gnu: Add LDC.

* gnu/packages/ldc.scm: New file.
* gnu/packages/patches/ldc-disable-tests.patch: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add ldc.scm.
  (dist_patch_DATA): Add patch file.

2 files changed, 208 insertions, 0 deletions

diff --git a/gnu/packages/ldc.scm b/gnu/packages/ldc.scm
new file mode 100644
index 0000000000..06040a2b92
--- /dev/null
+++ b/gnu/packages/ldc.scm
@@ -0,0 +1,118 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2015 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 (gnu packages ldc)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system cmake)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages libedit)
+  #:use-module (gnu packages llvm)
+  #:use-module (gnu packages textutils)
+  #:use-module (gnu packages zip))
+
+(define-public ldc
+  (package
+    (name "ldc")
+    (version "0.16.1")
+    (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
+                "1jvilxx0rpqmkbja4m69fhd5g09697xq7vyqp2hz4hvxmmmv4j40"))))
+    (build-system cmake-build-system)
+    ;; LDC currently only supports the x86_64 and i686 architectures.
+    (supported-systems '("x86_64-linux" "i686-linux"))
+    (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)))))
+    (inputs
+     `(("libconfig" ,libconfig)
+       ("libedit" ,libedit)
+       ("tzdata" ,tzdata)))
+    (native-inputs
+     `(("llvm" ,llvm)
+       ("clang" ,clang)
+       ("unzip" ,unzip)
+       ("phobos-src"
+        ,(origin
+           (method url-fetch)
+           (uri (string-append
+                 "https://github.com/ldc-developers/phobos/archive/ldc-v"
+                 version ".tar.gz"))
+           (sha256
+            (base32
+             "0sgdj0536c4nb118yiw1f8lqy5d3g3lpg9l99l165lk9xy45l9z4"))
+           (patches (list (search-patch "ldc-disable-tests.patch")))))
+       ("druntime-src"
+        ,(origin
+           (method url-fetch)
+           (uri (string-append
+                 "https://github.com/ldc-developers/druntime/archive/ldc-v"
+                 version ".tar.gz"))
+           (sha256
+            (base32
+             "0z4mkyddx6c4sy1vqgqvavz55083dsxws681qkh93jh1rpby9yg6"))))
+       ("dmd-testsuite-src"
+        ,(origin
+           (method url-fetch)
+           (uri (string-append
+                 "https://github.com/ldc-developers/dmd-testsuite/archive/ldc-v"
+                 version ".tar.gz"))
+           (sha256
+            (base32
+             "0yc6miidzgl9k33ygk7xcppmfd6kivqj02cvv4fmkbs3qz4yy3z1"))))))
+    (home-page "http://wiki.dlang.org/LDC")
+    (synopsis "LLVM compiler for the D programming language")
+    (description
+     "LDC is a compiler for the D programming language.  It is based on the
+latest DMD frontend and uses LLVM as backend.")
+    ;; Most of the code is released under BSD-3, except for code originally
+    ;; written for GDC, which is released under GPLv2+, and the DMD frontend,
+    ;; which is released under the "Boost Software License version 1.0".
+    (license (list license:bsd-3
+                   license:gpl2+
+                   license:x11-style "http://www.boost.org/LICENSE_1_0.txt"))))
diff --git a/gnu/packages/patches/ldc-disable-tests.patch b/gnu/packages/patches/ldc-disable-tests.patch
new file mode 100644
index 0000000000..3f5e6c29a1
--- /dev/null
+++ b/gnu/packages/patches/ldc-disable-tests.patch
@@ -0,0 +1,90 @@
+This patch fixes a failing unit test by feeding buildNormalizedPath to the
+tzdata properly.  Three other tests are disabled, one assumes /root and the
+two others use networking.  Not bad out of almost 700 tests!
+
+by Pjotr Prins <pjotr.guix@thebird.nl>
+
+diff --git a/std/datetime.d b/std/datetime.d
+index 8e4ed3b..6c15bc5 100644
+--- a/std/datetime.d
++++ b/std/datetime.d
+@@ -28018,6 +28018,7 @@ public:
+             The default directory where the TZ Database files are. It's empty
+             for Windows, since Windows doesn't have them.
+           +/
++          
+         enum defaultTZDatabaseDir = "/usr/share/zoneinfo/";
+     }
+     else version(Windows)
+@@ -28069,14 +28070,13 @@ assert(tz.dstName == "PDT");
+         import std.range : retro;
+         import std.format : format;
+ 
+-        name = strip(name);
+-
+         enforce(tzDatabaseDir.exists(), new DateTimeException(format("Directory %s does not exist.", tzDatabaseDir)));
+         enforce(tzDatabaseDir.isDir, new DateTimeException(format("%s is not a directory.", tzDatabaseDir)));
+ 
+-        immutable file = buildNormalizedPath(tzDatabaseDir, name);
++        auto filename = "./" ~ strip(name); // make sure the prefix is not stripped
++        immutable file = buildNormalizedPath(tzDatabaseDir, filename);
+ 
+-        enforce(file.exists(), new DateTimeException(format("File %s does not exist.", file)));
++        enforce(file.exists(), new DateTimeException(format("File %s does not exist in %s.", file, tzDatabaseDir)));
+         enforce(file.isFile, new DateTimeException(format("%s is not a file.", file)));
+ 
+         auto tzFile = File(file);
+diff --git a/std/path.d b/std/path.d
+index 254d8f0..b0fc04d 100644
+--- a/std/path.d
++++ b/std/path.d
+@@ -3080,8 +3080,11 @@ unittest
+         }
+         else
+         {
++            pragma(msg, "test disabled on GNU Guix");
++/*
+             assert(expandTilde("~root") == "/root", expandTilde("~root"));
+             assert(expandTilde("~root/") == "/root/", expandTilde("~root/"));
++*/
+         }
+         assert(expandTilde("~Idontexist/hey") == "~Idontexist/hey");
+     }
+diff --git a/std/socket.d b/std/socket.d
+index b85d1c9..7fbf346 100644
+--- a/std/socket.d
++++ b/std/socket.d
+@@ -517,6 +517,8 @@ class Protocol
+ 
+ unittest
+ {
++    pragma(msg, "test disabled on GNU Guix");
++/*
+     // getprotobyname,number are unimplemented on Android
+     softUnittest({
+         Protocol proto = new Protocol;
+@@ -530,6 +532,7 @@ unittest
+         assert(proto.name == "tcp");
+         assert(proto.aliases.length == 1 && proto.aliases[0] == "TCP");
+     });
++*/
+ }
+ 
+ 
+@@ -859,6 +862,8 @@ class InternetHost
+ 
+ unittest
+ {
++    pragma(msg, "test disabled on GNU Guix");
++    /*
+     InternetHost ih = new InternetHost;
+ 
+     ih.getHostByAddr(0x7F_00_00_01);
+@@ -889,6 +894,7 @@ unittest
+         //      writefln("aliases[%d] = %s", i, s);
+         // }
+     });
++    */
+ }
+ 
+