aboutsummaryrefslogtreecommitdiff
path: root/gn/packages/arrayfire.scm
blob: 6c516b9ca49f552ff982150dca53c7f866302623 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Dennis Mungai <dmngaie@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gn packages cl)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system cmake)
  #:use-module (guix packages)
  #:use-module (gnu packages)
  #:use-module (guix utils)
  #:use-module (gnu packages algebra)
  #:use-module (gnu packages autotools)
  #:use-module (gnu packages bootstrap)
  #:use-module (gnu packages curl)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages libffi)
  #:use-module (gnu packages gawk)
  #:use-module (gnu packages cmake)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages boost)
  #:use-module (gnu packages glib)
  #:use-module (gnu packages image)
  #:use-module (gnu packages video)
  #:use-module (gnu packages textutils)
  #:use-module (gnu packages gl)
  #:use-module (gnu packages llvm)
  #:use-module (gnu packages gcc)
  #:use-module (gnu packages gnupg)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages maths)
  #:use-module (gnu packages mpi)
  #:use-module (gnu packages web)
  #:use-module (gnu packages wget)
  #:use-module (gnu packages python)
  #:use-module (gnu packages ruby)
  #:use-module (gnu packages xorg)
  #:use-module (gnu packages xml)
  #:use-module (gnu packages version-control)
  #:use-module (gnu packages zip)  
  #:use-module (gnu packages linux))

(define-public arrayfire
(package
    (name "arrayfire")
    (version "3.3.2")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://arrayfire.com/arrayfire_source/arrayfire-full-" version 
                                  ".tar.bz2"))
              (file-name (string-append name "-" version ".tar.bz2"))
              (sha256
               (base32
                "0n51pndah1x1kcbcj9x6y8188lf459mi3w3h67kx860ph7r4qk9m"))))
    (native-inputs `(("autoconf" ,autoconf)
        ("automake" ,automake)
        ("gawk" ,gawk)
        ("glew" ,glew)
        ("libtool" ,libtool)
        ("pkg-config" ,pkg-config)))
    (inputs `(("boost" ,boost)
       ("glfw" ,glfw)
       ("compute" ,compute)
       ("clblas" ,clblas)
       ("clfft" ,clfft)
       ("atlas" ,atlas)
       ("dbus" ,dbus)
       ("opencl-headers" ,opencl-headers)
       ("enca" ,enca)
       ("eudev" ,eudev)
       ("glew" ,glew)
       ("glib" ,glib)
       ("lapack" ,lapack)
       ("scalapack" ,scalapack)
       ("libcap" ,libcap)
       ("libjpeg" ,libjpeg)
       ("libltdl" ,libltdl)
       ("libtiff" ,libtiff)
       ("libyajl" ,libyajl)
       ("mesa-utils" ,mesa-utils)
       ("python" ,python-2)
       ("freeimage" ,freeimage)
       ("freeglut" ,freeglut)
       ("fftw" ,fftw)
       ("fftwf" ,fftwf)
       ("fftw-openmpi" ,fftw-openmpi)
       ("glew" ,glew)
       ("openblas" ,openblas)
       ("glu" ,glu)))
    (build-system cmake-build-system)
    (arguments 
     `(#:configure-flags '("-DBUILD_OPENCL=ON" "-DBUILD_CUDA=OFF" "-DBUILD_GRAPHICS=OFF" "-DUSE_SYSTEM_BOOST_COMPUTE=ON" "-DUSE_SYSTEM_CLBLAS=ON" "-DUSE_SYSTEM_CLFFT=ON" "-DBUILD_TEST=ON") 
       #:tests? #t))     
    (synopsis "ArrayFire: a general purpose GPU library. https://arrayfire.com")
    (description "ArrayFire is a high performance software library for parallel computing with an easy-to-use API. Its array based function set makes parallel programming simple.")
    (home-page "http://arrayfire.com/")
    (license (list license:gpl2 
                   license:gpl2+ 
                   license:gpl3
                   license:bsd-3 
                   license:gpl3+))))
                                      
(define-public glfw
  (package
    (name "glfw")
    (version "3.1.2")
    (source (origin
             (method url-fetch)
             (uri (string-append "https://github.com/glfw/glfw/archive/"
                                 version ".tar.gz"))
             (sha256
              (base32
               "08pixv8hd5xsccf7l8cqcijjqaq4k4da8qbp77wggal2fq445ika"))))
    (build-system cmake-build-system)
    (arguments `(#:configure-flags '("-DBUILD_SHARED_LIBS=ON") 
                 #:tests? #f))
    (native-inputs `(("autoconf" ,autoconf)
        ("automake" ,automake)
        ("cmake" ,cmake)
        ("git" ,git)
        ("libtool" ,libtool)
        ("libpthread-stubs" ,libpthread-stubs)
        ("pkg-config" ,pkg-config)))
    (inputs `(("curl" ,curl)
       ("dbus" ,dbus)
       ("enca" ,enca)
       ("eudev" ,eudev)
       ("glew" ,glew)
       ("libcap" ,libcap)
       ("libjpeg" ,libjpeg)
       ("libltdl" ,libltdl)
       ("libtiff" ,libtiff)
       ("mesa-utils" ,mesa-utils)
       ("randrproto" ,randrproto)
       ("libxrandr" ,libxrandr)
       ("xineramaproto" ,xineramaproto)
       ("libxinerama" ,libxinerama)
       ("libxcursor" ,libxcursor)
       ("python" ,python-2)))       
    (home-page "http://www.glfw.org/")
    (synopsis "glfw is an Open Source, multi-platform library for creating windows with OpenGL contexts and receiving input and events.")
    (description "glfw is an Open Source, multi-platform library for creating windows with OpenGL contexts and receiving input and events.")
    (license (list license:gpl2
                   license:zlib))))
                       
(define-public clblas
  (package
    (name "clblas")
    (version "2.10")
    (source (origin
             (method url-fetch)
             (uri (string-append "https://github.com/clMathLibraries/clBLAS/archive/v"
                                 version ".tar.gz"))
             (sha256
              (base32
               "0adlb02lqzrklfybhnv4n0p37mvkvdi3vqiwa05x2mv05ywnr93j"))))
    (build-system cmake-build-system)    
    (arguments `(#:tests? #f 
                 #:configure-flags '("../clBLAS-2.10/src" "-DBUILD_SHARED_LIBS=ON" "-DCMAKE_BUILD_TYPE=Release" "-DBUILD_TEST=OFF"))) ;;tlpgen requires network access. Disable it.
    (native-inputs `(("autoconf" ,autoconf)
        ("automake" ,automake)
        ("cmake" ,cmake)
        ("gfortran" ,gfortran)
        ("libtool" ,libtool)
        ("pkg-config" ,pkg-config)))
    (inputs `(("curl" ,curl)
       ("dbus" ,dbus)
       ("boost" ,boost)
       ("enca" ,enca)
       ("eudev" ,eudev)
       ("fftw-openmpi" ,fftw-openmpi)
       ("glew" ,glew)       
       ("libcap" ,libcap)
       ("libjpeg" ,libjpeg)
       ("libltdl" ,libltdl)
       ("libtiff" ,libtiff)
       ("mesa-utils" ,mesa-utils)
       ("openmpi" ,openmpi)
       ("opencl-headers" ,opencl-headers)
       ("ocd-icd" ,ocl-icd)
       ("randrproto" ,randrproto)
       ("libxrandr" ,libxrandr)
       ("xineramaproto" ,xineramaproto)
       ("libxinerama" ,libxinerama)
       ("libxcursor" ,libxcursor)
       ("python" ,python-2)))       
    (home-page "http://www.glfw.org/")
    (synopsis "glfw is an Open Source, multi-platform library for creating windows with OpenGL contexts and receiving input and events.")
    (description "glfw is an Open Source, multi-platform library for creating windows with OpenGL contexts and receiving input and events.")
    (license (list license:gpl2
                   license:asl2.0))))
                       
(define-public clfft
  (package
    (name "clfft")
    (version "2.12.0")
    (source (origin
             (method url-fetch)
             (uri (string-append "https://github.com/clMathLibraries/clFFT/archive/v"
                                 version ".tar.gz"))
             (sha256
              (base32
               "004n14q8bp1yvf6hja0nljyv7lnhs3w9ipa461c33znq1jqa28y6"))))
    (build-system cmake-build-system)    
    (arguments `(#:configure-flags '("../clFFT-2.12.0/src" "-DBUILD_SHARED_LIBS=ON" "-DCMAKE_BUILD_TYPE=Release") #:tests? #f))
    (native-inputs `(("autoconf" ,autoconf)
        ("automake" ,automake)
        ("cmake" ,cmake)
        ("libtool" ,libtool)
        ("pkg-config" ,pkg-config)))
    (inputs `(("curl" ,curl)
       ("dbus" ,dbus)
       ("enca" ,enca)
       ("eudev" ,eudev)
       ("fftw-openmpi" ,fftw-openmpi)
       ("glew" ,glew)
       ("libcap" ,libcap)
       ("libjpeg" ,libjpeg)
       ("libltdl" ,libltdl)
       ("libtiff" ,libtiff)
       ("mesa-utils" ,mesa-utils)
       ("openmpi" ,openmpi)
       ("opencl-headers" ,opencl-headers)
       ("ocd-icd" ,ocl-icd)
       ("randrproto" ,randrproto)
       ("libxrandr" ,libxrandr)
       ("xineramaproto" ,xineramaproto)
       ("libxinerama" ,libxinerama)
       ("libxcursor" ,libxcursor)
       ("python" ,python-2)))       
    (home-page "http://www.glfw.org/")
    (synopsis "glfw is an Open Source, multi-platform library for creating windows with OpenGL contexts and receiving input and events.")
    (description "glfw is an Open Source, multi-platform library for creating windows with OpenGL contexts and receiving input and events.")
    (license (list license:gpl2
                   license:asl2.0))))
                       
(define-public compute
  (package
    (name "compute")
    (version "1.61.0")
    (source (origin
             (method url-fetch)
             (uri (string-append "https://github.com/boostorg/compute/archive/boost-"
                                 version ".tar.gz"))
             (sha256
              (base32
               "1jkdad65yqqrldi5h3rzph57yl350zn7bl3xv6a923l2p2a6zl2z"))))
    (build-system cmake-build-system)    
    (arguments `(#:configure-flags '("-DBUILD_SHARED_LIBS=ON" "-DCMAKE_BUILD_TYPE=Release") #:tests? #f))
    (native-inputs `(("autoconf" ,autoconf)
        ("automake" ,automake)
        ("cmake" ,cmake)
        ("libtool" ,libtool)
        ("pkg-config" ,pkg-config)))
    (inputs `(("curl" ,curl)
       ("dbus" ,dbus)
       ("enca" ,enca)
       ("eudev" ,eudev)
       ("fftw-openmpi" ,fftw-openmpi)
       ("glew" ,glew)
       ("boost" ,boost)
       ("libcap" ,libcap)
       ("libjpeg" ,libjpeg)
       ("libltdl" ,libltdl)
       ("libtiff" ,libtiff)
       ("mesa-utils" ,mesa-utils)
       ("openmpi" ,openmpi)
       ("opencl-headers" ,opencl-headers)
       ("ocd-icd" ,ocl-icd)
       ("randrproto" ,randrproto)
       ("libxrandr" ,libxrandr)
       ("xineramaproto" ,xineramaproto)
       ("libxinerama" ,libxinerama)
       ("libxcursor" ,libxcursor)
       ("python" ,python-2)))       
    (home-page "http://boost.org")
    (synopsis "Peer-reviewed portable C++ source libraries,BoostCompute")
    (description "Peer-reviewed portable C++ source libraries,BoostCompute")
    (license (list license:x11-style
                   license:boost1.0))))
                                              
(define-public opencl-headers
(let ((commit "c1770dc"))
  (package
    (name "opencl-headers")
    (version (string-append "2.1-" commit ))
    (source (origin
              (method git-fetch)
              (uri (git-reference
              (url "https://github.com/KhronosGroup/OpenCL-Headers.git")
              (commit commit)))
              (file-name (string-append name "-" commit))
              (sha256
               (base32
                "0m9fkblqja0686i2jjqiszvq3df95gp01a2674xknlmkd6525rck"))))
    (propagated-inputs '())
    (inputs '())
    (native-inputs '())
    (build-system gnu-build-system)
    (arguments
     '(#:phases
       (modify-phases %standard-phases
         (delete 'configure)
         (delete 'build)
         (delete 'check)
         (replace 'install
                  (lambda* (#:key outputs #:allow-other-keys)
                    (copy-recursively "." (string-append
                                                 (assoc-ref outputs "out")
                                                 "/include/CL")))))))
    (synopsis "The Khronos OpenCL headers")
    (description "This package provides the Khronos OpenCL headers")
    (home-page "https://www.khronos.org/registry/cl/")
    (license (list license:gpl2)))))
    
(define-public pocl
(let ((commit "5167ffd"))
(package
    (name "pocl")
    (version (string-append "0.13-" commit))
    (source (origin
              (method git-fetch)
              (uri (git-reference
              (url "https://github.com/pocl/pocl.git")
              (commit commit)))
              (file-name (string-append name "-" commit))
              (sha256
               (base32
                "09fgby8kwpp2xs2nr6mi05z0yxx6hvqi9scrc4byb8p7v7a7k9gj"))))
    (native-inputs `(("autoconf" ,autoconf)
        ("automake" ,automake)
        ("gawk" ,gawk)
        ("glew" ,glew)
        ("libtool" ,libtool)
        ("pkg-config" ,pkg-config)))
    (inputs `(("boost" ,boost)
       ("glfw" ,glfw);;compute package deprecated
       ("atlas" ,atlas)
       ("boost" ,boost)
       ("opencl-headers" ,opencl-headers)
       ("ocl-icd" ,ocl-icd)
       ("enca" ,enca)
       ("clang" ,clang-3.8)
       ("clang-runtime-3.8" ,clang-runtime-3.8)
       ("eudev" ,eudev)
       ("glib" ,glib)
       ("hwloc" ,hwloc)
       ("lapack" ,lapack)
       ("scalapack" ,scalapack)
       ("libcap" ,libcap)
       ("libjpeg" ,libjpeg)
       ("libltdl" ,libltdl)
       ("libtiff" ,libtiff)
       ("libyajl" ,libyajl)
       ("llvm" ,llvm-3.8)
       ("zlib" ,zlib)
       ("mesa-utils" ,mesa-utils)
       ("python" ,python-2)
       ("perl" ,perl)
       ("freeimage" ,freeimage)
       ("freeglut" ,freeglut)
       ("fftw" ,fftw)
       ("fftwf" ,fftwf)
       ("fftw-openmpi" ,fftw-openmpi)
       ("glew" ,glew)
       ("openblas" ,openblas)
       ("glu" ,glu)))
    (build-system gnu-build-system)
    (arguments
     '(#:phases (modify-phases %standard-phases
                    (delete 'tests)
                    (add-after 'unpack `bootstrap
                      (lambda _
                        (zero? (system* "autoreconf" "-vfi")))))))   
    (synopsis "pocl: A portable OpenCL implementation")
    (description "pocl is a MIT-licensed open source implementation of the OpenCL standard")
    (home-page "http://portablecl.org/")
    (license (list license:gpl2 
                   license:gpl2+ 
                   license:gpl3
                   license:bsd-3 
                   license:gpl3+
                   license:x11)))))
                   
(define-public ocl-icd
  (package
   (name "ocl-icd")
   (version "2.2.9")
   (source (origin
             (method url-fetch)
             (uri (string-append "https://forge.imag.fr/frs/download.php/716/ocl-icd-"
                                 version ".tar.gz"))
             (file-name (string-append name "-" version ".tar.gz"))
             (sha256
              (base32
               "1rgaixwnxmrq2aq4kcdvs0yx7i6krakarya9vqs7qwsv5hzc32hc"))))
    (inputs `(("zip" ,zip)
             ("autoconf" ,autoconf)
             ("automake" ,automake)
             ("ruby" ,ruby)
             ("libtool" ,libtool)
             ("opencl-headers" ,opencl-headers)
             ("libgcrypt" ,libgcrypt)))                                              
    (build-system gnu-build-system)
     (arguments
     '(#:phases (modify-phases %standard-phases
                    (add-after 'unpack `bootstrap
                      (lambda _
                        (zero? (system* "autoreconf" "-vfi")))))))    
    (home-page "https://forge.imag.fr/projects/ocl-icd/")
    (synopsis "OpenCL implementations are provided as ICD (Installable Client Driver).")
    (description "OpenCL implementations are provided as ICD (Installable Client Driver).
    An OpenCL program can use several ICD thanks to the use of an ICD Loader as provided by this project.
    This free ICD Loader can load any (free or non free) ICD")
    (license (list license:gpl2 
                   license:ruby))))
                   
(define-public llvm
  (package
    (name "llvm")
    (version "3.6.2")
    (source
     (origin
      (method url-fetch)
      (uri (string-append "http://llvm.org/releases/"
                          version "/llvm-" version ".src.tar.xz"))
      (sha256
       (base32
        "153vcvj8gvgwakzr4j0kndc0b7wn91c2g1vy2vg24s6spxcc23gn"))))
    (build-system cmake-build-system)
    (native-inputs
     `(("python" ,python-wrapper)
       ("perl"   ,perl)))
    (arguments
     `(#:configure-flags '("-DCMAKE_SKIP_BUILD_RPATH=FALSE"
                           "-DCMAKE_BUILD_WITH_INSTALL_RPATH=FALSE")))
    (home-page "http://www.llvm.org")
    (synopsis "Optimizing compiler infrastructure")
    (description
     "LLVM is a compiler infrastructure designed for compile-time, link-time,
runtime, and idle-time optimization of programs from arbitrary programming
languages.  It currently supports compilation of C and C++ programs, using
front-ends derived from GCC 4.0.1.  A new front-end for the C family of
languages is in development.  The compiler infrastructure includes mirror sets
of programming tools as well as libraries with equivalent functionality.")
    (license (list license:ncsa))))

(define (clang-runtime-from-llvm llvm hash)
  (package
    (name "clang-runtime")
    (version (package-version llvm))
    (source
     (origin
       (method url-fetch)
       (uri (string-append "http://llvm.org/releases/"
                           version "/compiler-rt-" version ".src.tar.xz"))
       (sha256 (base32 hash))))
    (build-system cmake-build-system)
    (native-inputs (package-native-inputs llvm))
    (inputs
     `(("llvm" ,llvm)))
    (arguments
     `(;; Don't use '-g' during the build to save space.
       #:build-type "Release"
       #:tests? #f))

    (home-page "http://compiler-rt.llvm.org")
    (synopsis "Runtime library for Clang/LLVM")
    (description
     "The \"clang-runtime\" library provides the implementations of run-time
functions for C and C++ programs.  It also provides header files that allow C
and C++ source code to interface with the \"sanitization\" passes of the clang
compiler.  In LLVM this library is called \"compiler-rt\".")
    (license (list license:ncsa))

    ;; <http://compiler-rt.llvm.org/> doesn't list MIPS as supported.
    (supported-systems (delete "mips64el-linux" %supported-systems))))

(define (clang-from-llvm llvm clang-runtime hash)
  (package
    (name "clang")
    (version (package-version llvm))
    (source
     (origin
       (method url-fetch)
       (uri (string-append "http://llvm.org/releases/"
                           version "/cfe-" version ".src.tar.xz"))
       (sha256 (base32 hash))))
    ;; Using cmake allows us to treat llvm as an external library.  There
    ;; doesn't seem to be any way to do this with clang's autotools-based
    ;; build system.
    (build-system cmake-build-system)
    (native-inputs (package-native-inputs llvm))
    (inputs
     `(("libxml2" ,libxml2)
       ("gcc-lib" ,gcc "lib")
       ,@(package-inputs llvm)))
    (propagated-inputs
     `(("llvm" ,llvm)
       ("clang-runtime" ,clang-runtime)))
    (arguments
     `(#:configure-flags
       (list "-DCLANG_INCLUDE_TESTS=True"

             ;; Find libgcc_s, crtbegin.o, and crtend.o.
             (string-append "-DGCC_INSTALL_PREFIX="
                            (assoc-ref %build-inputs "gcc-lib"))

             ;; Use a sane default include directory.
             (string-append "-DC_INCLUDE_DIRS="
                            (assoc-ref %build-inputs "libc")
                            "/include"))

       ;; Don't use '-g' during the build to save space.
       #:build-type "Release"

       #:phases (modify-phases %standard-phases
                  (add-after
                   'unpack 'set-glibc-file-names
                   (lambda* (#:key inputs #:allow-other-keys)
                     (let ((libc (assoc-ref inputs "libc"))
                           (compiler-rt (assoc-ref inputs "clang-runtime")))
                       (substitute* "lib/Driver/Tools.cpp"
                         ;; Patch the 'getLinuxDynamicLinker' function to that
                         ;; it uses the right dynamic linker file name.
                         (("/lib64/ld-linux-x86-64.so.2")
                          (string-append libc
                                         ,(glibc-dynamic-linker)))

                         ;; Link to libclang_rt files from clang-runtime.
                         (("TC\\.getDriver\\(\\)\\.ResourceDir")
                          (string-append "\"" compiler-rt "\"")))))))))

    ;; Clang supports the same environment variables as GCC.
    (native-search-paths
     (list (search-path-specification
            (variable "CPATH")
            (files '("include")))
           (search-path-specification
            (variable "LIBRARY_PATH")
            (files '("lib" "lib64")))))

    (home-page "http://clang.llvm.org")
    (synopsis "C language family frontend for LLVM")
    (description
     "Clang is a compiler front end for the C, C++, Objective-C and
Objective-C++ programming languages.  It uses LLVM as its back end.  The Clang
project includes the Clang front end, the Clang static analyzer, and several
code analysis tools.")
    (license (list license:ncsa))))

(define-public clang-runtime
  (clang-runtime-from-llvm
   llvm
   "11qx8d3pbfqjaj2x207pvlvzihbs1z2xbw4crpz7aid6h1yz6bqg"))

(define-public clang
  (clang-from-llvm llvm clang-runtime
                   "1wwr8s6lzr324hv4s1k6na4j5zv6n9kdhi14s4kb9b13d93814df"))
    
(define-public llvm-3.8
  (package (inherit llvm)
    (version "3.8.0")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "http://llvm.org/releases/"
                           version "/llvm-" version ".src.tar.xz"))
       (sha256
        (base32
         "0ikfq0gxac8xpvxj23l4hk8f12ydx48fljgrz1gl9xp0ks704nsm"))))
    (native-inputs
     `(("python" ,python-wrapper)
       ("perl"   ,perl)
       ("libffi" ,libffi)
       ("zlib" ,zlib)))
    (arguments
     `(#:configure-flags '("-DCMAKE_SKIP_BUILD_RPATH=FALSE"
                           "-DCMAKE_BUILD_WITH_INSTALL_RPATH=FALSE"
                           "-DLLVM_ENABLE_PIC=ON"
                           ;"-DLLVM_ENABLE_RTTI=ON"
                           "-DLLVM_ENABLE_WERROR=OFF"
                           ;;"-DLLVM_REQUIRES_RTTI=ON"
                           )))))

(define-public clang-runtime-3.8
  (clang-runtime-from-llvm
   llvm-3.8
   "1c2nkp9563873ffz22qmhc0wakgj428pch8rmhym8agjamz3ily8"))

(define-public clang-3.8
  (clang-from-llvm llvm-3.8 clang-runtime-3.8
                   "1ybcac8hlr9vl3wg8s4v6cp0c0qgqnwprsv85lihbkq3vqv94504"))