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-rw-r--r--gnu/packages/rust.scm88
1 files changed, 88 insertions, 0 deletions
diff --git a/gnu/packages/rust.scm b/gnu/packages/rust.scm
index d95577e45b..df5d803b6b 100644
--- a/gnu/packages/rust.scm
+++ b/gnu/packages/rust.scm
@@ -6,6 +6,7 @@
;;; Copyright © 2017, 2018 Nikolai Merinov <nikolai.merinov@member.fsf.org>
;;; Copyright © 2017 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2018 Danny Milosavljevic <dannym+a@scratchpost.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -46,6 +47,7 @@
#:use-module (guix build-system gnu)
#:use-module (guix build-system trivial)
#:use-module (guix download)
+ #:use-module (guix git-download)
#:use-module ((guix licenses) #:prefix license:)
#:use-module (guix packages)
#:use-module ((guix build utils) #:select (alist-replace))
@@ -250,6 +252,92 @@ safety and thread safety guarantees.")
(alist-replace "rustc-bootstrap" (list base-rust)
(package-native-inputs base-rust))))))
+(define-public mrustc
+ (let ((commit "1a16def28935548e29be0fe5a632e25c83045924")
+ (revision "0")
+ (rustc-version "1.19.0"))
+ (package
+ (name "mrustc")
+ (version (git-version "0.0.0" revision commit))
+ (source (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/thepowersgang/mrustc.git")
+ (commit commit)))
+ (file-name (git-file-name name version))
+ (sha256
+ (base32
+ "0i5kqnzsd1rkj8qm147jx934nyn9sd1fz2b4achj9z0r00h84dh6"))))
+ (outputs '("out" "cargo"))
+ (build-system gnu-build-system)
+ (inputs
+ `(("llvm" ,llvm-3.9.1)))
+ (native-inputs
+ `(("bison" ,bison)
+ ("flex" ,flex)
+ ;; Required for the libstd sources.
+ ("rustc"
+ ,(rust-source "1.19.0" "0l8c14qsf42rmkqy92ahij4vf356dbyspxcips1aswpvad81y8qm"))))
+ (arguments
+ `(#:tests? #f
+ #:make-flags (list (string-append "LLVM_CONFIG="
+ (assoc-ref %build-inputs "llvm")
+ "/bin/llvm-config"))
+ #:phases
+ (modify-phases %standard-phases
+ (add-after 'unpack 'unpack-target-compiler
+ (lambda* (#:key inputs outputs #:allow-other-keys)
+ (substitute* "minicargo.mk"
+ ;; Don't try to build LLVM.
+ (("^[$][(]LLVM_CONFIG[)]:") "xxx:")
+ ;; Build for the correct target architecture.
+ (("^RUSTC_TARGET := x86_64-unknown-linux-gnu")
+ (string-append "RUSTC_TARGET := "
+ ,(or (%current-target-system)
+ (nix-system->gnu-triplet
+ (%current-system))))))
+ (invoke "tar" "xf" (assoc-ref inputs "rustc"))
+ (chdir "rustc-1.19.0-src")
+ (invoke "patch" "-p0" "../rust_src.patch")
+ (chdir "..")
+ #t))
+ (delete 'configure)
+ (add-after 'build 'build-minicargo
+ (lambda _
+ (for-each (lambda (target)
+ (invoke "make" "-f" "minicargo.mk" target))
+ '("output/libstd.hir" "output/libpanic_unwind.hir"
+ "output/libproc_macro.hir" "output/libtest.hir"))
+ ;; Technically the above already does it - but we want to be clear.
+ (invoke "make" "-C" "tools/minicargo")))
+ (replace 'install
+ (lambda* (#:key inputs outputs #:allow-other-keys)
+ (let* ((out (assoc-ref outputs "out"))
+ (bin (string-append out "/bin"))
+ (tools-bin (string-append out "/tools/bin"))
+ (cargo-out (assoc-ref outputs "cargo"))
+ (cargo-bin (string-append cargo-out "/bin"))
+ (lib (string-append out "/lib"))
+ (lib/rust (string-append lib "/mrust"))
+ (gcc (assoc-ref inputs "gcc")))
+ ;; These files are not reproducible.
+ (for-each delete-file (find-files "output" "\\.txt$"))
+ (mkdir-p lib)
+ (copy-recursively "output" lib/rust)
+ (mkdir-p bin)
+ (mkdir-p tools-bin)
+ (install-file "bin/mrustc" bin)
+ ;; minicargo uses relative paths to resolve mrustc.
+ (install-file "tools/bin/minicargo" tools-bin)
+ (install-file "tools/bin/minicargo" cargo-bin)
+ #t))))))
+ (synopsis "Compiler for the Rust progamming language")
+ (description "Rust is a systems programming language that provides memory
+safety and thread safety guarantees.")
+ (home-page "https://github.com/thepowersgang/mrustc")
+ ;; Dual licensed.
+ (license (list license:asl2.0 license:expat)))))
+
(define-public rust-1.23
(package
(inherit rust-1.19)