[PATCH v2] gnu: Add rust

[Eric Le Bihan]

* gnu/packages/rust.scm(rust): New variable.

Signed-off-by: Eric Le Bihan <address@hidden>
---
 gnu/packages/rust.scm | 143 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 gnu/packages/rust.scm

diff --git a/gnu/packages/rust.scm b/gnu/packages/rust.scm
new file mode 100644
index 0000000..7f2edb8
--- /dev/null
+++ b/gnu/packages/rust.scm
@@ -0,0 +1,143 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016 Eric Le Bihan <address@hidden>
+;;;
+;;; 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 rust)
+  #:use-module (ice-9 regex)
+  #:use-module ((guix licenses) #:select (asl2.0 x11-style))
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages bootstrap)
+  #:use-module (gnu packages curl)
+  #:use-module (gnu packages elf)
+  #:use-module (gnu packages gcc)
+  #:use-module (gnu packages jemalloc)
+  #:use-module (gnu packages perl)
+  #:use-module (gnu packages python))
+
+(define rust-bootstrap-x86_64-1.9.0
+  (origin
+   (method url-fetch)
+   (uri
+    
"https://static.rust-lang.org/dist/2016-05-24/rustc-1.9.0-x86_64-unknown-linux-gnu.tar.gz";)
+   (sha256
+    (base32
+     "1i44rlvvn3pr81sli6bdbkzd78ar1ibybxx6mzpw6rkw4c84sw6h"))))
+
+(define rust-bootstrap-i686-1.9.0
+  (origin
+   (method url-fetch)
+   (uri
+    
"https://static.rust-lang.org/dist/2016-05-24/rustc-1.9.0-i686-unknown-linux-gnu.tar.gz";)
+   (sha256
+    (base32
+     "0fdf5xvh3g4hdza0y80w1r9vnfczjqnbzbvs7k878yc26p4dwl99"))))
+
+(define-public rust
+  (package
+   (name "rust")
+   (version "1.10.0")
+   (source (origin
+            (method url-fetch)
+            (uri (string-append "https://static.rust-lang.org/dist/rustc-";
+                                version "-src.tar.gz"))
+            (sha256
+             (base32
+              "0sb82xb8y2pzs8l1hk91z228bambwx3dmi2kj8isin7nyjn5l0d4"))))
+   (build-system gnu-build-system)
+   (native-inputs
+    `(("curl" ,curl)
+      ("gcc" ,gcc)
+      ("gcc-lib" ,gcc "lib")
+      ("jemalloc" ,jemalloc)
+      ("patchelf" ,patchelf)
+      ("perl" ,perl)
+      ("python" ,python-2)
+      ("rust-bootstrap"
+       ,(if (string-match "x86_64"
+                          (or (%current-target-system) (%current-system)))
+            rust-bootstrap-x86_64-1.9.0
+            rust-bootstrap-i686-1.9.0))
+      ("which" ,which)))
+   (arguments
+    `(#:phases
+      (modify-phases %standard-phases
+        (add-after 'unpack 'unpack-bootstrap
+                   (lambda* (#:key inputs #:allow-other-keys)
+                     (with-directory-excursion (getcwd)
+                       (zero? (system*
+                               "tar"
+                               "--strip-components=1"
+                               "-xzf"
+                               (assoc-ref inputs "rust-bootstrap"))))))
+        (replace 'configure
+                 (lambda* (#:key inputs outputs #:allow-other-keys)
+                   (let ((out (assoc-ref outputs "out"))
+                         (binutils (assoc-ref inputs "binutils"))
+                         (gcc (assoc-ref inputs "gcc"))
+                         (gcc-lib (assoc-ref inputs "gcc-lib"))
+                         (jemalloc (assoc-ref inputs "jemalloc"))
+                         (ld-so (string-append
+                                 (assoc-ref inputs "libc")
+                                 ,(glibc-dynamic-linker)))
+                         (python (assoc-ref inputs "python")))
+                     (setenv "SHELL" (which "sh"))
+                     (setenv "CONFIG_SHELL" (which "sh"))
+                     ;; Tell where to find libgcc_s.so
+                     (setenv "LD_LIBRARY_PATH" (string-append gcc-lib "/lib"))
+                     ;; Remove reference to "/lib64/ld-linux-x86-64.so.2" from 
binary
+                     (zero? (system*
+                             "patchelf"
+                             "--set-interpreter" ld-so
+                             "rustc/bin/rustc"))
+                     (zero? (system*
+                             "./configure"
+                             (string-append "--prefix=" out)
+                             (string-append "--default-linker=" gcc "/bin/gcc")
+                             (string-append "--default-ar=" binutils "/bin/ar")
+                             (string-append "--jemalloc-root=" jemalloc "/lib")
+                             (string-append "--enable-rpath")
+                             (string-append "--enable-local-rust")
+                             (string-append "--local-rust-root=" (getcwd) 
"/rustc")
+                             (string-append "--python=" python "/bin/python2")
+                             "--disable-manage-submodules")))))
+        (add-before 'build 'create-linker-wrapper
+                    (lambda _
+                      (let* ((bindir (string-append (getcwd) "/bin"))
+                             (cc (string-append bindir "/cc")))
+                        (mkdir bindir)
+                        (call-with-output-file cc
+                          (lambda (port)
+                            (format port
+                                    "#!~a\n\nexec gcc \"address@hidden"\n" 
(which "sh"))))
+                        (chmod cc #o755))))
+        (add-before 'build 'change-PATH
+                    (lambda _
+                      (setenv "PATH"
+                              (string-append (getcwd)
+                                             "/bin:"
+                                             (getenv "PATH"))))))
+      ;; Disable tests which can only be run from Git repository
+      #:tests? #f))
+   (synopsis "Compiler for the Rust progamming language")
+   (description
+    "Rust is a systems programming language that runs blazingly fast, prevents
+segfaults, and guarantees thread safety.")
+   (home-page "https://www.rust-lang.org";)
+   (license (list asl2.0 (x11-style "file://LICENSE-MIT")))))
-- 
2.4.11