gnu/packages/cpp.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2017 Ethan R. Jones <doubleplusgood23@gmail.com>
   3 ;;; Copyright © 2018, 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
   4 ;;; Copyright © 2018 Fis Trivial <ybbs.daans@hotmail.com>
   5 ;;; Copyright © 2018 Ludovic Courtès <ludo@gnu.org>
   6 ;;; Copyright © 2019, 2020 Mathieu Othacehe <m.othacehe@gmail.com>
   7 ;;; Copyright © 2019 Pierre Neidhardt <mail@ambrevar.xyz>
   8 ;;; Copyright © 2019 Jan Wielkiewicz <tona_kosmicznego_smiecia@interia.pl>
   9 ;;; Copyright © 2020 Nicolò Balzarotti <nicolo@nixo.xyz>
  10 ;;; Copyright © 2020 Roel Janssen <roel@gnu.org>
  11 ;;; Copyright © 2020 Ricardo Wurmus <rekado@elephly.net>
  12 ;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
  13 ;;; Copyright © 2020 Vinicius Monego <monego@posteo.net>
  14 ;;; Copyright © 2020 Marius Bakke <marius@gnu.org>
  15 ;;; Copyright © 2020 Michael Rohleder <mike@rohleder.de>
  16 ;;; Copyright © 2020 Alexandros Theodotou <alex@zrythm.org>
  17 ;;;
  18 ;;; This file is part of GNU Guix.
  19 ;;;
  20 ;;; GNU Guix is free software; you can redistribute it and/or modify it
  21 ;;; under the terms of the GNU General Public License as published by
  22 ;;; the Free Software Foundation; either version 3 of the License, or (at
  23 ;;; your option) any later version.
  24 ;;;
  25 ;;; GNU Guix is distributed in the hope that it will be useful, but
  26 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  27 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  28 ;;; GNU General Public License for more details.
  29 ;;;
  30 ;;; You should have received a copy of the GNU General Public License
  31 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  32
  33 (define-module (gnu packages cpp)
  34   #:use-module ((guix licenses) #:prefix license:)
  35   #:use-module (guix packages)
  36   #:use-module (guix download)
  37   #:use-module (guix git-download)
  38   #:use-module (guix build-system cmake)
  39   #:use-module (guix build-system gnu)
  40   #:use-module (guix build-system python)
  41   #:use-module (gnu packages)
  42   #:use-module (gnu packages autotools)
  43   #:use-module (gnu packages check)
  44   #:use-module (gnu packages code)
  45   #:use-module (gnu packages compression)
  46   #:use-module (gnu packages llvm)
  47   #:use-module (gnu packages perl)
  48   #:use-module (gnu packages pkg-config)
  49   #:use-module (gnu packages tls)
  50   #:use-module (gnu packages web))
  51
  52 (define-public libzen
  53   (package
  54     (name "libzen")
  55     (version "0.4.38")
  56     (source (origin
  57               (method url-fetch)
  58               ;; Warning: This source has proved unreliable 1 time at least.
  59               ;; Consider an alternate source or report upstream if this
  60               ;; happens again.
  61               (uri (string-append "https://mediaarea.net/download/source/"
  62                                   "libzen/" version "/"
  63                                   "libzen_" version ".tar.bz2"))
  64               (sha256
  65                (base32
  66                 "1nkygc17sndznpcf71fdrhwpm8z9a3hc9csqlafwswh49axhfkjr"))))
  67     (native-inputs
  68      `(("autoconf" ,autoconf)
  69        ("automake" ,automake)
  70        ("libtool" ,libtool)))
  71     (build-system gnu-build-system)
  72     (arguments
  73      '(#:phases
  74        ;; The build scripts are not at the root of the archive.
  75        (modify-phases %standard-phases
  76          (add-after 'unpack 'pre-configure
  77            (lambda _
  78              (chdir "Project/GNU/Library")
  79              #t)))))
  80     (home-page "https://github.com/MediaArea/ZenLib")
  81     (synopsis "C++ utility library")
  82     (description "ZenLib is a C++ utility library.  It includes classes for handling
  83 strings, configuration, bit streams, threading, translation, and cross-platform
  84 operating system functions.")
  85     (license license:zlib)))
  86
  87 (define-public rttr
  88   (package
  89     (name "rttr")
  90     (version "0.9.6")
  91     (source
  92      (origin
  93        (method git-fetch)
  94        (uri (git-reference
  95              (url "https://github.com/rttrorg/rttr/")
  96              (commit (string-append "v" version))))
  97        (sha256
  98         (base32 "1yxad8sj40wi75hny8w6imrsx8wjasjmsipnlq559n4b6kl84ijp"))
  99        (file-name (git-file-name name version))))
 100     (build-system cmake-build-system)
 101     (arguments
 102      '(;; No check target. Setting test-target to "unit_test" runs it twice.
 103        #:tests? #f
 104        #:configure-flags
 105        '("-DBUILD_DOCUMENTATION=OFF" "-DBUILD_EXAMPLES=OFF")
 106        #:phases
 107        (modify-phases %standard-phases
 108          ;; library_test fails in chroot.
 109          (add-after 'unpack 'skip-library-test
 110            (lambda _
 111              (substitute* "src/unit_tests/unit_tests.cmake"
 112                (("misc/library_test.cpp") ""))
 113              #t)))))
 114     (native-inputs `(("pkg-config" ,pkg-config)))
 115     (home-page "https://github.com/rttrorg/rttr/")
 116     (synopsis "C++ Reflection Library")
 117     (description
 118      "RTTR stands for Run Time Type Reflection.  It describes the ability of a
 119 computer program to introspect and modify an object at runtime.  It is also
 120 the name of the library itself, which is written in C++.")
 121     (license license:expat)))
 122
 123 (define-public rct
 124   (let* ((commit "b3e6f41d9844ef64420e628e0c65ed98278a843a")
 125          (revision "2"))
 126     (package
 127       (name "rct")
 128       (version (git-version "0.0.0" revision commit))
 129       (source (origin
 130                 (method git-fetch)
 131                 (uri (git-reference
 132                       (url "https://github.com/Andersbakken/rct")
 133                       (commit commit)))
 134                 (sha256
 135                  (base32
 136                   "1m2931jacka27ghnpgf1z1plkkr64z0pga4r4zdrfpp2d7xnrdvb"))
 137                 (patches (search-patches "rct-add-missing-headers.patch"))
 138                 (file-name (git-file-name name version))))
 139       (build-system cmake-build-system)
 140       (arguments
 141        '(#:configure-flags
 142          '("-DWITH_TESTS=ON"            ; To run the test suite
 143            "-DRCT_RTTI_ENABLED=ON")))
 144       (native-inputs
 145        `(("cppunit" ,cppunit)
 146          ("pkg-config" ,pkg-config)))
 147       (inputs
 148        `(("openssl" ,openssl)
 149          ("zlib" ,zlib)))
 150       (home-page "https://github.com/Andersbakken/rct")
 151       (synopsis "C++ library providing Qt-like APIs on top of the STL")
 152       (description "Rct is a set of C++ tools that provide nicer (more Qt-like)
 153  APIs on top of Standard Template Library (@dfn{STL}) classes.")
 154       (license (list license:expat        ; cJSON
 155                      license:bsd-4)))))   ; everything else (LICENSE.txt)
 156
 157 (define-public dashel
 158   (package
 159     (name "dashel")
 160     (version "1.3.3")
 161     (source
 162      (origin
 163        (method git-fetch)
 164        (uri (git-reference
 165              (url "https://github.com/aseba-community/dashel")
 166              (commit version)))
 167        (sha256
 168         (base32 "0anks2l2i2qp0wlzqck1qgpq15a3l6dg8lw2h8s4nsj7f61lffwy"))
 169        (file-name (git-file-name name version))))
 170     (build-system cmake-build-system)
 171     (arguments '(#:tests? #f))          ; no tests
 172     (native-inputs `(("pkg-config" ,pkg-config)))
 173     (home-page "https://github.com/aseba-community/dashel")
 174     (synopsis "Data stream helper encapsulation library")
 175     (description
 176      "Dashel is a data stream helper encapsulation C++ library.  It provides a
 177 unified access to TCP/UDP sockets, serial ports, console, and files streams.
 178 It also allows a server application to wait for any activity on any
 179 combination of these streams.")
 180     (license license:bsd-3)))
 181
 182 (define-public xsimd
 183   (package
 184     (name "xsimd")
 185     (version "7.2.3")
 186     (source
 187      (origin
 188        (method git-fetch)
 189        (uri (git-reference
 190              (url "https://github.com/QuantStack/xsimd")
 191              (commit version)))
 192        (sha256
 193         (base32 "1ny2qin1j4h35mljivh8z52kwdyjxf4yxlzb8j52ji91v2ccc88j"))
 194        (file-name (git-file-name name version))))
 195     (build-system cmake-build-system)
 196     (arguments
 197      `(#:configure-flags (list "-DBUILD_TESTS=ON")
 198        #:test-target "xtest"))
 199     (native-inputs
 200      `(("googletest" ,googletest)))
 201     (home-page "https://github.com/QuantStack/xsimd")
 202     (synopsis "C++ wrappers for SIMD intrinsics and math implementations")
 203     (description "xsimd provides a unified means for using SIMD features for
 204 library authors.  Namely, it enables manipulation of batches of numbers with
 205 the same arithmetic operators as for single values.  It also provides
 206 accelerated implementation of common mathematical functions operating on
 207 batches.")
 208     (license license:bsd-3)))
 209
 210 (define-public chaiscript
 211   (package
 212     (name "chaiscript")
 213     (version "6.1.0")
 214     (source
 215      (origin
 216        (method git-fetch)
 217        (uri (git-reference
 218              (url "https://github.com/ChaiScript/ChaiScript")
 219              (commit (string-append "v" version))))
 220        (file-name (git-file-name name version))
 221        (sha256
 222         (base32 "0i1c88rn1wwz8nf3dpapcdkk4w623m3nksfy5yjai10k9irkzy3c"))))
 223     (build-system cmake-build-system)
 224     (home-page "https://chaiscript.com/")
 225     (synopsis "Embedded scripting language designed for C++")
 226     (description
 227      "ChaiScript is one of the only embedded scripting language designed from
 228 the ground up to directly target C++ and take advantage of modern C++
 229 development techniques.  Being a native C++ application, it has some advantages
 230 over existing embedded scripting languages:
 231
 232 @enumerate
 233 @item Uses a header-only approach, which makes it easy to integrate with
 234 existing projects.
 235 @item Maintains type safety between your C++ application and the user scripts.
 236 @item Supports a variety of C++ techniques including callbacks, overloaded
 237 functions, class methods, and stl containers.
 238 @end enumerate\n")
 239     (license license:bsd-3)))
 240
 241 (define-public fifo-map
 242   (let* ((commit "0dfbf5dacbb15a32c43f912a7e66a54aae39d0f9")
 243          (revision "0")
 244          (version (git-version "1.1.1" revision commit)))
 245     (package
 246       (name "fifo-map")
 247       (version version)
 248       (home-page "https://github.com/nlohmann/fifo_map")
 249       (source (origin
 250                 (method git-fetch)
 251                 (uri (git-reference
 252                       (url home-page)
 253                       (commit commit)))
 254                 (sha256
 255                  (base32
 256                   "0pi77b75kp0l7z454ihcd14nzpi3nc5m4nyjbsgy5f9bw3676196"))
 257                 (patches (search-patches "fifo-map-remove-catch.hpp.patch"
 258                                          "fifo-map-fix-flags-for-gcc.patch"))
 259                 (file-name (git-file-name name version))
 260                 (modules '((guix build utils)))
 261                 (snippet '(delete-file-recursively "./test/thirdparty"))))
 262       (native-inputs
 263        `(("catch2" ,catch-framework2-1)))
 264       (build-system cmake-build-system)
 265       (arguments
 266        `(#:phases
 267          (modify-phases %standard-phases
 268            (replace 'check
 269              (lambda _
 270                (invoke "./unit")))
 271            (replace 'install
 272              (lambda* (#:key outputs #:allow-other-keys)
 273                (let* ((out (assoc-ref outputs "out"))
 274                       (inc (string-append out "/include/fifo_map")))
 275                  (with-directory-excursion
 276                      (string-append "../" ,name "-" ,version "-checkout")
 277                    (install-file "src/fifo_map.hpp" inc)
 278                    #t)))))))
 279       (synopsis "FIFO-ordered associative container for C++")
 280       (description "Fifo_map is a C++ header only library for associative
 281 container which uses the order in which keys were inserted to the container
 282 as ordering relation.")
 283       (license license:expat))))
 284
 285 (define-public json-modern-cxx
 286   (package
 287     (name "json-modern-cxx")
 288     (version "3.9.1")
 289     (home-page "https://github.com/nlohmann/json")
 290     (source
 291      (origin
 292        (method git-fetch)
 293        (uri (git-reference (url home-page)
 294                            (commit (string-append "v" version))))
 295        (sha256
 296         (base32 "0ar4mzp53lskxw3vdzw07f47njcshl3lwid9jfq6l7yx6ds2nyjc"))
 297        (file-name (git-file-name name version))
 298        (modules '((guix build utils)))
 299        (snippet
 300         '(begin
 301            ;; Delete bundled software.  Preserve doctest_compatibility.h, which
 302            ;; is a wrapper library added by this package.
 303            (install-file "./test/thirdparty/doctest/doctest_compatibility.h" "/tmp")
 304            (for-each delete-file-recursively
 305                      '("./third_party" "./test/thirdparty" "./benchmarks/thirdparty"))
 306            (install-file "/tmp/doctest_compatibility.h" "./test/thirdparty/doctest")
 307
 308            ;; Adjust for the unbundled fifo_map and doctest.
 309            (substitute* "./test/thirdparty/doctest/doctest_compatibility.h"
 310              (("#include \"doctest\\.h\"")
 311               "#include <doctest/doctest.h>"))
 312            (with-directory-excursion "test/src"
 313              (let ((files (find-files "." "\\.cpp$")))
 314                (substitute* files
 315                  (("#include ?\"(fifo_map.hpp)\"" all fifo-map-hpp)
 316                   (string-append
 317                    "#include <fifo_map/" fifo-map-hpp ">")))))
 318            #t))))
 319     (build-system cmake-build-system)
 320     (arguments
 321      '(#:configure-flags
 322        (list (string-append "-DJSON_TestDataDirectory="
 323                             (assoc-ref %build-inputs "json_test_data")))
 324        #:phases (modify-phases %standard-phases
 325                   ;; XXX: When tests are enabled, the install phase will cause
 326                   ;; a needless rebuild without the given configure flags,
 327                   ;; ultimately creating both $out/lib and $out/lib64.  Move
 328                   ;; the check phase after install to work around it.
 329                   (delete 'check)
 330                   (add-after 'install 'check
 331                     (lambda* (#:key tests? #:allow-other-keys)
 332                       (if tests?
 333                           ;; Some tests need git and a full checkout, skip those.
 334                           (invoke "ctest" "-LE" "git_required")
 335                           (format #t "test suite not run~%"))
 336                       #t)))))
 337     (native-inputs
 338      `(("amalgamate" ,amalgamate)
 339        ("doctest" ,doctest)
 340        ("json_test_data"
 341         ,(let ((version "3.0.0"))
 342            (origin
 343              (method git-fetch)
 344              (uri (git-reference
 345                    (url "https://github.com/nlohmann/json_test_data")
 346                    (commit (string-append "v" version))))
 347              (file-name (git-file-name "json_test_data" version))
 348              (sha256
 349               (base32
 350                "0nzsjzlvk14dazwh7k2jb1dinb0pv9jbx5jsyn264wvva0y7daiv")))))))
 351     (inputs
 352      `(("fifo-map" ,fifo-map)))
 353     (synopsis "JSON parser and printer library for C++")
 354     (description "JSON for Modern C++ is a C++ JSON library that provides
 355 intuitive syntax and trivial integration.")
 356     (license license:expat)))
 357
 358 (define-public nlohmann-json-cpp
 359   (deprecated-package "nlohmann-json-cpp" json-modern-cxx))
 360
 361 (define-public xtl
 362   (package
 363     (name "xtl")
 364     (version "0.6.18")
 365     (source (origin
 366               (method git-fetch)
 367               (uri
 368                (git-reference
 369                 (url "https://github.com/QuantStack/xtl")
 370                 (commit version)))
 371               (sha256
 372                (base32
 373                 "0s9gnv1wq0cmpw878dmx0lnci86895hhdrwyc9x8lfbc1hr7ypnh"))
 374               (file-name (git-file-name name version))))
 375     (native-inputs
 376      `(("googletest" ,googletest)
 377        ("json-modern-cxx" ,json-modern-cxx)))
 378     (arguments
 379      `(#:configure-flags
 380        '("-DBUILD_TESTS=ON")
 381        #:phases
 382        (modify-phases %standard-phases
 383          (replace 'check
 384            (lambda* _
 385              (with-directory-excursion "test"
 386                (invoke "./test_xtl")
 387                #t))))))
 388     (home-page "https://github.com/QuantStack/xtl")
 389     (build-system cmake-build-system)
 390     (synopsis "C++ template library providing some basic tools")
 391     (description "xtl is a C++ header-only template library providing basic
 392 tools (containers, algorithms) used by other QuantStack packages.")
 393     (license license:bsd-3)))
 394
 395 (define-public ccls
 396   (package
 397     (name "ccls")
 398     (version "0.20190823.6")
 399     (source
 400      (origin
 401        (method git-fetch)
 402        (uri (git-reference
 403              (url "https://github.com/MaskRay/ccls")
 404              (commit version)))
 405        (sha256
 406         (base32 "11h5nwk4qqshf3i8yr4bxpnvmidrhkzd0zxhf1xqv8cv6r08k47f"))
 407        (file-name (git-file-name name version))))
 408     (build-system cmake-build-system)
 409     (arguments
 410      '(#:tests? #f))                    ; no check target
 411     (inputs
 412      `(("rapidjson" ,rapidjson)))
 413     (native-inputs
 414      `(("clang" ,clang)
 415        ("llvm" ,llvm)))
 416     (home-page "https://github.com/MaskRay/ccls")
 417     (synopsis "C/C++/Objective-C language server")
 418     (description
 419      "@code{ccls} is a server implementing the Language Server Protocol (LSP)
 420 for C, C++ and Objective-C languages.  It uses @code{clang} to perform static
 421 code analysis and supports cross references, hierarchies, completion and
 422 syntax highlighting.  @code{ccls} is derived from @code{cquery} which is not
 423 maintained anymore.")
 424     (license license:asl2.0)))
 425
 426 (define-public gperftools
 427   (package
 428     (name "gperftools")
 429     (version "2.8")
 430     (source
 431      (origin
 432        (method git-fetch)
 433        (uri (git-reference
 434              (url "https://github.com/gperftools/gperftools")
 435              (commit (string-append "gperftools-" version))))
 436        (sha256
 437         (base32 "1rnc53kaxlljgbpsff906vdsry9jl9gcvcnmxgkprwzxq1wipyd0"))
 438        (file-name (git-file-name name version))))
 439     (build-system gnu-build-system)
 440     (native-inputs
 441      `(("autoconf" ,autoconf)
 442        ("automake" ,automake)
 443        ("libtool" ,libtool)
 444        ;; For tests.
 445        ("perl" ,perl)))
 446     (home-page "https://github.com/gperftools/gperftools")
 447     (synopsis "Multi-threaded malloc() and performance analysis tools for C++")
 448     (description
 449      "@code{gperftools} is a collection of a high-performance multi-threaded
 450 malloc() implementation plus some thread-friendly performance analysis
 451 tools:
 452
 453 @itemize
 454 @item tcmalloc,
 455 @item heap profiler,
 456 @item heap checker,
 457 @item CPU checker.
 458 @end itemize\n")
 459     (license license:bsd-3)))
 460
 461 (define-public cpplint
 462   (package
 463     (name "cpplint")
 464     (version "1.4.5")
 465     (source
 466      (origin
 467        (method git-fetch)
 468        ;; Fetch from github instead of pypi, since the test cases are not in
 469        ;; the pypi archive.
 470        (uri (git-reference
 471              (url "https://github.com/cpplint/cpplint")
 472              (commit version)))
 473        (sha256
 474         (base32 "1yzcxqx0186sh80p0ydl9z0ld51fn2cdpz9hmhrp15j53g9ira7c"))
 475        (file-name (git-file-name name version))))
 476     (arguments
 477      `(#:phases
 478        (modify-phases %standard-phases
 479          (add-before 'check 'use-later-pytest
 480            (lambda _
 481              (substitute* "test-requirements"
 482                (("pytest.*") "pytest\n"))
 483              #t)))))
 484     (build-system python-build-system)
 485     (native-inputs
 486      `(("python-pytest" ,python-pytest)
 487        ("python-pytest-cov" ,python-pytest-cov)
 488        ("python-pytest-runner" ,python-pytest-runner)))
 489     (home-page "https://github.com/cpplint/cpplint")
 490     (synopsis "Static code checker for C++")
 491     (description "@code{cpplint} is a command-line tool to check C/C++ files
 492 for style issues following Google’s C++ style guide.  While Google maintains
 493 it's own version of the tool, this is a fork that aims to be more responsive
 494 and make @code{cpplint} usable in wider contexts.")
 495     (license license:bsd-3)))
 496
 497 (define-public reproc
 498   (package
 499     (name "reproc")
 500     (version "14.1.0")
 501     (source
 502       (origin
 503         (method git-fetch)
 504         (uri (git-reference
 505                (url "https://github.com/DaanDeMeyer/reproc")
 506                (commit (string-append "v" version))))
 507         (file-name (git-file-name name version))
 508         (sha256
 509           (base32
 510             "1n71wb50qv2dmhjgw7azx5gigbrp19l2n3d41g9p05l5l0y1qg0q"))))
 511    (build-system cmake-build-system)
 512    (arguments
 513       ;; No tests.
 514     `(#:tests? #f
 515       ;; Enable building of shared library.
 516       #:configure-flags `("-DBUILD_SHARED_LIBS=1")))
 517    (native-inputs
 518     `(("pkg-config" ,pkg-config)))
 519    (synopsis "Process IO library")
 520    (description "reproc (Redirected Process) is a C/C++ library that
 521 simplifies starting, stopping and communicating with external programs.  The
 522 main use case is executing command line applications directly from C or C++
 523 code and retrieving their output.")
 524    (home-page "https://github.com/DaanDeMeyer/reproc")
 525    (license license:expat)))
 526
 527 (define-public sobjectizer
 528   (package
 529     (name "sobjectizer")
 530     (version "5.6.1")
 531     (source
 532      (origin
 533        (method git-fetch)
 534        (uri (git-reference
 535              (url "https://github.com/Stiffstream/sobjectizer")
 536              (commit (string-append "v." version))))
 537        (sha256
 538         (base32 "0jfai7sqxnnjkms38krm7mssj5l79nb3pllkbyj4j581a7l5j6l5"))
 539        (file-name (git-file-name name version))))
 540     (build-system cmake-build-system)
 541     (arguments
 542      `(#:tests? #f
 543        #:phases
 544        (modify-phases %standard-phases
 545          (add-after 'unpack 'change-directory
 546            (lambda _
 547              (chdir "dev")
 548              #t)))))
 549     (home-page "https://stiffstream.com/en/products/sobjectizer.html")
 550     (synopsis "Cross-platform actor framework for C++")
 551     (description
 552      "SObjectizer is a cross-platform \"actor frameworks\" for C++.
 553 SObjectizer supports not only the Actor Model but also the Publish-Subscribe
 554 Model and CSP-like channels.  The goal of SObjectizer is to simplify
 555 development of concurrent and multithreaded applications in C++.")
 556     (license license:bsd-3)))
 557
 558 (define-public tweeny
 559   (package
 560     (name "tweeny")
 561     (version "3")
 562     (source
 563      (origin
 564        (method git-fetch)
 565        (uri (git-reference
 566              (url "https://github.com/mobius3/tweeny")
 567              (commit (string-append "v" version))))
 568        (file-name (git-file-name name version))
 569        (sha256
 570         (base32 "1adm4c17pi7xf3kf6sjyxibz5rdg1ka236p72xsm6js4j9gzlbp4"))))
 571     (arguments
 572      '(#:tests? #f))                    ;no check target
 573     (build-system cmake-build-system)
 574     (home-page "https://mobius3.github.io/tweeny/")
 575     (synopsis "Modern C++ tweening library")
 576     (description "@code{Tweeny} is an inbetweening library designed for the
 577 creation of complex animations for games and other beautiful interactive
 578 software.  It leverages features of modern @code{C++} to empower developers with
 579 an intuitive API for declaring tweenings of any type of value, as long as they
 580 support arithmetic operations.  The goal of @code{Tweeny} is to provide means to
 581 create fluid interpolations when animating position, scale, rotation, frames or
 582 other values of screen objects, by setting their values as the tween starting
 583 point and then, after each tween step, plugging back the result.")
 584     (license license:expat)))
 585
 586 (define-public abseil-cpp
 587   (package
 588     (name "abseil-cpp")
 589     (version "20200225.2")
 590     (source (origin
 591               (method git-fetch)
 592               (uri (git-reference
 593                     (url "https://github.com/abseil/abseil-cpp")
 594                     (commit version)))
 595               (file-name (git-file-name name version))
 596               (sha256
 597                (base32
 598                 "0dwxg54pv6ihphbia0iw65r64whd7v8nm4wwhcz219642cgpv54y"))))
 599     (build-system cmake-build-system)
 600     (arguments
 601      `(#:configure-flags (list "-DBUILD_SHARED_LIBS=ON"
 602                                "-DABSL_RUN_TESTS=ON"
 603                                ;; Needed, else we get errors like:
 604                                ;;
 605                                ;; ld: CMakeFiles/absl_periodic_sampler_test.dir/internal/periodic_sampler_test.cc.o:
 606                                ;;   undefined reference to symbol '_ZN7testing4Mock16UnregisterLockedEPNS_8internal25UntypedFunctionMockerBaseE'
 607                                ;; ld: /gnu/store/...-googletest-1.10.0/lib/libgmock.so:
 608                                ;;   error adding symbols: DSO missing from command line
 609                                ;; collect2: error: ld returned 1 exit status
 610                                "-DCMAKE_EXE_LINKER_FLAGS=-lgtest -lpthread -lgmock")
 611        #:phases
 612        (modify-phases %standard-phases
 613          (add-before 'configure 'remove-gtest-check
 614            ;; The CMakeLists fails to find our googletest for some reason, but
 615            ;; it works nonetheless.
 616            (lambda _
 617              (substitute* "CMakeLists.txt"
 618                (("check_target\\(gtest\\)") "")
 619                (("check_target\\(gtest_main\\)") "")
 620                (("check_target\\(gmock\\)") "")))))))
 621     (native-inputs
 622      `(("googletest" ,googletest)))
 623     (home-page "https://abseil.io")
 624     (synopsis "Augmented C++ standard library")
 625     (description "Abseil is a collection of C++ library code designed to
 626 augment the C++ standard library.  The Abseil library code is collected from
 627 Google's C++ code base.")
 628     (license license:asl2.0)))
 629
 630 (define-public pegtl
 631   (package
 632     (name "pegtl")
 633     (version "2.8.3")
 634     (source (origin
 635               (method git-fetch)
 636               (uri (git-reference
 637                     (url "https://github.com/taocpp/PEGTL")
 638                     (commit version)))
 639               (file-name (git-file-name name version))
 640               (sha256
 641                (base32
 642                 "17crgjfdx55imi2dqnz6xpvsxq07390yfgkz5nd2g77ydkvq9db3"))))
 643     (build-system cmake-build-system)
 644     (home-page "https://github.com/taocpp/PEGTL")
 645     (synopsis "Parsing Expression Grammar template library")
 646     (description "The Parsing Expression Grammar Template Library (PEGTL) is
 647 a zero-dependency C++ header-only parser combinator library for creating
 648 parsers according to a Parsing Expression Grammar (PEG).")
 649     (license license:expat)))