gnu/packages/julia.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2015, 2016, 2017 Ricardo Wurmus <rekado@elephly.net>
   3 ;;; Copyright © 2016, 2020 Efraim Flashner <efraim@flashner.co.il>
   4 ;;; Copyright © 2020 Nicolò Balzarotti <nicolo@nixo.xyz>
   5 ;;;
   6 ;;; This file is part of GNU Guix.
   7 ;;;
   8 ;;; GNU Guix is free software; you can redistribute it and/or modify it
   9 ;;; under the terms of the GNU General Public License as published by
  10 ;;; the Free Software Foundation; either version 3 of the License, or (at
  11 ;;; your option) any later version.
  12 ;;;
  13 ;;; GNU Guix is distributed in the hope that it will be useful, but
  14 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  15 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 ;;; GNU General Public License for more details.
  17 ;;;
  18 ;;; You should have received a copy of the GNU General Public License
  19 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 (define-module (gnu packages julia)
  22   #:use-module ((guix licenses) #:prefix license:)
  23   #:use-module (guix packages)
  24   #:use-module (guix download)
  25   #:use-module (guix utils)
  26   #:use-module (guix git-download)
  27   #:use-module (guix build-system gnu)
  28   #:use-module (gnu packages)
  29   #:use-module (gnu packages algebra)
  30   #:use-module (gnu packages base)
  31   #:use-module (gnu packages compression)
  32   #:use-module (gnu packages curl)
  33   #:use-module (gnu packages elf)
  34   #:use-module (gnu packages gcc)
  35   #:use-module (gnu packages llvm)
  36   #:use-module (gnu packages libevent)
  37   #:use-module (gnu packages libunwind)
  38   #:use-module (gnu packages maths)
  39   #:use-module (gnu packages multiprecision) ; mpfr
  40   #:use-module (gnu packages pcre)
  41   #:use-module (gnu packages perl)
  42   #:use-module (gnu packages pkg-config)
  43   #:use-module (gnu packages python)
  44   #:use-module (gnu packages python-xyz)
  45   #:use-module (gnu packages textutils)
  46   #:use-module (gnu packages ssh)
  47   #:use-module (gnu packages tls)
  48   #:use-module (gnu packages version-control)
  49   #:use-module (gnu packages wget)
  50   #:use-module (ice-9 match))
  51
  52 (define libuv-julia
  53   (let ((commit "35b1504507a7a4168caae3d78db54d1121b121e1")
  54         (revision "1"))
  55     ;; When upgrading Julia, also upgrade this.  Get the commit from
  56     ;; https://github.com/JuliaLang/julia/blob/v1.4.1/deps/libuv.version
  57     (package
  58       (inherit libuv)
  59       (name "libuv-julia")
  60       (version (git-version "2.0.0" revision commit))
  61       (source (origin
  62                 (method git-fetch)
  63                 (uri (git-reference
  64                        (url "https://github.com/JuliaLang/libuv")
  65                        (commit commit)))
  66                 (file-name (string-append name "-" version "-checkout"))
  67                 (sha256
  68                  (base32
  69                   "0dn3v6fdp1z382pqg3nhjzk60l61ky9b65mfgaj29fv2da95rwjs"))))
  70       (build-system gnu-build-system)
  71       (arguments
  72        (substitute-keyword-arguments (package-arguments libuv)
  73          ((#:phases phases)
  74           `(modify-phases ,phases
  75              (delete 'autogen)))))
  76       (home-page "https://github.com/JuliaLang/libuv"))))
  77
  78 (define libunwind-julia
  79   ;; The Julia projects requires their patched version.
  80   ;; Get from https://github.com/JuliaLang/julia/tree/master/deps/patches
  81   (package
  82     (inherit libunwind)
  83     (name "libunwind-julia")
  84     (version "1.3.1")
  85     (source
  86      (origin
  87        (method url-fetch)
  88        (uri (string-append "mirror://savannah/libunwind/libunwind-"
  89                            version ".tar.gz"))
  90        (sha256
  91         (base32
  92          "1y0l08k6ak1mqbfj6accf9s5686kljwgsl4vcqpxzk5n74wpm6a3"))
  93        (patches
  94         (list
  95          (julia-patch "libunwind-prefer-extbl"
  96                       "0lr4dafw8qyfh8sw8hhbwkql1dlhqv8px7k81y2l20hhxfgnh2m1")
  97          (julia-patch "libunwind-static-arm"
  98                       "1jk3bmiw61ypcchqkk1fyg5wh8wpggk574wxyfyaic870zh3lhgq")))))
  99     (home-page "https://github.com/JuliaLang/tree/master/deps/")))
 100
 101 (define (julia-patch-url version name)
 102   (string-append "https://raw.githubusercontent.com/JuliaLang/julia/v" version
 103                  "/deps/patches/" name ".patch"))
 104
 105 (define (julia-patch name sha)
 106   (let ((version "1.4.1"))
 107     (origin (method url-fetch)
 108             (uri (julia-patch-url version name))
 109             (sha256 (base32 sha))
 110             (file-name name))))
 111
 112 (define llvm-julia
 113   (package
 114     (inherit llvm-8)
 115     (name "llvm-julia")
 116     (source (origin
 117               (inherit (package-source llvm-8))
 118               ;; Those patches are inside the Julia source repo.
 119               ;; They are _not_ Julia specific (https://github.com/julialang/julia#llvm)
 120               ;; but they are required to build Julia.
 121               ;; Discussion: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=919628
 122               (patches
 123                 (map (match-lambda
 124                        ((name hash)
 125                         (julia-patch name hash)))
 126                      (list
 127                        '("llvm-7.0-D44650"
 128                          "1h55kkmkiisfj6sk956if2bcj9s0v6n5czn8dxb870vp5nccj3ir")
 129                        '("llvm-6.0-DISABLE_ABI_CHECKS"
 130                          "014fawd1ba7yckalypfld22zgic87x9nx3cim42zrwygywd36pyg")
 131                        '("llvm-6.0-NVPTX-addrspaces"
 132                          "1qdi2zmrjsrj0h84zv2vyly2hjcn4f67mfy0s1q353g4v4jkscqc")
 133                        '("llvm-D27629-AArch64-large_model_6.0.1"
 134                          "1qrshmlqvnasdyc158vfn3hnbigqph3lsq7acb9w8lwkpnnm2j4z")
 135                        '("llvm8-D34078-vectorize-fdiv"
 136                          "19spqc3xsazn1xs9gpcgv9ldadfkv49rmc5khl7sf1dlmhgi4602")
 137                        '("llvm7-D50010-VNCoercion-ni"
 138                          "18scg6aa036xa1508s7q93w9dvc5gp69fz6yl6fkh4yffw4gymw6")
 139                        '("llvm-8.0-D50167-scev-umin"
 140                          "0g9w2x8yryjdkihnrf18x0yi5bi14c5p8wffda1w732dr5ckzk94")
 141                        '("llvm-D57118-powerpc"
 142                          "0vxz5s0s9b625v1rv8lg1566yhxh1i91ydzmvy5s7njvzc7p19aw")
 143                        '("llvm8-WASM-addrspaces"
 144                          "1176agj9hh7csdm2lnklb42zcdsb3q6lx9jiyp2shn4p2678y76q")
 145                        '("llvm-exegesis-mingw"
 146                          "0ph1cj1j7arvf1xq2xcr7qf9g0cpdl14fincgr67vpi520zvd3vp")
 147                        '("llvm-test-plugin-mingw"
 148                          "12z738cnahbf6n381im7i0hxp1m6k9hrnfjlmq9sac46nxly9gnj")
 149                        '("llvm-8.0-D66401-mingw-reloc"
 150                          "15v3p5sznn979cfnd7gdn3nd701fd7xd5aks6lnj1mslvljlq3ls")
 151                        '("llvm7-revert-D44485"
 152                          "0f59kq3p3mpwsbmskypbi4zn01l6ig0x7v2rjp08k2r8z8m6fa8n")
 153                        '("llvm-8.0-D63688-wasm-isLocal"
 154                          "0i9wi5n63ip3802z6m7aj3p07hkqjlmp4vg4wq3xkf9f6w9rksab")
 155                        '("llvm-8.0-D55758-tablegen-cond"
 156                          "1l08mg7qigravi7plsq3yzya80fljnp95n8faddr29wbr2qr0655")
 157                        '("llvm-8.0-D59389-refactor-wmma"
 158                          "0rgrwk4xlwpk7yai2j7xadcfws93rmk2hhh44fysa88imvrbp478")
 159                        '("llvm-8.0-D59393-mma-ptx63-fix"
 160                          "094jcsxbcx9fljj623mgmc0rjpk12s2rs0di0ck0hakzhr8mbv5n")
 161                        '("llvm-8.0-D66657-codegen-degenerate"
 162                          "1n1ddx19h90bbpimdyd9dh8fsm6gb93xxyqm4ljkxa1k3cx2vm72")
 163                        '("llvm-8.0-D71495-vectorize-freduce"
 164                          "1zff08wvji9lnpskk4b3p5zyjsy5hhy23ynxjqlj9dw7jvvfrf0p")
 165                        '("llvm-8.0-D75072-SCEV-add-type"
 166                          "0amlyyndsc90ml2k6prdahf24q0j23nfmlbqf8gcqcxpl5sqq3i6")
 167                        '("llvm-8.0-D65174-limit-merge-stores"
 168                         "1ls5114fhgip9rbqabqc16mi367ra0k75ngc1vyqqhq1ghm9x7y9"))))))
 169     (arguments
 170      (substitute-keyword-arguments (package-arguments llvm-8)
 171        ((#:configure-flags flags)
 172         `(list ;; Taken from NixOS. Only way I could get libLLVM-6.0.so
 173            "-DCMAKE_BUILD_TYPE=Release"
 174
 175            ;; Build a native compiler and the NVPTX backend (NVIDIA) since
 176            ;; Julia insists on it, nothing more.  This reduces build times and
 177            ;; disk usage.
 178            ,(string-append "-DLLVM_TARGETS_TO_BUILD=" (system->llvm-target))
 179            "-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=NVPTX"
 180
 181            "-DLLVM_INSTALL_UTILS=ON"
 182            "-DLLVM_BUILD_TESTS=ON"
 183            "-DLLVM_ENABLE_FFI=ON"
 184            "-DLLVM_ENABLE_RTTI=ON"
 185            ;; "-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}"
 186            ;; "-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.hostPlatform.config}"
 187            ;; "-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly"
 188            "-DLLVM_ENABLE_DUMP=ON"
 189            "-DLLVM_LINK_LLVM_DYLIB=ON"))))))
 190
 191 (define-public libwhich
 192   (package
 193     (name "libwhich")
 194     (version "1.1.0")
 195     (source
 196      (origin
 197        (method git-fetch)
 198        (uri (git-reference
 199              (url "https://github.com/vtjnash/libwhich")
 200              ;; fixes linux-vdso.so related tests
 201              (commit "87cffe10080c98e7b5786c5166e420bf1ada1d41")))
 202        (file-name (string-append name "-" version "-checkout"))
 203        (sha256
 204         (base32
 205          "1bpa0fcqpa3ai3hm8mz0p13bf76fsq53wsfcx5qw302zh22108xr"))))
 206     (arguments
 207      `(#:make-flags
 208        (list "CC=gcc")
 209        #:phases
 210        (modify-phases %standard-phases
 211          (delete 'configure)
 212          (add-before 'check 'set-ld-library-path
 213            (lambda* (#:key inputs #:allow-other-keys)
 214              (setenv "LD_LIBRARY_PATH"
 215                      (string-append (assoc-ref inputs "zlib") "/lib"))))
 216          (replace 'install
 217            (lambda* (#:key outputs #:allow-other-keys)
 218              (let ((out (assoc-ref outputs "out")))
 219                (install-file "libwhich" (string-append out "/bin")))
 220              #t)))))
 221     (native-inputs
 222      ;; used for tests
 223      `(("zlib" ,zlib)))
 224     (build-system gnu-build-system)
 225     (home-page "https://github.com/vtjnash/libwhich")
 226     (synopsis "Like @code{which}, for dynamic libraries")
 227     (description "@code{libwhich} is like @code{which}, but for dynamic
 228 libraries.  It is also a bit like @code{ldd} and @code{otool -L}.")
 229     (license license:expat)))
 230
 231 (define-public julia
 232   (package
 233     (name "julia")
 234     (version "1.4.1")
 235     (source (origin
 236               (method url-fetch)
 237               (uri (string-append
 238                     "https://github.com/JuliaLang/julia/releases/download/v"
 239                     version "/julia-" version ".tar.gz"))
 240               (sha256
 241                (base32
 242                 "030aza3qj5zcinxbrbqgi7p64q6klwq2bhwccraarx7l0hg9lw3i"))
 243               (patches
 244                (search-patches "julia-SOURCE_DATE_EPOCH-mtime.patch"))))
 245     (build-system gnu-build-system)
 246     (arguments
 247      `(#:test-target "test"
 248        #:modules ((ice-9 match)
 249                   (guix build gnu-build-system)
 250                   (guix build utils))
 251
 252        ;; Do not strip binaries to keep support for full backtraces.
 253        ;; See https://github.com/JuliaLang/julia/issues/17831
 254        #:strip-binaries? #f
 255
 256        ;; The DSOs use $ORIGIN to refer to each other, but (guix build
 257        ;; gremlin) doesn't support it yet, so skip this phase.
 258        #:validate-runpath? #f
 259
 260        #:phases
 261        (modify-phases %standard-phases
 262          (delete 'configure)
 263          (add-after 'unpack 'prepare-deps
 264            (lambda* (#:key inputs #:allow-other-keys)
 265              ;; needed by libwhich
 266              (setenv "LD_LIBRARY_PATH"
 267                      (string-join (map (lambda (pkg)
 268                                          (string-append (assoc-ref inputs pkg)
 269                                                         "/lib"))
 270                                        '("arpack-ng" "curl" "dsfmt"
 271                                          "gmp" "lapack"
 272                                          "libssh2" "libgit2"
 273                                          "mbedtls" "mpfr"
 274                                          "openblas" "openlibm" "pcre2"
 275                                          "suitesparse"))
 276                                   ":"))
 277              #t))
 278          ;; FIXME: Building the documentation requires Julia packages that
 279          ;; would be downloaded from the Internet.  We should build them in a
 280          ;; separate build phase.
 281          (add-after 'unpack 'disable-documentation
 282            (lambda _
 283              (substitute* "Makefile"
 284                (("(install: .*) \\$\\(BUILDROOT\\)/doc/_build/html/en/index.html" _ line)
 285                 (string-append line "\n"))
 286                (("src ui doc deps")
 287                 "src ui deps"))
 288              #t))
 289          (add-after 'unpack 'use-system-libwhich
 290            (lambda* (#:key inputs #:allow-other-keys)
 291              ;; don't build it
 292              (substitute* "deps/Makefile"
 293                (("DEP_LIBS \\+= libwhich") ""))
 294              ;; call our version
 295              (substitute* "base/Makefile"
 296                (("\\$\\$\\(build_depsbindir\\)/libwhich")
 297                 (string-append (assoc-ref inputs "libwhich") "/bin/libwhich")))
 298              #t))
 299          (add-before 'check 'set-home
 300            ;; Some tests require a home directory to be set.
 301            (lambda _ (setenv "HOME" "/tmp") #t))
 302          (add-before 'build 'fix-include-and-link-paths
 303            (lambda* (#:key inputs #:allow-other-keys)
 304              ;; LIBUTF8PROC is a linker flag, not a build target.  It is
 305              ;; included in the LIBFILES_* variable which is used as a
 306              ;; collection of build targets and a list of libraries to link
 307              ;; against.
 308              (substitute* "src/flisp/Makefile"
 309                (("\\$\\(BUILDDIR\\)/\\$\\(EXENAME\\)\\$\\(EXE\\): \\$\\(OBJS\\) \\$\\(LIBFILES_release\\)")
 310                 "$(BUILDDIR)/$(EXENAME)$(EXE): $(OBJS) $(LLT_release)")
 311                (("\\$\\(BUILDDIR\\)/\\$\\(EXENAME\\)-debug$(EXE): \\$\\(DOBJS\\) \\$\\(LIBFILES_debug\\)")
 312                 "$(BUILDDIR)/$(EXENAME)-debug\\$\\(EXE\\): $(DOBJS) $(LLT_debug)"))
 313
 314              ;; The REPL must be linked with libuv.
 315              (substitute* "ui/Makefile"
 316                (("JLDFLAGS \\+= ")
 317                 (string-append "JLDFLAGS += "
 318                                (assoc-ref %build-inputs "libuv")
 319                                "/lib/libuv.so ")))
 320
 321              (substitute* "base/Makefile"
 322                (("\\$\\(build_includedir\\)/uv/errno.h")
 323                 (string-append (assoc-ref inputs "libuv")
 324                                "/include/uv/errno.h")))
 325              #t))
 326          (add-before 'build 'replace-default-shell
 327            (lambda _
 328              (substitute* "base/client.jl"
 329                (("/bin/sh") (which "sh")))
 330              #t))
 331          (add-before 'build 'fix-precompile
 332            (lambda _
 333              (substitute* "base/loading.jl"
 334                (("something(Base.active_project(), \"\")") "\"\""))
 335              #t))
 336          (add-before 'check 'disable-broken-tests
 337            (lambda _
 338              (substitute* "test/choosetests.jl"
 339                (("tests = testnames")
 340                 ;; Those failings are not deterministic.  They depends on the
 341                 ;; running order.  I think it depends on the number of
 342                 ;; runners, disabling it for now
 343                 ;; https://github.com/JuliaLang/julia/issues/34330
 344                 "tests = filter(e->!in(e,[\"backtrace\",\"exceptions\",\"precompile\",
 345                                            \"client\",\"stacktraces\"]),
 346                                        testnames)"))
 347              ;; precompile test is broken, fixed in
 348              ;; fed29f893544d1dc8f86444c65d632c68168d0f3
 349              (substitute* "test/precompile.jl"
 350                (("@test !isdefined\\(Base.Nothing.name.mt")
 351                 "# @test !isdefined(Base.Nothing.name.mt"))
 352              ;; When HOME is not set, julia calls uv_os_homedir, which in
 353              ;; turns call getpwuid_r. Add the HOME env variable to the
 354              ;; external julia call to fix this
 355              (substitute* "test/cmdlineargs.jl"
 356                (("\"JULIA_PROJECT\"") "\"HOME\"=>\"/tmp\", \"JULIA_PROJECT\""))
 357              ;; Marking the test as broken as it's a known bug:
 358              ;; https://github.com/JuliaLang/julia/issues/32377
 359              (substitute* "stdlib/REPL/test/replcompletions.jl"
 360                (("@test count") "@test_broken count"))
 361              ;; Dates has a similar bug:
 362              ;; https://github.com/JuliaLang/julia/issues/34655
 363              (substitute* "stdlib/Dates/test/io.jl"
 364                (("\"Dates.Time") "\"Time"))
 365              ;; Upstream bug I found when packaging
 366              ;; https://github.com/JuliaLang/julia/issues/35785
 367              (substitute* "test/file.jl"
 368                (("@test dirname\\(t\\) == d") "@test_broken dirname(t) == d"))
 369              #t))
 370          (add-after 'install 'make-wrapper
 371            (lambda* (#:key inputs outputs #:allow-other-keys)
 372              (let* ((out (assoc-ref outputs "out"))
 373                     (bin (string-append out "/bin"))
 374                     (program "julia"))
 375                (with-directory-excursion bin
 376                  (wrap-program program
 377                    `("JULIA_LOAD_PATH" ":" prefix
 378                      ("" "$JULIA_LOAD_PATH")))
 379                  (wrap-program program
 380                    `("JULIA_DEPOT_PATH" ":" prefix
 381                      ("" "$JULIA_DEPOT_PATH"))))
 382                #t))))
 383        #:make-flags
 384        (list
 385         (string-append "prefix=" (assoc-ref %outputs "out"))
 386
 387          ;; Passing the MARCH flag is necessary to build binary substitutes for
 388          ;; the supported architectures.
 389          ,(match (or (%current-target-system)
 390                      (%current-system))
 391                  ("x86_64-linux" "MARCH=x86-64")
 392                  ("i686-linux" "MARCH=pentium4")
 393                  ("aarch64-linux" "MARCH=armv8-a")
 394                  ;; Prevent errors when querying this package on unsupported
 395                  ;; platforms, e.g. when running "guix package --search="
 396                  (_ "MARCH=UNSUPPORTED"))
 397
 398          "CONFIG_SHELL=bash"     ;needed to build bundled libraries
 399          ;; list of "USE_SYSTEM_*" is here:
 400          ;; https://github.com/JuliaLang/julia/blob/v1.3.1/Make.inc
 401          "USE_SYSTEM_DSFMT=1"
 402          "USE_SYSTEM_P7ZIP=1"
 403          "USE_SYSTEM_LAPACK=1"
 404          "USE_SYSTEM_BLAS=1"
 405          "USE_BLAS64=0"          ;needed when USE_SYSTEM_BLAS=1
 406          "LIBBLAS=-lopenblas"
 407          "LIBBLASNAME=libopenblas"
 408
 409          "USE_SYSTEM_SUITESPARSE=1"
 410          (string-append "SUITESPARSE_INC=-I "
 411                         (assoc-ref %build-inputs "suitesparse")
 412                         "/include")
 413          "USE_GPL_LIBS=1"        ;proudly
 414          "USE_SYSTEM_UTF8PROC=1"
 415          (string-append "UTF8PROC_INC="
 416                         (assoc-ref %build-inputs "utf8proc")
 417                         "/include")
 418          "USE_SYSTEM_LLVM=1"
 419          "LLVM_VER=8.0.0"
 420
 421          "USE_LLVM_SHLIB=1"
 422          "USE_SYSTEM_LIBUNWIND=1"
 423          "USE_SYSTEM_LIBUV=1"
 424          (string-append "LIBUV="
 425                         (assoc-ref %build-inputs "libuv")
 426                         "/lib/libuv.so")
 427          (string-append "LIBUV_INC="
 428                         (assoc-ref %build-inputs "libuv")
 429                         "/include")
 430          "USE_SYSTEM_PATCHELF=1"
 431          "USE_SYSTEM_PCRE=1"
 432          "USE_SYSTEM_OPENLIBM=1"
 433          "USE_SYSTEM_MBEDTLS=1"
 434          "USE_SYSTEM_LIBSSH2=1"
 435          "USE_SYSTEM_GMP=1"
 436          "USE_SYSTEM_MPFR=1"
 437          "USE_SYSTEM_ARPACK=1"
 438          "USE_SYSTEM_LIBGIT2=1"
 439          "USE_SYSTEM_ZLIB=1")))
 440     (inputs
 441      `(("llvm" ,llvm-julia)
 442        ("p7zip" ,p7zip)
 443        ;; The bundled version is 3.3.0 so stick to that version.  With other
 444        ;; versions, we get test failures in 'linalg/arnoldi' as described in
 445        ;; <https://bugs.gnu.org/30282>.
 446        ("arpack-ng" ,arpack-ng-3.3.0)
 447
 448        ("coreutils" ,coreutils) ;for bindings to "mkdir" and the like
 449        ("lapack" ,lapack)
 450        ("openblas" ,openblas) ;Julia does not build with Atlas
 451        ("libunwind" ,libunwind-julia)
 452        ("openlibm" ,openlibm)
 453        ("mbedtls" ,mbedtls-apache)
 454        ("curl" ,curl)
 455        ("libgit2" ,libgit2-0.28)
 456        ("libssh2" ,libssh2)
 457        ("fortran" ,gfortran)
 458        ("libuv" ,libuv-julia)
 459        ("pcre2" ,pcre2)
 460        ("utf8proc" ,utf8proc)
 461        ("mpfr" ,mpfr)
 462        ("wget" ,wget)
 463        ("which" ,which)
 464        ("zlib" ,zlib)
 465        ("gmp" ,gmp)
 466        ("suitesparse" ,suitesparse)
 467        ;; Find dependencies versions here:
 468        ;; https://raw.githubusercontent.com/JuliaLang/julia/v1.3.0/deps/Versions.make
 469        ("libwhich" ,libwhich)
 470        ("dsfmt" ,dsfmt)))
 471     (native-inputs
 472      `(("openssl" ,openssl)
 473        ("perl" ,perl)
 474        ("patchelf" ,patchelf)
 475        ("pkg-config" ,pkg-config)
 476        ("python" ,python-2)))
 477     (native-search-paths
 478       (list (search-path-specification
 479               (variable "JULIA_LOAD_PATH")
 480               (files (list "share/julia/packages/")))
 481             (search-path-specification
 482               (variable "JULIA_DEPOT_PATH")
 483               (files (list "share/julia/")))))
 484     ;; Julia is not officially released for ARM and MIPS.
 485     ;; See https://github.com/JuliaLang/julia/issues/10639
 486     (supported-systems '("i686-linux" "x86_64-linux" "aarch64-linux"))
 487     (home-page "https://julialang.org/")
 488     (synopsis "High-performance dynamic language for technical computing")
 489     (description
 490      "Julia is a high-level, high-performance dynamic programming language for
 491 technical computing, with syntax that is familiar to users of other technical
 492 computing environments.  It provides a sophisticated compiler, distributed
 493 parallel execution, numerical accuracy, and an extensive mathematical function
 494 library.")
 495     (license license:expat)))