;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015, 2016 Roel Janssen <roel@gnu.org>
;;; Copyright © 2015 Pjotr Prins <pjotr.guix@thebird.nl>
;;;
;;; 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 ldc)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system cmake)
  #:use-module (gnu packages)
  #:use-module (gnu packages base)
  #:use-module (gnu packages check)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages gdb)
  #:use-module ((gnu packages dlang) #:prefix ldcmain:)
  #:use-module (gnu packages libedit)
  #:use-module (gnu packages llvm)
  #:use-module (gnu packages python)
  #:use-module (gnu packages textutils)
)

(define-public ldc-0.17.2 ; guix in main line
  (package
    (inherit ldcmain:ldc)
    (name "ldc")
    (version "0.17.2")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://github.com/ldc-developers/ldc/archive/v"
                    version ".tar.gz"))
              (file-name (string-append name "-" version ".tar.gz"))
              (sha256
               (base32
                "0iksl6cvhsiwnlh15b7s9v8f3grxk27jn0vja9n4sad7fvfwmmlc"))))
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'unpack-submodule-sources
           (lambda* (#:key inputs #:allow-other-keys)
             (let ((unpack (lambda (source target)
                             (with-directory-excursion target
                               (zero? (system* "tar" "xvf"
                                               (assoc-ref inputs source)
                                               "--strip-components=1"))))))
               (and (unpack "phobos-src" "runtime/phobos")
                    (unpack "druntime-src" "runtime/druntime")
                    (unpack "dmd-testsuite-src" "tests/d2/dmd-testsuite")))))
         (add-after 'unpack-submodule-sources 'patch-dmd2
           (lambda* (#:key inputs #:allow-other-keys)
             (substitute* "dmd2/root/port.c"
               ((" ::isnan") " isnan")
               ((" ::isinf") " isinf")
               (("#undef isnan") "")
               (("#undef isinf") ""))
             #t))
         (add-after 'unpack-submodule-sources 'patch-phobos
           (lambda* (#:key inputs #:allow-other-keys)
             (substitute* "runtime/phobos/std/process.d"
               (("/bin/sh") (which "sh"))
               (("echo") (which "echo")))
             (substitute* "runtime/phobos/std/datetime.d"
               (("/usr/share/zoneinfo/")
                (string-append (assoc-ref inputs "tzdata") "/share/zoneinfo")))
             (substitute* "tests/d2/dmd-testsuite/Makefile"
               (("/bin/bash") (which "bash")))
             #t)))
       #:tests? #f))
    (native-inputs
     `(("llvm" ,llvm-3.7)
       ("clang" ,clang-3.7)
       ("zlib" ,zlib)
       ("unzip" ,unzip)
       ("phobos-src"
        ,(origin
           (method url-fetch)
           (uri (string-append
                 "https://github.com/ldc-developers/phobos/archive/ldc-v"
                 version ".tar.gz"))
           (file-name (string-append "ldc-phobos-" version ".tar.gz"))
           (sha256
            (base32
             "07hh3ic3r755mq9hn9gfr0wlc5y8cr91xz2ydb6gqy4zy8jgp5s9"))))
       ("druntime-src"
        ,(origin
           (method url-fetch)
           (uri (string-append
                 "https://github.com/ldc-developers/druntime/archive/ldc-v"
                 version ".tar.gz"))
           (file-name (string-append "ldc-druntime-" version ".tar.gz"))
           (sha256
            (base32
             "1m1dhday9dl3s04njmd29z7ism2xn2ksb9qlrwzykdgz27b3dk6x"))))
       ("dmd-testsuite-src"
        ,(origin
           (method url-fetch)
           (uri (string-append
                 "https://github.com/ldc-developers/dmd-testsuite/archive/ldc-v"
                 version ".tar.gz"))
           (file-name (string-append "testsuite-" version ".tar.gz"))
           (sha256
            (base32
             "0n7gvalxwfmia4gag53r9qhcnk2cqrw3n4icj1yri0zkgc27pm60"))))))))


(define-public ldc
  ;; The phobos, druntime and dmd-testsuite dependencies do not have a newer
  ;; release than 1.1.0-beta4, hence the need to make use of the older-version
  ;; variable to hold this variable.
  (let ((beta-version "1.6.0-beta1"))
    (package
      ;; (inherit ldc-bootstrap)
      (inherit ldcmain:ldc)
      (name "ldc")
      (version "1.6.0")
      ;; Beta version needed to compile various scientific tools that require
      ;; the newer beta versions, and won't compile successfully with the
      ;; older stable version.
      (source (origin
                (method url-fetch)
                (uri (string-append
                      "https://github.com/ldc-developers/ldc/archive/v"
                      version ".tar.gz"))
                (file-name (string-append name "-" version ".tar.gz"))
                (sha256
                 (base32
                  "1nm141hbjg197hc5jb95l9zc6wv41f1mz88rci4m6srd14dmv3m6"))))
      (arguments
       `(#:phases
         (modify-phases %standard-phases
           (add-after 'unpack 'unpack-submodule-sources
             (lambda* (#:key inputs #:allow-other-keys)
               (let ((unpack (lambda (source target)
                               (with-directory-excursion target
                                 (zero? (system* "tar" "xvf"
                                                 (assoc-ref inputs source)
                                                 "--strip-components=1"))))))
                 (and (unpack "phobos-src" "runtime/phobos")
                      (unpack "druntime-src" "runtime/druntime")
                      (unpack "dmd-testsuite-src" "tests/d2/dmd-testsuite")))))
           ;; The 'patch-dmd2 step in ldc causes the build to fail since
           ;; dmd2/root/port.c no longer exists.  Arguments needed to have
           ;; 'patch-dmd2 step removed, but retain everything else.

           ;; 99% tests passed, 11 tests failed out of 1589
           (add-after 'unpack-submodule-sources 'patch-phobos
             (lambda* (#:key inputs #:allow-other-keys)
               (substitute* "runtime/phobos/std/process.d"
                 (("/bin/sh") (which "sh"))
                 (("echo") (which "echo")))
               ; disable unittests in these files:
               (substitute* '("runtime/phobos/std/net/curl.d"
                              "runtime/phobos/std/datetime/systime.d"
                              "runtime/phobos/std/datetime/timezone.d"
                              )
                 (("version(unittest)") "version(skipunittest)")
                 ((" unittest") " version(skipunittest) unittest"))
               (substitute* "tests/d2/dmd-testsuite/Makefile"
                 (("/bin/bash") (which "bash")))
               #t)))
           #:make-flags (list "PHOBOS_TEST_ALLOW_NET=0")
           #:tests? #f))
      (native-inputs
       `(("llvm" ,llvm)
         ("clang" ,clang)
         ;; ("ldc" ,ldc-bootstrap)
         ("ldc" ,ldcmain:ldc)
         ("python-lit" ,python-lit)
         ("python-wrapper" ,python-wrapper)
         ("unzip" ,unzip)
         ("gdb" ,gdb)
         ("phobos-src"
          ,(origin
             (method url-fetch)
             (uri (string-append
             ; https://github.com/ldc-developers/phobos/releases/tag/ldc-v1.6.0-beta1
                   "https://github.com/ldc-developers/phobos/archive/ldc-v"
                   beta-version ".tar.gz"))
             (sha256
              (base32
               "00xsc00wjqz5xklps7ca696c83gwlkz5wb68q5cnq5axhshg553n"))
             (patches (search-patches "ldc-disable-tests2.patch"))
             ;; This patch deactivates some tests that depend on network access
             ;; to pass.  It also deactivates some tests that have some reliance
             ;; on timezone.
             ;;
             ;; For the network tests, there's an effort to get a version flag
             ;; added to deactivate these tests for distribution packagers
             ;; that is being pursued at
             ;; <https://forum.dlang.org/post/zmdbdgnzrxyvtpqafvyg@forum.dlang.org>.
             ;; It also deactivates a test that requires /root
             ))
         ("druntime-src"
          ,(origin
             (method url-fetch)
             (uri (string-append
                   "https://github.com/ldc-developers/druntime/archive/ldc-v"
                   version ".tar.gz"))
             (sha256
              (base32
               "09lm4xlzy6wva4c2459r2ghvi3rx223iq5hpvxncjwm1516m8zqp"))))
         ("dmd-testsuite-src"
          ,(origin
             (method url-fetch)
             (uri (string-append
                   "https://github.com/ldc-developers/dmd-testsuite/archive/ldc-v"
                   beta-version ".tar.gz"))
             (sha256
              (base32
               "1k23fgjc44x7m5l7785pfq8gzh4ymzapfjn4h16s7myqwkx71rbi"))
             ;; Remove the gdb tests that fails with a "Error: No such file or
             ;; directory" error, despite the files being present in the debug
             ;; files left with the --keep-failed flag to guix build.
             )))))))

(define-public ldc-beta ldc)

(define-public ldc-1.1.0-patched ; guix in main line w.o. patch
  (let ((version2 "1.1.0")) ; version for libraries
    (package
      (inherit ldcmain:ldc)
      (name "ldc")
      (version "1.1.0-patched") ; version for ldc
      (source (origin
                (method url-fetch)
                (uri (string-append
                      "https://github.com/ldc-developers/ldc/archive/v"
                      version2 ".tar.gz"))
                (file-name (string-append name "-" version ".tar.gz"))
                (sha256
                 (base32
                  "10zkrmx9bcmhfxvgykm3fkjamzc8js96wm032bv0fyil5c9ja2y1"))))
      (arguments
       `(#:phases
         (modify-phases %standard-phases
           (add-after 'unpack 'unpack-submodule-sources
             (lambda* (#:key inputs #:allow-other-keys)
               (let ((unpack (lambda (source target)
                               (with-directory-excursion target
                                 (zero? (system* "tar" "xvf"
                                                 (assoc-ref inputs source)
                                                 "--strip-components=1"))))))
                 (and (unpack "phobos-src" "runtime/phobos")
                      (unpack "druntime-src" "runtime/druntime")
                      (unpack "dmd-testsuite-src" "tests/d2/dmd-testsuite")))))
           (add-after 'unpack-submodule-sources 'patch-phobos
             (lambda* (#:key inputs #:allow-other-keys)
               (substitute* "runtime/phobos/std/process.d"
                 (("/bin/sh") (which "sh"))
                 (("echo") (which "echo")))
               (substitute* "runtime/phobos/std/datetime.d"
                 (("/usr/share/zoneinfo/")
                  (string-append (assoc-ref inputs "tzdata") "/share/zoneinfo")))
               (substitute* "tests/d2/dmd-testsuite/Makefile"
                 (("/bin/bash") (which "bash")))
               #t)))
         #:tests? #f))
      (native-inputs
       `(("llvm" ,llvm-3.7)
         ("ldc" ,ldc-0.17.2)
         ("zlib" ,zlib)
         ("phobos-src"
          ,(origin
             (method url-fetch)
             (uri (string-append
                   "https://github.com/ldc-developers/phobos/archive/ldc-v"
                   version2 ".tar.gz")) ; older version
             (file-name (string-append "ldc-phobos-" version2 ".tar.gz"))
             (sha256
              (base32
               "0z5v55b9s1ppf0c2ivjq7sbmq688c37c92ihc3qwrbxnqvkkvrlk"))))
         ("druntime-src"
          ,(origin
             (method url-fetch)
             (uri (string-append
                   "https://github.com/ldc-developers/druntime/archive/ldc-v"
                   version2 ".tar.gz"))
             (file-name (string-append "ldc-druntime-" version2 ".tar.gz"))
             (patches (search-patches "ldc-druntime-finiTLSRanges.patch"))
             (sha256
              (base32
               "07qvrqj6vgakd6qr4x5f70w6zwkzd1li5x8i1b5ywnds1z5lnfp6"))))
         ("dmd-testsuite-src"
          ,(origin
             (method url-fetch)
             (uri (string-append
                   "https://github.com/ldc-developers/dmd-testsuite/archive/ldc-v"
                   version2 ".tar.gz")) ; version is behind
             (file-name (string-append "dmd-testsuite-" version2 ".tar.gz"))
             (sha256
              (base32
               "12cak7yqmsgjlflx0dp6fwmwb9dac25amgi86n0bb95ard3547wy")))))))))

(define-public ldc-patched ldc-1.1.0-patched)