputs
     `(("perl" ,perl)
       ("coreutils" ,coreutils)
       ("xauth" ,xauth)
       ,@(package-inputs xorg-server)))
    (propagated-inputs
     `(("xauth" ,xauth)
       ,@(package-propagated-inputs xorg-server)))
    (arguments
     (substitute-keyword-arguments
         (package-arguments xorg-server)
       ((#:configure-flags flags)
        `(append '("--with-pic"         ; Taken from BUILDING.txt
                   "--without-dtrace"
                   "--disable-static"
                   "--disable-dri2"
                   "--disable-xinerama"
                   "--disable-xvfb"
                   "--disable-xnest"
                   "--disable-xorg"
                   "--disable-dmx"
                   "--disable-xwin"
                   "--disable-xephyr"
                   "--disable-kdrive"
                   ;; "--disable-config-dbus" ; This was a warning.
                   "--disable-config-hal"
                   "--disable-config-udev"
                   "--disable-dri2"
                   ;; "--enable-install-libxf86config" ; This, too, was a warning.
                   "--enable-glx")
                 (delete "--enable-xephyr" ,flags)))
       ((#:modules modules)
        `(append '((ice-9 ftw)
                   (ice-9 match)
                   (guix build utils)
                   (guix build gnu-build-system))
                 modules))
       ((#:phases phases)
        `(modify-phases ,phases
           (delete 'check)              ;)
           (add-after 'unpack 'copy-tvnc-xserver
             (lambda _
               (let*
                   ((tvnc-src (assoc-ref %build-inputs "tigervnc-src"))
                    (tvnc-xserver (string-append tvnc-src "/unix/xserver")))
                 (copy-recursively tvnc-xserver ".")
                 #t)))
           (add-after 'copy-tvnc-xserver 'patch-xserver
             (lambda _
               (let*
                   ((tvnc-src (assoc-ref %build-inputs "tigervnc-src"))
                    (xorg-server-version ,(package-version xorg-server))
                    (which-patch (lambda ()
                                   (let*
                                       ((patch-num (apply string-append
                                                          (list-head (string-split xorg-server-version
                                                                                   #\.)
                                                                     2)))
                                        (fn (format #f "~a/unix/xserver~a.patch" tvnc-src patch-num)))
                                     (when (not (file-exists? fn))
                                       (error (format #f "Patch file, ~a,
corresponding to the input xorg-server version, does not exist.  Installation
will fail.  " fn)))

                                     fn))) ; VNC patches for xserver have the
                                           ; form xserverXY[Y].patch, where
                                           ; X.Y[Y].Z is the Xorg server
					; version.
                    (xserver-patch (which-patch)))
                 (invoke "patch" "-p1" "-i" xserver-patch)
                 (invoke "autoreconf" "-fiv"))))
           (add-before 'build 'build-tigervnc
             (lambda _
               (let* ((out (assoc-ref %outputs "out"))
                      (tvnc-src (assoc-ref %build-inputs "tigervnc-src"))
                      (tvnc-build (string-append (getcwd) "/tigervnc-build")))
                 (mkdir-p tvnc-build)
                 (with-directory-excursion tvnc-build
                   (invoke "cmake" "-G" "Unix Makefiles"
                           (string-append "-DCMAKE_INSTALL_PREFIX=" out)
                           tvnc-src)
                   (invoke "make" "-j" (number->string (parallel-job-count)))))))
           (replace 'build
             (lambda _
               (let*  ((tvnc-src (assoc-ref %build-inputs "tigervnc-src"))
                       (tvnc-build (string-append (getcwd) "/tigervnc-build"))
                       (srcarg (string-append "TIGERVNC_SRCDIR=" tvnc-src))
                       (buildarg (string-append "TIGERVNC_BUILDDIR=" tvnc-build)))
                 (invoke "make" srcarg buildarg "-j"
                         (number->string (parallel-job-count))))))
           (add-before 'install 'install-tigervnc-aux
             (lambda _
               (let*  ((out (assoc-ref %outputs 'out))
                       (tvnc-src (assoc-ref %build-inputs "tigervnc-src"))
                       (tvnc-build (string-append (getcwd) "/tigervnc-build"))
                       (srcarg (string-append "TIGERVNC_SRCDIR=" tvnc-src))
                       (buildarg (string-append "TIGERVNC_BUILDDIR=" tvnc-build)))
                 (with-directory-excursion (string-append tvnc-build "/unix")
                   (invoke "make" srcarg buildarg "install")))))
           (replace 'install
             (lambda* _
               (let*  ((tvnc-src (assoc-ref %build-inputs "tigervnc-src"))
                       (tvnc-build (string-append (getcwd) "/tigervnc-build"))
                       (srcarg (string-append "TIGERVNC_SRCDIR=" tvnc-src))
                       (buildarg (string-append "TIGERVNC_BUILDDIR=" tvnc-build)))
                 (invoke "make" "install" srcarg buildarg))))))))
    (description "TigerVNC is a client/server implementation of VNC (Virtual
Network Computing).  It provides enough performance to run even 3D and video
applications.  It also provides extensions for advanced authentication methods
and TLS encryption.  This package installs the VNC server, a program that will
enable users with VNC clients to log into a graphical session on the machine
where the server is installed.")))

(define-public libvnc
  (package
    (name "libvnc")
    (version "0.9.13")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/LibVNC/libvncserver")
             (commit (string-append "LibVNCServer-" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "0zz0hslw8b1p3crnfy3xnmrljik359h83dpk64s697dqdcrzy141"))))
    (build-system cmake-build-system)
    (arguments
     '(#:phases (modify-phases %standard-phases
                  (add-after 'unpack 'patch-cc-reference
                    (lambda _
                      (substitute* "test/includetest.sh"
                        (("^cc -I")
                         "gcc -I"))
                      #t)))))
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (inputs
     `(("gnutls" ,gnutls)
       ("libgcrypt" ,libgcrypt)
       ("libjpeg" ,libjpeg-turbo)
       ("libpng" ,libpng)
       ("lzo" ,lzo)
       ("sdl2" ,sdl2)))
    (home-page "https://libvnc.github.io/")
    (synopsis "Cross-platform C libraries for implementing VNC server or
client")
    (description "This package provides @code{LibVNCServer} and
@code{LibVNCClient}.  These are cross-platform C libraries that allow you to
easily implement VNC server or client functionality in your program.")
    (license ;; GPL for programs, FDL for documentation
     (list license:gpl2+ license:fdl1.2+))))
Commit	Line	Data
0d85401d	1	;; GNU Guix --- Functional package management for GNU
0992cfa1	2	;;; Copyright © 2019 Todor Kondić <tk.code@protonmail.com>
3d4bf400	3	;;; Copyright © 2020 Oleg Pykhalov <go.wigust@gmail.com>
a789f654	4	;;; Copyright © 2020 Hartmut Goebel <h.goebel@crazy-compilers.com>
2195ad6b	5	;;; Copyright © 2020 Marius Bakke <marius@gnu.org>
0d85401d	6	;;; Copyright © 2020 Vincent Legoll <vincent.legoll@gmail.com>
0992cfa1 TK	7	;;;
	8	;;; This file is part of GNU Guix.
	9	;;;
	10	;;; GNU Guix is free software; you can redistribute it and/or modify it
	11	;;; under the terms of the GNU General Public License as published by
	12	;;; the Free Software Foundation; either version 3 of the License, or (at
	13	;;; your option) any later version.
	14	;;;
	15	;;; GNU Guix is distributed in the hope that it will be useful, but
	16	;;; WITHOUT ANY WARRANTY; without even the implied warranty of
	17	;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	;;; GNU General Public License for more details.
	19	;;;
	20	;;; You should have received a copy of the GNU General Public License
	21	;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
	22
94c7ef93 HG	23	(define-module (gnu packages vnc)
	24	#:use-module (guix build-system cmake)
	25	#:use-module (guix download)
	26	#:use-module (guix git-download)
	27	#:use-module ((guix licenses) #:prefix license:)
	28	#:use-module (guix packages)
	29	#:use-module (guix utils)
a789f654	30	#:use-module (gnu packages)
0992cfa1	31	#:use-module (gnu packages autotools)
94c7ef93 HG	32	#:use-module (gnu packages base)
	33	#:use-module (gnu packages cmake)
	34	#:use-module (gnu packages commencement)
0992cfa1	35	#:use-module (gnu packages compression)
0992cfa1	36	#:use-module (gnu packages fltk)
94c7ef93	37	#:use-module (gnu packages gettext)
a789f654	38	#:use-module (gnu packages gnupg)
0992cfa1	39	#:use-module (gnu packages image)
94c7ef93	40	#:use-module (gnu packages linux)
0992cfa1	41	#:use-module (gnu packages perl)
a789f654 HG	42	#:use-module (gnu packages pkg-config)
a789f654 HG	43	#:use-module (gnu packages sdl)
94c7ef93	44	#:use-module (gnu packages tls)
0d85401d	45	#:use-module (gnu packages xdisorg)
94c7ef93	46	#:use-module (gnu packages xorg))
0992cfa1 TK	47
0992cfa1 TK	48	(define-public tigervnc-client
0d85401d VL	49	(package
	50	(name "tigervnc-client")
	51	(version "1.11.0")
	52	(source (origin
	53	(method git-fetch)
	54	(uri
	55	(git-reference
	56	(url "https://github.com/TigerVNC/tigervnc")
	57	(commit (string-append "v" version))))
	58	(sha256
	59	(base32
	60	"1bg79ahr4mzy48ak0caxy3ckdsxmhpchypggaz6lxjjk92hgsz91"))
	61	(file-name (git-file-name name version))))
	62	(build-system cmake-build-system)
	63	(arguments
	64	'(#:tests? #f ; Tests that do exists are not automated.
	65	#:phases (modify-phases %standard-phases
	66	(replace 'install
	67	(lambda* (#:key outputs #:allow-other-keys)
	68	(with-directory-excursion "vncviewer"
	69	(invoke "make" "install")))))))
	70	(native-inputs
	71	`(("autoconf" ,autoconf)
	72	("gettext-minimal" ,gettext-minimal)
	73	("automake" ,automake)))
	74	(inputs
	75	`(("zlib" ,zlib)
	76	("gnutls" ,gnutls)
	77	("libjpeg-turbo" ,libjpeg-turbo)
	78	("fltk" ,fltk)
	79	("linux-pam" ,linux-pam)
	80	("libx11" ,libx11)
	81	("libxext" ,libxext)
	82	("libxtst" ,libxtst)
	83	("libxrandr" ,libxrandr)
	84	("libxdamage" ,libxdamage)
	85	("pixman" ,pixman)))
	86	(home-page "https://tigervnc.org/")
	87	(synopsis "High-performance, platform-neutral
0992cfa1	88	implementation of VNC (client)")
0d85401d	89	(description "TigerVNC is a client/server implementation of VNC (Virtual
0992cfa1 TK	90	Network Computing). It provides enough performance to run even 3D and video
	91	applications. It also provides extensions for advanced authentication methods
	92	and TLS encryption. This package installs only the VNC client, the
	93	application which is needed to connect to VNC servers.")
0d85401d	94	(license license:gpl2)))
04784d21 TK	95
	96	;; A VNC server is, in fact, an X server so it seems like a good idea
	97	;; to build on the work already done for xorg-server package. This is
	98	;; not entirely compatible with the recommendation in BUILDING.txt
	99	;; where the client is built first, then the source code of the X
	100	;; server is copied into a subdir of the build directory, patched with
	101	;; VNC additions and then build and installed as Xvnc. The procedure
	102	;; was turned around, where TigerVNC code is downloaded and built
	103	;; inside the Guix X server build dir. Also, the VNC patching process
	104	;; for the X server is automated in a straightforward manner.
	105	(define-public tigervnc-server
	106	(package
	107	(inherit xorg-server)
	108	(name "tigervnc-server")
d58c9574	109	(version (package-version tigervnc-client))
04784d21	110	(native-inputs
d58c9574	111	`(("tigervnc-src" ,(package-source tigervnc-client))
04784d21 TK	112	("autoconf" ,autoconf)
	113	("automake" ,automake)
	114	("libtool" ,libtool)
	115	("gettext-minimal" ,gettext-minimal)
	116	("font-util" ,font-util)
	117	("cmake" ,cmake)
	118	("gcc-toolchain" ,gcc-toolchain)
	119	("perl" ,perl)
	120	,@(package-native-inputs tigervnc-client)
	121	,@(package-inputs tigervnc-client)
	122	,@(package-native-inputs xorg-server)))
	123	(inputs
	124	`(("perl" ,perl)
	125	("coreutils" ,coreutils)
	126	("xauth" ,xauth)
	127	,@(package-inputs xorg-server)))
	128	(propagated-inputs
	129	`(("xauth" ,xauth)
	130	,@(package-propagated-inputs xorg-server)))
	131	(arguments
	132	(substitute-keyword-arguments
	133	(package-arguments xorg-server)
	134	((#:configure-flags flags)
	135	`(append '("--with-pic" ; Taken from BUILDING.txt
	136	"--without-dtrace"
	137	"--disable-static"
	138	"--disable-dri2"
	139	"--disable-xinerama"
	140	"--disable-xvfb"
	141	"--disable-xnest"
	142	"--disable-xorg"
	143	"--disable-dmx"
	144	"--disable-xwin"
d8de3856	145	"--disable-xephyr"
04784d21 TK	146	"--disable-kdrive"
	147	;; "--disable-config-dbus" ; This was a warning.
	148	"--disable-config-hal"
	149	"--disable-config-udev"
	150	"--disable-dri2"
	151	;; "--enable-install-libxf86config" ; This, too, was a warning.
	152	"--enable-glx")
d8de3856	153	(delete "--enable-xephyr" ,flags)))
04784d21 TK	154	((#:modules modules)
	155	`(append '((ice-9 ftw)
	156	(ice-9 match)
	157	(guix build utils)
	158	(guix build gnu-build-system))
	159	modules))
	160	((#:phases phases)
	161	`(modify-phases ,phases
	162	(delete 'check) ;)
	163	(add-after 'unpack 'copy-tvnc-xserver
	164	(lambda _
	165	(let*
	166	((tvnc-src (assoc-ref %build-inputs "tigervnc-src"))
	167	(tvnc-xserver (string-append tvnc-src "/unix/xserver")))
	168	(copy-recursively tvnc-xserver ".")
	169	#t)))
	170	(add-after 'copy-tvnc-xserver 'patch-xserver
	171	(lambda _
	172	(let*
	173	((tvnc-src (assoc-ref %build-inputs "tigervnc-src"))
	174	(xorg-server-version ,(package-version xorg-server))
	175	(which-patch (lambda ()
	176	(let*
	177	((patch-num (apply string-append
	178	(list-head (string-split xorg-server-version
	179	#\.)
	180	2)))
d58c9574	181	(fn (format #f "~a/unix/xserver~a.patch" tvnc-src patch-num)))
04784d21	182	(when (not (file-exists? fn))
d58c9574	183	(error (format #f "Patch file, ~a,
04784d21 TK	184	corresponding to the input xorg-server version, does not exist. Installation
	185	will fail. " fn)))
	186
	187	fn))) ; VNC patches for xserver have the
	188	; form xserverXY[Y].patch, where
	189	; X.Y[Y].Z is the Xorg server
	190	; version.
	191	(xserver-patch (which-patch)))
	192	(invoke "patch" "-p1" "-i" xserver-patch)
	193	(invoke "autoreconf" "-fiv"))))
	194	(add-before 'build 'build-tigervnc
	195	(lambda _
	196	(let* ((out (assoc-ref %outputs "out"))
	197	(tvnc-src (assoc-ref %build-inputs "tigervnc-src"))
	198	(tvnc-build (string-append (getcwd) "/tigervnc-build")))
	199	(mkdir-p tvnc-build)
	200	(with-directory-excursion tvnc-build
	201	(invoke "cmake" "-G" "Unix Makefiles"
	202	(string-append "-DCMAKE_INSTALL_PREFIX=" out)
	203	tvnc-src)
	204	(invoke "make" "-j" (number->string (parallel-job-count)))))))
	205	(replace 'build
	206	(lambda _
	207	(let* ((tvnc-src (assoc-ref %build-inputs "tigervnc-src"))
	208	(tvnc-build (string-append (getcwd) "/tigervnc-build"))
	209	(srcarg (string-append "TIGERVNC_SRCDIR=" tvnc-src))
	210	(buildarg (string-append "TIGERVNC_BUILDDIR=" tvnc-build)))
	211	(invoke "make" srcarg buildarg "-j"
	212	(number->string (parallel-job-count))))))
	213	(add-before 'install 'install-tigervnc-aux
	214	(lambda _
	215	(let* ((out (assoc-ref %outputs 'out))
	216	(tvnc-src (assoc-ref %build-inputs "tigervnc-src"))
	217	(tvnc-build (string-append (getcwd) "/tigervnc-build"))
	218	(srcarg (string-append "TIGERVNC_SRCDIR=" tvnc-src))
	219	(buildarg (string-append "TIGERVNC_BUILDDIR=" tvnc-build)))
	220	(with-directory-excursion (string-append tvnc-build "/unix")
	221	(invoke "make" srcarg buildarg "install")))))
	222	(replace 'install
	223	(lambda* _
	224	(let* ((tvnc-src (assoc-ref %build-inputs "tigervnc-src"))
	225	(tvnc-build (string-append (getcwd) "/tigervnc-build"))
	226	(srcarg (string-append "TIGERVNC_SRCDIR=" tvnc-src))
	227	(buildarg (string-append "TIGERVNC_BUILDDIR=" tvnc-build)))
	228	(invoke "make" "install" srcarg buildarg))))))))
	229	(description "TigerVNC is a client/server implementation of VNC (Virtual
	230	Network Computing). It provides enough performance to run even 3D and video
	231	applications. It also provides extensions for advanced authentication methods
	232	and TLS encryption. This package installs the VNC server, a program that will
	233	enable users with VNC clients to log into a graphical session on the machine
	234	where the server is installed.")))
a789f654 HG	235
	236	(define-public libvnc
	237	(package
	238	(name "libvnc")
2195ad6b	239	(version "0.9.13")
a789f654 HG	240	(source
	241	(origin
	242	(method git-fetch)
	243	(uri (git-reference
b0e7b699	244	(url "https://github.com/LibVNC/libvncserver")
a789f654 HG	245	(commit (string-append "LibVNCServer-" version))))
	246	(file-name (git-file-name name version))
	247	(sha256
2195ad6b	248	(base32 "0zz0hslw8b1p3crnfy3xnmrljik359h83dpk64s697dqdcrzy141"))))
a789f654	249	(build-system cmake-build-system)
2195ad6b MB	250	(arguments
	251	'(#:phases (modify-phases %standard-phases
	252	(add-after 'unpack 'patch-cc-reference
	253	(lambda _
	254	(substitute* "test/includetest.sh"
	255	(("^cc -I")
	256	"gcc -I"))
	257	#t)))))
a789f654 HG	258	(native-inputs
	259	`(("pkg-config" ,pkg-config)))
	260	(inputs
	261	`(("gnutls" ,gnutls)
	262	("libgcrypt" ,libgcrypt)
12d8adbf	263	("libjpeg" ,libjpeg-turbo)
a789f654 HG	264	("libpng" ,libpng)
	265	("lzo" ,lzo)
	266	("sdl2" ,sdl2)))
	267	(home-page "https://libvnc.github.io/")
	268	(synopsis "Cross-platform C libraries for implementing VNC server or
	269	client")
	270	(description "This package provides @code{LibVNCServer} and
	271	@code{LibVNCClient}. These are cross-platform C libraries that allow you to
	272	easily implement VNC server or client functionality in your program.")
	273	(license ;; GPL for programs, FDL for documentation
	274	(list license:gpl2+ license:fdl1.2+))))