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 "0.8.1")
  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 "0wbvrac3ip3lqmbkckhnxa2swlbc86l1h8mazdlb618kx3winvi6"))))
  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 "http://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 "0.8.0")
  94     (source
  95      (origin
  96        (method url-fetch)
  97        (uri (pypi-uri "python-igraph" version))
  98        (sha256
  99         (base32
 100          "13mbrlmnbgbzw6y8ws7wj0a3ly3in8j4l1ngi6yxvgvxxi4bprj7"))))
 101     (build-system python-build-system)
 102     (arguments
 103      '(#:configure-flags
 104        (list "--use-pkg-config")
 105        #:phases
 106        (modify-phases %standard-phases
 107          (replace 'build
 108            (lambda _
 109              (invoke "python" "./setup.py" "build" "--use-pkg-config")))
 110          (delete 'check)
 111          (add-after 'install 'check
 112            (lambda* (#:key inputs outputs #:allow-other-keys)
 113              (add-installed-pythonpath inputs outputs)
 114              (invoke "pytest" "-v"))))))
 115     (inputs
 116      `(("igraph" ,igraph)))
 117     (propagated-inputs
 118      `(("python-texttable" ,python-texttable)))
 119     (native-inputs
 120      `(("pkg-config" ,pkg-config)
 121        ("python-pytest" ,python-pytest)))
 122     (home-page "https://pypi.org/project/python-igraph/")
 123     (synopsis "Python bindings for the igraph network analysis library")))
 124
 125 (define-public r-igraph
 126   (package
 127     (name "r-igraph")
 128     (version "1.2.5")
 129     (source
 130      (origin
 131        (method url-fetch)
 132        (uri (cran-uri "igraph" version))
 133        (sha256
 134         (base32
 135          "126z1ygbmi3g7hk97snf22rnx680dyi30idssm5zacba5rdngp8c"))))
 136     (build-system r-build-system)
 137     (native-inputs
 138      `(("gfortran" ,gfortran)))
 139     (inputs
 140      `(("gmp" ,gmp)
 141        ("glpk" ,glpk)
 142        ("libxml2" ,libxml2)
 143        ("zlib" ,zlib)))
 144     (propagated-inputs
 145      `(("r-magrittr" ,r-magrittr)
 146        ("r-matrix" ,r-matrix)
 147        ("r-pkgconfig" ,r-pkgconfig)))
 148     (home-page "http://igraph.org")
 149     (synopsis "Network analysis and visualization")
 150     (description
 151      "This package provides routines for simple graphs and network analysis.
 152 It can handle large graphs very well and provides functions for generating
 153 random and regular graphs, graph visualization, centrality methods and much
 154 more.")
 155     (license license:gpl2+)))
 156
 157 (define-public r-diffusionmap
 158   (package
 159     (name "r-diffusionmap")
 160     (version "1.2.0")
 161     (source
 162      (origin
 163        (method url-fetch)
 164        (uri (cran-uri "diffusionMap" version))
 165        (sha256
 166         (base32
 167          "1rvk7069brlm1s9kqj4c31mwwr3mw4hmhay95cjjjfmw5xclff2j"))))
 168     (properties `((upstream-name . "diffusionMap")))
 169     (build-system r-build-system)
 170     (propagated-inputs
 171      `(("r-igraph" ,r-igraph)
 172        ("r-matrix" ,r-matrix)
 173        ("r-scatterplot3d" ,r-scatterplot3d)))
 174     (home-page "https://www.r-project.org")
 175     (synopsis "Diffusion map")
 176     (description "This package implements the diffusion map method of data
 177 parametrization, including creation and visualization of diffusion maps,
 178 clustering with diffusion K-means and regression using the adaptive regression
 179 model.")
 180     (license license:gpl2)))
 181
 182 (define-public r-rgraphviz
 183   (package
 184     (name "r-rgraphviz")
 185     (version "2.32.0")
 186     (source
 187      (origin
 188        (method url-fetch)
 189        (uri (bioconductor-uri "Rgraphviz" version))
 190        (sha256
 191         (base32
 192          "1calpvzgcz6v7s4x6bf35kj83sga95zjp7x87p5d3qnbv7q2wz5y"))))
 193     (properties `((upstream-name . "Rgraphviz")))
 194     (build-system r-build-system)
 195     ;; FIXME: Rgraphviz bundles the sources of an older variant of
 196     ;; graphviz.  It does not build with the latest version of graphviz, so
 197     ;; we do not add graphviz to the inputs.
 198     (inputs `(("zlib" ,zlib)))
 199     (propagated-inputs
 200      `(("r-graph" ,r-graph)))
 201     (native-inputs
 202      `(("pkg-config" ,pkg-config)))
 203     (home-page "https://bioconductor.org/packages/Rgraphviz")
 204     (synopsis "Plotting capabilities for R graph objects")
 205     (description
 206      "This package interfaces R with the graphviz library for plotting R graph
 207 objects from the @code{graph} package.")
 208     (license license:epl1.0)))
 209
 210 (define-public r-rbiofabric
 211   (let ((commit "666c2ae8b0a537c006592d067fac6285f71890ac")
 212         (revision "1"))
 213     (package
 214       (name "r-rbiofabric")
 215       (version (string-append "0.3-" revision "." (string-take commit 7)))
 216       (source (origin
 217                 (method git-fetch)
 218                 (uri (git-reference
 219                       (url "https://github.com/wjrl/RBioFabric.git")
 220                       (commit commit)))
 221                 (file-name (string-append name "-" version "-checkout"))
 222                 (sha256
 223                  (base32
 224                   "1yahqrcrqpbcywv73y9rlmyz8apdnp08afialibrr93ch0p06f8z"))))
 225       (build-system r-build-system)
 226       (propagated-inputs
 227        `(("r-igraph" ,r-igraph)))
 228       (home-page "http://www.biofabric.org/")
 229       (synopsis "BioFabric network visualization")
 230       (description "This package provides an implementation of the function
 231 @code{bioFabric} for creating scalable network digrams where nodes are
 232 represented by horizontal lines, and edges are represented by vertical
 233 lines.")
 234       (license license:expat))))
 235
 236 (define-public python-plotly
 237   (package
 238     (name "python-plotly")
 239     (version "4.8.1")
 240     (source (origin
 241               (method git-fetch)
 242               (uri (git-reference
 243                     (url "https://github.com/plotly/plotly.py.git")
 244                     (commit (string-append "v" version))))
 245               (file-name (git-file-name name version))
 246               (sha256
 247                (base32
 248                 "08ab677gr85m10zhixr6dnmlfws8q6sra7nhyb8nf3r8dx1ffqhz"))))
 249     (build-system python-build-system)
 250     (arguments
 251      `(#:phases
 252        (modify-phases %standard-phases
 253          (add-after 'unpack 'chdir
 254            (lambda _
 255              (chdir "packages/python/plotly")
 256              #t))
 257          (replace 'check
 258            (lambda _
 259              (invoke "pytest" "-x" "plotly/tests/test_core")
 260              (invoke "pytest" "-x" "plotly/tests/test_io")
 261              ;; FIXME: Add optional dependencies and enable their tests.
 262              ;; (invoke "pytest" "-x" "plotly/tests/test_optional")
 263              (invoke "pytest" "_plotly_utils/tests")))
 264          (add-before 'reset-gzip-timestamps 'make-files-writable
 265            (lambda* (#:key outputs #:allow-other-keys)
 266              (let ((out (assoc-ref outputs "out")))
 267                (for-each (lambda (file) (chmod file #o644))
 268                  (find-files out "\\.gz"))
 269                #t))))))
 270     (native-inputs
 271      `(("python-pytest" ,python-pytest)))
 272     (propagated-inputs
 273      `(("python-decorator" ,python-decorator)
 274        ("python-ipywidgets" ,python-ipywidgets)
 275        ("python-pandas" ,python-pandas)
 276        ("python-requests" ,python-requests)
 277        ("python-retrying" ,python-retrying)
 278        ("python-six" ,python-six)
 279        ("python-statsmodels" ,python-statsmodels)
 280        ("python-xarray" ,python-xarray)))
 281     (home-page "https://plotly.com/python/")
 282     (synopsis "Interactive plotting library for Python")
 283     (description "Plotly's Python graphing library makes interactive,
 284 publication-quality graphs online.  Examples of how to make line plots, scatter
 285 plots, area charts, bar charts, error bars, box plots, histograms, heatmaps,
 286 subplots, multiple-axes, polar charts, and bubble charts. ")
 287     (license license:expat)))
 288
 289 (define-public python-plotly-2.4.1
 290   (package (inherit python-plotly)
 291     (version "2.4.1")
 292     (source
 293       (origin
 294         (method url-fetch)
 295         (uri (pypi-uri "plotly" version))
 296         (sha256
 297          (base32
 298           "0s9gk2fl53x8wwncs3fwii1vzfngr0sskv15v3mpshqmrqfrk27m"))))
 299    (native-inputs '())
 300    (propagated-inputs
 301     `(("python-decorator" ,python-decorator)
 302       ("python-nbformat" ,python-nbformat)
 303       ("python-pandas" ,python-pandas)
 304       ("python-pytz" ,python-pytz)
 305       ("python-requests" ,python-requests)
 306       ("python-six" ,python-six)))
 307     (arguments
 308      '(#:tests? #f)))) ; The tests are not distributed in the release
 309
 310 (define-public python2-plotly
 311   (package-with-python2 python-plotly-2.4.1))
 312
 313 (define-public python-louvain
 314   (package
 315     (name "python-louvain")
 316     (version "0.6.1")
 317     ;; The tarball on Pypi does not include the tests.
 318     (source (origin
 319               (method git-fetch)
 320               (uri (git-reference
 321                     (url "https://github.com/vtraag/louvain-igraph.git")
 322                     (commit version)))
 323               (file-name (git-file-name name version))
 324               (sha256
 325                (base32
 326                 "0w31537sifkf65sck1iaip5i6d8g64pa3wdwad83d6p9jwkck57k"))))
 327     (build-system python-build-system)
 328     (propagated-inputs
 329      `(("python-ddt" ,python-ddt)
 330        ("python-igraph" ,python-igraph)))
 331     (inputs
 332      `(("igraph" ,igraph)))
 333     (native-inputs
 334      `(("pkg-config" ,pkg-config)
 335        ("python-pytest" ,python-pytest)))
 336     (home-page "https://github.com/vtraag/louvain-igraph")
 337     (synopsis "Algorithm for methods of community detection in large networks")
 338     (description
 339      "This package provides an implementation of the Louvain algorithm for use
 340 with igraph.  Louvain is a general algorithm for methods of community
 341 detection in large networks.
 342
 343 This package has been superseded by the @code{leidenalg} package and should
 344 not be used for new projects.")
 345     (license license:gpl3+)))
 346
 347 (define-public faiss
 348   (package
 349     (name "faiss")
 350     (version "1.5.0")
 351     (source (origin
 352               (method git-fetch)
 353               (uri (git-reference
 354                     (url "https://github.com/facebookresearch/faiss.git")
 355                     (commit (string-append "v" version))))
 356               (file-name (git-file-name name version))
 357               (sha256
 358                (base32
 359                 "0pk15jfa775cy2pqmzq62nhd6zfjxmpvz5h731197c28aq3zw39w"))
 360               (modules '((guix build utils)))
 361               (snippet
 362                '(begin
 363                   (substitute* "utils.cpp"
 364                     (("#include <immintrin.h>")
 365                      "#ifdef __SSE__\n#include <immintrin.h>\n#endif"))
 366                   #t))))
 367     (build-system cmake-build-system)
 368     (arguments
 369      `(#:configure-flags
 370        (list "-DBUILD_WITH_GPU=OFF"  ; thanks, but no thanks, CUDA.
 371              "-DBUILD_TUTORIAL=OFF") ; we don't need those
 372        #:phases
 373        (modify-phases %standard-phases
 374          (add-after 'unpack 'prepare-build
 375            (lambda _
 376              (let ((features (list ,@(let ((system (or (%current-target-system)
 377                                                        (%current-system))))
 378                                        (cond
 379                                         ((string-prefix? "x86_64" system)
 380                                          '("-mavx" "-msse2" "-mpopcnt"))
 381                                         ((string-prefix? "i686" system)
 382                                          '("-msse2" "-mpopcnt"))
 383                                         (else
 384                                          '()))))))
 385                (substitute* "CMakeLists.txt"
 386                  (("-m64") "")
 387                  (("-mpopcnt") "") ; only some architectures
 388                  (("-msse4")
 389                   (string-append
 390                    (string-join features)
 391                    " -I" (getcwd)))
 392                  ;; Build also the shared library
 393                  (("ARCHIVE DESTINATION lib")
 394                   "LIBRARY DESTINATION lib")
 395                  (("add_library.*" m)
 396                   "\
 397 add_library(objlib OBJECT ${faiss_cpu_headers} ${faiss_cpu_cpp})
 398 set_property(TARGET objlib PROPERTY POSITION_INDEPENDENT_CODE 1)
 399 add_library(${faiss_lib}_static STATIC $<TARGET_OBJECTS:objlib>)
 400 add_library(${faiss_lib} SHARED $<TARGET_OBJECTS:objlib>)
 401 install(TARGETS ${faiss_lib}_static ARCHIVE DESTINATION lib)
 402 \n")))
 403
 404              ;; See https://github.com/facebookresearch/faiss/issues/520
 405              (substitute* "IndexScalarQuantizer.cpp"
 406                (("#define USE_AVX") ""))
 407
 408              ;; Make header files available for compiling tests.
 409              (mkdir-p "faiss")
 410              (for-each (lambda (file)
 411                          (mkdir-p (string-append "faiss/" (dirname file)))
 412                          (copy-file file (string-append "faiss/" file)))
 413                        (find-files "." "\\.h$"))
 414              #t))
 415          (replace 'check
 416            (lambda _
 417              (invoke "make" "-C" "tests"
 418                      (format #f "-j~a" (parallel-job-count)))))
 419          (add-after 'install 'remove-tests
 420            (lambda* (#:key outputs #:allow-other-keys)
 421              (delete-file-recursively
 422               (string-append (assoc-ref outputs "out")
 423                              "/test"))
 424              #t)))))
 425     (inputs
 426      `(("openblas" ,openblas)))
 427     (native-inputs
 428      `(("googletest" ,googletest)))
 429     (home-page "https://github.com/facebookresearch/faiss")
 430     (synopsis "Efficient similarity search and clustering of dense vectors")
 431     (description "Faiss is a library for efficient similarity search and
 432 clustering of dense vectors.  It contains algorithms that search in sets of
 433 vectors of any size, up to ones that possibly do not fit in RAM.  It also
 434 contains supporting code for evaluation and parameter tuning.")
 435     (license license:bsd-3)))
 436
 437 (define-public python-faiss
 438   (package (inherit faiss)
 439     (name "python-faiss")
 440     (build-system python-build-system)
 441     (arguments
 442      `(#:phases
 443        (modify-phases %standard-phases
 444          (add-after 'unpack 'chdir
 445            (lambda _ (chdir "python") #t))
 446          (add-after 'chdir 'build-swig
 447            (lambda* (#:key inputs #:allow-other-keys)
 448              (with-output-to-file "../makefile.inc"
 449                (lambda ()
 450                  (let ((python-version ,(version-major+minor (package-version python))))
 451                    (format #t "\
 452 PYTHONCFLAGS =-I~a/include/python~am/ -I~a/lib/python~a/site-packages/numpy/core/include
 453 LIBS = -lpython~am -lfaiss
 454 SHAREDFLAGS = -shared -fopenmp
 455 CXXFLAGS = -fpermissive -fopenmp -fPIC
 456 CPUFLAGS = ~{~a ~}~%"
 457                            (assoc-ref inputs "python*") python-version
 458                            (assoc-ref inputs "python-numpy") python-version
 459                            python-version
 460                            (list ,@(let ((system (or (%current-target-system)
 461                                                      (%current-system))))
 462                                      (cond
 463                                        ((string-prefix? "x86_64" system)
 464                                         '("-mavx" "-msse2" "-mpopcnt"))
 465                                        ((string-prefix? "i686" system)
 466                                         '("-msse2" "-mpopcnt"))
 467                                        (else
 468                                          '()))))))))
 469              (substitute* "Makefile"
 470                (("../libfaiss.a") ""))
 471              (invoke "make" "cpu"))))))
 472     (inputs
 473      `(("faiss" ,faiss)
 474        ("openblas" ,openblas)
 475        ("python*" ,python)
 476        ("swig" ,swig)))
 477     (propagated-inputs
 478      `(("python-matplotlib" ,python-matplotlib)
 479        ("python-numpy" ,python-numpy)))
 480     (description "Faiss is a library for efficient similarity search and
 481 clustering of dense vectors.  This package provides Python bindings to the
 482 Faiss library.")))
 483
 484 (define-public python-leidenalg
 485   (package
 486     (name "python-leidenalg")
 487     (version "0.7.0")
 488     (source
 489      (origin
 490        (method url-fetch)
 491        (uri (pypi-uri "leidenalg" version))
 492        (sha256
 493         (base32
 494          "15fwld9hdw357rd026mzcwpah5liy4f33vc9x9kwy37g71b2rjf1"))))
 495     (build-system python-build-system)
 496     (arguments '(#:tests? #f)) ; tests are not included
 497     (native-inputs
 498      `(("pkg-config" ,pkg-config)))
 499     (inputs
 500      `(("igraph" ,igraph)))
 501     (propagated-inputs
 502      `(("python-igraph" ,python-igraph)))
 503     (home-page "https://github.com/vtraag/leidenalg")
 504     (synopsis "Community detection in large networks")
 505     (description
 506      "Leiden is a general algorithm for methods of community detection in
 507 large networks.  This package implements the Leiden algorithm in C++ and
 508 exposes it to Python.  Besides the relative flexibility of the implementation,
 509 it also scales well, and can be run on graphs of millions of nodes (as long as
 510 they can fit in memory).  The core function is @code{find_partition} which
 511 finds the optimal partition using the Leiden algorithm, which is an extension
 512 of the Louvain algorithm, for a number of different methods.")
 513     (license license:gpl3+)))
 514
 515 (define-public edge-addition-planarity-suite
 516   (package
 517     (name "edge-addition-planarity-suite")
 518     (version "3.0.0.5")
 519     (source
 520      (origin
 521        (method git-fetch)
 522        (uri (git-reference
 523               (url (string-append "https://github.com/graph-algorithms/"
 524                                   name))
 525               (commit (string-append "Version_" version))))
 526        (file-name (git-file-name name version))
 527        (sha256
 528         (base32
 529          "01cm7ay1njkfsdnmnvh5zwc7wg7x189hq1vbfhh9p3ihrbnmqzh8"))))
 530     (build-system gnu-build-system)
 531     (native-inputs
 532      `(("autoconf" ,autoconf)
 533        ("automake" ,automake)
 534        ("libtool" ,libtool)))
 535     (synopsis "Embedding of planar graphs")
 536     (description "The package provides a reference implementation of the
 537 linear time edge addition algorithm for embedding planar graphs and
 538 isolating planarity obstructions.")
 539     (license license:bsd-3)
 540     (home-page
 541       "https://github.com/graph-algorithms/edge-addition-planarity-suite")))
 542
 543 (define-public rw
 544   (package
 545     (name "rw")
 546     ;; There is a version 0.8, but the tarball is broken with symlinks
 547     ;; to /usr/share.
 548     (version "0.7")
 549     (source (origin
 550               (method url-fetch)
 551               (uri (string-append "mirror://sourceforge/rankwidth/"
 552                                   "rw-" version ".tar.gz"))
 553        (sha256
 554         (base32
 555          "1rv2v42x2506x7f10349m1wpmmfxrv9l032bkminni2gbip9cjg0"))))
 556     (build-system gnu-build-system)
 557     (native-inputs
 558      `(("pkg-config" ,pkg-config)))
 559     (inputs
 560      `(("igraph" ,igraph)))
 561     (home-page "https://sourceforge.net/projects/rankwidth/")
 562     (synopsis "Rank-width and rank-decomposition of graphs")
 563     (description "rw computes rank-width and rank-decompositions
 564 of graphs.")
 565     (license license:gpl2+)))
 566
 567 (define-public mscgen
 568   (package
 569     (name "mscgen")
 570     (version "0.20")
 571     (source
 572      (origin
 573        (method url-fetch)
 574        (uri (string-append "http://www.mcternan.me.uk/mscgen/software/mscgen-src-"
 575                            version ".tar.gz"))
 576        (sha256
 577         (base32
 578          "08yw3maxhn5fl1lff81gmcrpa4j9aas4mmby1g9w5qcr0np82d1w"))))
 579     (build-system gnu-build-system)
 580     (native-inputs
 581      `(("pkg-config" ,pkg-config)))
 582     (inputs
 583      `(("gd" ,gd)))
 584     (home-page "http://www.mcternan.me.uk/mscgen/")
 585     (synopsis "Message Sequence Chart Generator")
 586     (description "Mscgen is a small program that parses Message Sequence Chart
 587 descriptions and produces PNG, SVG, EPS or server side image maps (ismaps) as
 588 the output.  Message Sequence Charts (MSCs) are a way of representing entities
 589 and interactions over some time period and are often used in combination with
 590 SDL.  MSCs are popular in Telecoms to specify how protocols operate although
 591 MSCs need not be complicated to create or use.  Mscgen aims to provide a simple
 592 text language that is clear to create, edit and understand, which can also be
 593 transformed into common image formats for display or printing.")
 594     (license license:gpl2+)))