gnu/packages/graph.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2017, 2018, 2019, 2020 Ricardo Wurmus <rekado@elephly.net>
   3 ;;; Copyright © 2018 Joshua Sierles, Nextjournal <joshua@nextjournal.com>
   4 ;;; Copyright © 2018, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
   5 ;;; Copyright © 2019 Efraim Flashner <efraim@flashner.co.il>
   6 ;;; Copyright © 2019 Andreas Enge <andreas@enge.fr>
   7 ;;; Copyright © 2020 Alexander Krotov <krotov@iitp.ru>
   8 ;;; Copyright © 2020 Pierre Langlois <pierre.langlos@gmx.com>
   9 ;;;
  10 ;;; This file is part of GNU Guix.
  11 ;;;
  12 ;;; GNU Guix is free software; you can redistribute it and/or modify it
  13 ;;; under the terms of the GNU General Public License as published by
  14 ;;; the Free Software Foundation; either version 3 of the License, or (at
  15 ;;; your option) any later version.
  16 ;;;
  17 ;;; GNU Guix is distributed in the hope that it will be useful, but
  18 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;;; GNU General Public License for more details.
  21 ;;;
  22 ;;; You should have received a copy of the GNU General Public License
  23 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  24
  25 (define-module (gnu packages graph)
  26   #:use-module (guix download)
  27   #:use-module (guix git-download)
  28   #:use-module (guix packages)
  29   #:use-module (guix utils)
  30   #:use-module (guix build-system cmake)
  31   #:use-module (guix build-system gnu)
  32   #:use-module (guix build-system python)
  33   #:use-module (guix build-system r)
  34   #:use-module ((guix licenses) #:prefix license:)
  35   #:use-module (gnu packages)
  36   #:use-module (gnu packages gcc)
  37   #:use-module (gnu packages autotools)
  38   #:use-module (gnu packages bioconductor)
  39   #:use-module (gnu packages bioinformatics)
  40   #:use-module (gnu packages check)
  41   #:use-module (gnu packages compression)
  42   #:use-module (gnu packages cran)
  43   #:use-module (gnu packages gd)
  44   #:use-module (gnu packages graphviz)
  45   #:use-module (gnu packages maths)
  46   #:use-module (gnu packages multiprecision)
  47   #:use-module (gnu packages pkg-config)
  48   #:use-module (gnu packages python)
  49   #:use-module (gnu packages python-science)
  50   #:use-module (gnu packages python-web)
  51   #:use-module (gnu packages python-xyz)
  52   #:use-module (gnu packages statistics)
  53   #:use-module (gnu packages swig)
  54   #:use-module (gnu packages time)
  55   #:use-module (gnu packages xml))
  56
  57 (define-public igraph
  58   (package
  59     (name "igraph")
  60     (version "0.8.2")
  61     (source
  62      (origin
  63        (method url-fetch)
  64        (uri (string-append "https://github.com/igraph/igraph/releases/"
  65                            "download/" version "/igraph-" version ".tar.gz"))
  66        (sha256
  67         (base32 "158flvl80qh1l1ikfa04p1dzh8kapsvm6q80x3ih5gwcgcg4g2ki"))))
  68     (build-system gnu-build-system)
  69     (arguments
  70      `(#:configure-flags
  71        (list "--with-external-glpk"
  72              "--with-external-blas"
  73              "--with-external-lapack")))
  74     (inputs
  75      `(("gmp" ,gmp)
  76        ("glpk" ,glpk)
  77        ("libxml2" ,libxml2)
  78        ("lapack" ,lapack)
  79        ("openblas" ,openblas)
  80        ("zlib" ,zlib)))
  81     (home-page "https://igraph.org")
  82     (synopsis "Network analysis and visualization")
  83     (description
  84      "This package provides a library for the analysis of networks and graphs.
  85 It can handle large graphs very well and provides functions for generating
  86 random and regular graphs, graph visualization, centrality methods and much
  87 more.")
  88     (license license:gpl2+)))
  89
  90 (define-public python-igraph
  91   (package (inherit igraph)
  92     (name "python-igraph")
  93     (version "0.8.2")
  94     (source
  95      (origin
  96        (method url-fetch)
  97        (uri (pypi-uri "python-igraph" version))
  98        (sha256
  99         (base32 "0wkxrs28qdvnrz7d4jzcf2bh6v2yqzx3wyfziihfgsi2gn6n60a6"))))
 100     (build-system python-build-system)
 101     (arguments
 102      '(#:configure-flags
 103        (list "--use-pkg-config")
 104        #:phases
 105        (modify-phases %standard-phases
 106          (replace 'build
 107            (lambda _
 108              (invoke "python" "./setup.py" "build" "--use-pkg-config")))
 109          (delete 'check)
 110          (add-after 'install 'check
 111            (lambda* (#:key inputs outputs #:allow-other-keys)
 112              (add-installed-pythonpath inputs outputs)
 113              (invoke "pytest" "-v"))))))
 114     (inputs
 115      `(("igraph" ,igraph)))
 116     (propagated-inputs
 117      `(("python-texttable" ,python-texttable)))
 118     (native-inputs
 119      `(("pkg-config" ,pkg-config)
 120        ("python-pytest" ,python-pytest)))
 121     (home-page "https://pypi.org/project/python-igraph/")
 122     (synopsis "Python bindings for the igraph network analysis library")))
 123
 124 (define-public r-igraph
 125   (package
 126     (name "r-igraph")
 127     (version "1.2.5")
 128     (source
 129      (origin
 130        (method url-fetch)
 131        (uri (cran-uri "igraph" version))
 132        (sha256
 133         (base32
 134          "126z1ygbmi3g7hk97snf22rnx680dyi30idssm5zacba5rdngp8c"))))
 135     (build-system r-build-system)
 136     (native-inputs
 137      `(("gfortran" ,gfortran)))
 138     (inputs
 139      `(("gmp" ,gmp)
 140        ("glpk" ,glpk)
 141        ("libxml2" ,libxml2)
 142        ("zlib" ,zlib)))
 143     (propagated-inputs
 144      `(("r-magrittr" ,r-magrittr)
 145        ("r-matrix" ,r-matrix)
 146        ("r-pkgconfig" ,r-pkgconfig)))
 147     (home-page "https://igraph.org")
 148     (synopsis "Network analysis and visualization")
 149     (description
 150      "This package provides routines for simple graphs and network analysis.
 151 It can handle large graphs very well and provides functions for generating
 152 random and regular graphs, graph visualization, centrality methods and much
 153 more.")
 154     (license license:gpl2+)))
 155
 156 (define-public r-diffusionmap
 157   (package
 158     (name "r-diffusionmap")
 159     (version "1.2.0")
 160     (source
 161      (origin
 162        (method url-fetch)
 163        (uri (cran-uri "diffusionMap" version))
 164        (sha256
 165         (base32
 166          "1rvk7069brlm1s9kqj4c31mwwr3mw4hmhay95cjjjfmw5xclff2j"))))
 167     (properties `((upstream-name . "diffusionMap")))
 168     (build-system r-build-system)
 169     (propagated-inputs
 170      `(("r-igraph" ,r-igraph)
 171        ("r-matrix" ,r-matrix)
 172        ("r-scatterplot3d" ,r-scatterplot3d)))
 173     (home-page "https://www.r-project.org")
 174     (synopsis "Diffusion map")
 175     (description "This package implements the diffusion map method of data
 176 parametrization, including creation and visualization of diffusion maps,
 177 clustering with diffusion K-means and regression using the adaptive regression
 178 model.")
 179     (license license:gpl2)))
 180
 181 (define-public r-rgraphviz
 182   (package
 183     (name "r-rgraphviz")
 184     (version "2.32.0")
 185     (source
 186      (origin
 187        (method url-fetch)
 188        (uri (bioconductor-uri "Rgraphviz" version))
 189        (sha256
 190         (base32
 191          "1calpvzgcz6v7s4x6bf35kj83sga95zjp7x87p5d3qnbv7q2wz5y"))))
 192     (properties `((upstream-name . "Rgraphviz")))
 193     (build-system r-build-system)
 194     ;; FIXME: Rgraphviz bundles the sources of an older variant of
 195     ;; graphviz.  It does not build with the latest version of graphviz, so
 196     ;; we do not add graphviz to the inputs.
 197     (inputs `(("zlib" ,zlib)))
 198     (propagated-inputs
 199      `(("r-graph" ,r-graph)))
 200     (native-inputs
 201      `(("pkg-config" ,pkg-config)))
 202     (home-page "https://bioconductor.org/packages/Rgraphviz")
 203     (synopsis "Plotting capabilities for R graph objects")
 204     (description
 205      "This package interfaces R with the graphviz library for plotting R graph
 206 objects from the @code{graph} package.")
 207     (license license:epl1.0)))
 208
 209 (define-public r-rbiofabric
 210   (let ((commit "666c2ae8b0a537c006592d067fac6285f71890ac")
 211         (revision "1"))
 212     (package
 213       (name "r-rbiofabric")
 214       (version (string-append "0.3-" revision "." (string-take commit 7)))
 215       (source (origin
 216                 (method git-fetch)
 217                 (uri (git-reference
 218                       (url "https://github.com/wjrl/RBioFabric")
 219                       (commit commit)))
 220                 (file-name (string-append name "-" version "-checkout"))
 221                 (sha256
 222                  (base32
 223                   "1yahqrcrqpbcywv73y9rlmyz8apdnp08afialibrr93ch0p06f8z"))))
 224       (build-system r-build-system)
 225       (propagated-inputs
 226        `(("r-igraph" ,r-igraph)))
 227       (home-page "http://www.biofabric.org/")
 228       (synopsis "BioFabric network visualization")
 229       (description "This package provides an implementation of the function
 230 @code{bioFabric} for creating scalable network digrams where nodes are
 231 represented by horizontal lines, and edges are represented by vertical
 232 lines.")
 233       (license license:expat))))
 234
 235 (define-public python-plotly
 236   (package
 237     (name "python-plotly")
 238     (version "4.8.1")
 239     (source (origin
 240               (method git-fetch)
 241               (uri (git-reference
 242                     (url "https://github.com/plotly/plotly.py")
 243                     (commit (string-append "v" version))))
 244               (file-name (git-file-name name version))
 245               (sha256
 246                (base32
 247                 "08ab677gr85m10zhixr6dnmlfws8q6sra7nhyb8nf3r8dx1ffqhz"))))
 248     (build-system python-build-system)
 249     (arguments
 250      `(#:phases
 251        (modify-phases %standard-phases
 252          (add-after 'unpack 'chdir
 253            (lambda _
 254              (chdir "packages/python/plotly")
 255              #t))
 256          (replace 'check
 257            (lambda _
 258              (invoke "pytest" "-x" "plotly/tests/test_core")
 259              (invoke "pytest" "-x" "plotly/tests/test_io")
 260              ;; FIXME: Add optional dependencies and enable their tests.
 261              ;; (invoke "pytest" "-x" "plotly/tests/test_optional")
 262              (invoke "pytest" "_plotly_utils/tests")))
 263          (add-before 'reset-gzip-timestamps 'make-files-writable
 264            (lambda* (#:key outputs #:allow-other-keys)
 265              (let ((out (assoc-ref outputs "out")))
 266                (for-each (lambda (file) (chmod file #o644))
 267                  (find-files out "\\.gz"))
 268                #t))))))
 269     (native-inputs
 270      `(("python-pytest" ,python-pytest)))
 271     (propagated-inputs
 272      `(("python-decorator" ,python-decorator)
 273        ("python-ipywidgets" ,python-ipywidgets)
 274        ("python-pandas" ,python-pandas)
 275        ("python-requests" ,python-requests)
 276        ("python-retrying" ,python-retrying)
 277        ("python-six" ,python-six)
 278        ("python-statsmodels" ,python-statsmodels)
 279        ("python-xarray" ,python-xarray)))
 280     (home-page "https://plotly.com/python/")
 281     (synopsis "Interactive plotting library for Python")
 282     (description "Plotly's Python graphing library makes interactive,
 283 publication-quality graphs online.  Examples of how to make line plots, scatter
 284 plots, area charts, bar charts, error bars, box plots, histograms, heatmaps,
 285 subplots, multiple-axes, polar charts, and bubble charts. ")
 286     (license license:expat)))
 287
 288 (define-public python-plotly-2.4.1
 289   (package (inherit python-plotly)
 290     (version "2.4.1")
 291     (source
 292       (origin
 293         (method url-fetch)
 294         (uri (pypi-uri "plotly" version))
 295         (sha256
 296          (base32
 297           "0s9gk2fl53x8wwncs3fwii1vzfngr0sskv15v3mpshqmrqfrk27m"))))
 298    (native-inputs '())
 299    (propagated-inputs
 300     `(("python-decorator" ,python-decorator)
 301       ("python-nbformat" ,python-nbformat)
 302       ("python-pandas" ,python-pandas)
 303       ("python-pytz" ,python-pytz)
 304       ("python-requests" ,python-requests)
 305       ("python-six" ,python-six)))
 306     (arguments
 307      '(#:tests? #f)))) ; The tests are not distributed in the release
 308
 309 (define-public python2-plotly
 310   (package-with-python2 python-plotly-2.4.1))
 311
 312 (define-public python-louvain
 313   (package
 314     (name "python-louvain")
 315     (version "0.6.1")
 316     ;; The tarball on Pypi does not include the tests.
 317     (source (origin
 318               (method git-fetch)
 319               (uri (git-reference
 320                     (url "https://github.com/vtraag/louvain-igraph")
 321                     (commit version)))
 322               (file-name (git-file-name name version))
 323               (sha256
 324                (base32
 325                 "0w31537sifkf65sck1iaip5i6d8g64pa3wdwad83d6p9jwkck57k"))))
 326     (build-system python-build-system)
 327     (propagated-inputs
 328      `(("python-ddt" ,python-ddt)
 329        ("python-igraph" ,python-igraph)))
 330     (inputs
 331      `(("igraph" ,igraph)))
 332     (native-inputs
 333      `(("pkg-config" ,pkg-config)
 334        ("python-pytest" ,python-pytest)))
 335     (home-page "https://github.com/vtraag/louvain-igraph")
 336     (synopsis "Algorithm for methods of community detection in large networks")
 337     (description
 338      "This package provides an implementation of the Louvain algorithm for use
 339 with igraph.  Louvain is a general algorithm for methods of community
 340 detection in large networks.
 341
 342 This package has been superseded by the @code{leidenalg} package and should
 343 not be used for new projects.")
 344     (license license:gpl3+)))
 345
 346 (define-public faiss
 347   (package
 348     (name "faiss")
 349     (version "1.5.0")
 350     (source (origin
 351               (method git-fetch)
 352               (uri (git-reference
 353                     (url "https://github.com/facebookresearch/faiss")
 354                     (commit (string-append "v" version))))
 355               (file-name (git-file-name name version))
 356               (sha256
 357                (base32
 358                 "0pk15jfa775cy2pqmzq62nhd6zfjxmpvz5h731197c28aq3zw39w"))
 359               (modules '((guix build utils)))
 360               (snippet
 361                '(begin
 362                   (substitute* "utils.cpp"
 363                     (("#include <immintrin.h>")
 364                      "#ifdef __SSE__\n#include <immintrin.h>\n#endif"))
 365                   #t))))
 366     (build-system cmake-build-system)
 367     (arguments
 368      `(#:configure-flags
 369        (list "-DBUILD_WITH_GPU=OFF"  ; thanks, but no thanks, CUDA.
 370              "-DBUILD_TUTORIAL=OFF") ; we don't need those
 371        #:phases
 372        (modify-phases %standard-phases
 373          (add-after 'unpack 'prepare-build
 374            (lambda _
 375              (let ((features (list ,@(let ((system (or (%current-target-system)
 376                                                        (%current-system))))
 377                                        (cond
 378                                         ((string-prefix? "x86_64" system)
 379                                          '("-mavx" "-msse2" "-mpopcnt"))
 380                                         ((string-prefix? "i686" system)
 381                                          '("-msse2" "-mpopcnt"))
 382                                         (else
 383                                          '()))))))
 384                (substitute* "CMakeLists.txt"
 385                  (("-m64") "")
 386                  (("-mpopcnt") "") ; only some architectures
 387                  (("-msse4")
 388                   (string-append
 389                    (string-join features)
 390                    " -I" (getcwd)))
 391                  ;; Build also the shared library
 392                  (("ARCHIVE DESTINATION lib")
 393                   "LIBRARY DESTINATION lib")
 394                  (("add_library.*" m)
 395                   "\
 396 add_library(objlib OBJECT ${faiss_cpu_headers} ${faiss_cpu_cpp})
 397 set_property(TARGET objlib PROPERTY POSITION_INDEPENDENT_CODE 1)
 398 add_library(${faiss_lib}_static STATIC $<TARGET_OBJECTS:objlib>)
 399 add_library(${faiss_lib} SHARED $<TARGET_OBJECTS:objlib>)
 400 install(TARGETS ${faiss_lib}_static ARCHIVE DESTINATION lib)
 401 \n")))
 402
 403              ;; See https://github.com/facebookresearch/faiss/issues/520
 404              (substitute* "IndexScalarQuantizer.cpp"
 405                (("#define USE_AVX") ""))
 406
 407              ;; Make header files available for compiling tests.
 408              (mkdir-p "faiss")
 409              (for-each (lambda (file)
 410                          (mkdir-p (string-append "faiss/" (dirname file)))
 411                          (copy-file file (string-append "faiss/" file)))
 412                        (find-files "." "\\.h$"))
 413              #t))
 414          (replace 'check
 415            (lambda _
 416              (invoke "make" "-C" "tests"
 417                      (format #f "-j~a" (parallel-job-count)))))
 418          (add-after 'install 'remove-tests
 419            (lambda* (#:key outputs #:allow-other-keys)
 420              (delete-file-recursively
 421               (string-append (assoc-ref outputs "out")
 422                              "/test"))
 423              #t)))))
 424     (inputs
 425      `(("openblas" ,openblas)))
 426     (native-inputs
 427      `(("googletest" ,googletest)))
 428     (home-page "https://github.com/facebookresearch/faiss")
 429     (synopsis "Efficient similarity search and clustering of dense vectors")
 430     (description "Faiss is a library for efficient similarity search and
 431 clustering of dense vectors.  It contains algorithms that search in sets of
 432 vectors of any size, up to ones that possibly do not fit in RAM.  It also
 433 contains supporting code for evaluation and parameter tuning.")
 434     (license license:bsd-3)))
 435
 436 (define-public python-faiss
 437   (package (inherit faiss)
 438     (name "python-faiss")
 439     (build-system python-build-system)
 440     (arguments
 441      `(#:phases
 442        (modify-phases %standard-phases
 443          (add-after 'unpack 'chdir
 444            (lambda _ (chdir "python") #t))
 445          (add-after 'chdir 'build-swig
 446            (lambda* (#:key inputs #:allow-other-keys)
 447              (with-output-to-file "../makefile.inc"
 448                (lambda ()
 449                  (let ((python-version ,(version-major+minor (package-version python))))
 450                    (format #t "\
 451 PYTHONCFLAGS =-I~a/include/python~am/ -I~a/lib/python~a/site-packages/numpy/core/include
 452 LIBS = -lpython~am -lfaiss
 453 SHAREDFLAGS = -shared -fopenmp
 454 CXXFLAGS = -fpermissive -fopenmp -fPIC
 455 CPUFLAGS = ~{~a ~}~%"
 456                            (assoc-ref inputs "python*") python-version
 457                            (assoc-ref inputs "python-numpy") python-version
 458                            python-version
 459                            (list ,@(let ((system (or (%current-target-system)
 460                                                      (%current-system))))
 461                                      (cond
 462                                        ((string-prefix? "x86_64" system)
 463                                         '("-mavx" "-msse2" "-mpopcnt"))
 464                                        ((string-prefix? "i686" system)
 465                                         '("-msse2" "-mpopcnt"))
 466                                        (else
 467                                          '()))))))))
 468              (substitute* "Makefile"
 469                (("../libfaiss.a") ""))
 470              (invoke "make" "cpu"))))))
 471     (inputs
 472      `(("faiss" ,faiss)
 473        ("openblas" ,openblas)
 474        ("python*" ,python)
 475        ("swig" ,swig)))
 476     (propagated-inputs
 477      `(("python-matplotlib" ,python-matplotlib)
 478        ("python-numpy" ,python-numpy)))
 479     (description "Faiss is a library for efficient similarity search and
 480 clustering of dense vectors.  This package provides Python bindings to the
 481 Faiss library.")))
 482
 483 (define-public python-leidenalg
 484   (package
 485     (name "python-leidenalg")
 486     (version "0.7.0")
 487     (source
 488      (origin
 489        (method url-fetch)
 490        (uri (pypi-uri "leidenalg" version))
 491        (sha256
 492         (base32
 493          "15fwld9hdw357rd026mzcwpah5liy4f33vc9x9kwy37g71b2rjf1"))))
 494     (build-system python-build-system)
 495     (arguments '(#:tests? #f)) ; tests are not included
 496     (native-inputs
 497      `(("pkg-config" ,pkg-config)))
 498     (inputs
 499      `(("igraph" ,igraph)))
 500     (propagated-inputs
 501      `(("python-igraph" ,python-igraph)))
 502     (home-page "https://github.com/vtraag/leidenalg")
 503     (synopsis "Community detection in large networks")
 504     (description
 505      "Leiden is a general algorithm for methods of community detection in
 506 large networks.  This package implements the Leiden algorithm in C++ and
 507 exposes it to Python.  Besides the relative flexibility of the implementation,
 508 it also scales well, and can be run on graphs of millions of nodes (as long as
 509 they can fit in memory).  The core function is @code{find_partition} which
 510 finds the optimal partition using the Leiden algorithm, which is an extension
 511 of the Louvain algorithm, for a number of different methods.")
 512     (license license:gpl3+)))
 513
 514 (define-public edge-addition-planarity-suite
 515   (package
 516     (name "edge-addition-planarity-suite")
 517     (version "3.0.0.5")
 518     (source
 519      (origin
 520        (method git-fetch)
 521        (uri (git-reference
 522               (url (string-append "https://github.com/graph-algorithms/"
 523                                   name))
 524               (commit (string-append "Version_" version))))
 525        (file-name (git-file-name name version))
 526        (sha256
 527         (base32
 528          "01cm7ay1njkfsdnmnvh5zwc7wg7x189hq1vbfhh9p3ihrbnmqzh8"))))
 529     (build-system gnu-build-system)
 530     (native-inputs
 531      `(("autoconf" ,autoconf)
 532        ("automake" ,automake)
 533        ("libtool" ,libtool)))
 534     (synopsis "Embedding of planar graphs")
 535     (description "The package provides a reference implementation of the
 536 linear time edge addition algorithm for embedding planar graphs and
 537 isolating planarity obstructions.")
 538     (license license:bsd-3)
 539     (home-page
 540       "https://github.com/graph-algorithms/edge-addition-planarity-suite")))
 541
 542 (define-public rw
 543   (package
 544     (name "rw")
 545     ;; There is a version 0.8, but the tarball is broken with symlinks
 546     ;; to /usr/share.
 547     (version "0.7")
 548     (source (origin
 549               (method url-fetch)
 550               (uri (string-append "mirror://sourceforge/rankwidth/"
 551                                   "rw-" version ".tar.gz"))
 552        (sha256
 553         (base32
 554          "1rv2v42x2506x7f10349m1wpmmfxrv9l032bkminni2gbip9cjg0"))))
 555     (build-system gnu-build-system)
 556     (native-inputs
 557      `(("pkg-config" ,pkg-config)))
 558     (inputs
 559      `(("igraph" ,igraph)))
 560     (home-page "https://sourceforge.net/projects/rankwidth/")
 561     (synopsis "Rank-width and rank-decomposition of graphs")
 562     (description "rw computes rank-width and rank-decompositions
 563 of graphs.")
 564     (license license:gpl2+)))
 565
 566 (define-public mscgen
 567   (package
 568     (name "mscgen")
 569     (version "0.20")
 570     (source
 571      (origin
 572        (method url-fetch)
 573        (uri (string-append "http://www.mcternan.me.uk/mscgen/software/mscgen-src-"
 574                            version ".tar.gz"))
 575        (sha256
 576         (base32
 577          "08yw3maxhn5fl1lff81gmcrpa4j9aas4mmby1g9w5qcr0np82d1w"))))
 578     (build-system gnu-build-system)
 579     (native-inputs
 580      `(("pkg-config" ,pkg-config)))
 581     (inputs
 582      `(("gd" ,gd)))
 583     (home-page "http://www.mcternan.me.uk/mscgen/")
 584     (synopsis "Message Sequence Chart Generator")
 585     (description "Mscgen is a small program that parses Message Sequence Chart
 586 descriptions and produces PNG, SVG, EPS or server side image maps (ismaps) as
 587 the output.  Message Sequence Charts (MSCs) are a way of representing entities
 588 and interactions over some time period and are often used in combination with
 589 SDL.  MSCs are popular in Telecoms to specify how protocols operate although
 590 MSCs need not be complicated to create or use.  Mscgen aims to provide a simple
 591 text language that is clear to create, edit and understand, which can also be
 592 transformed into common image formats for display or printing.")
 593     (license license:gpl2+)))