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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 David Craven <david@craven.ch>
;;;
;;; 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 (gnu packages base)
#:use-module (gnu packages bootstrap)
#:use-module (gnu packages compression)
#:use-module (gnu packages elf)
#:use-module (gnu packages gcc)
#:use-module (guix build-system gnu)
#:use-module (guix build-system trivial)
#:use-module (guix download)
#:use-module ((guix licenses) #:prefix license:)
#:use-module (guix packages)
#:use-module (ice-9 match)
#:use-module (srfi srfi-26))
;; Should be one less than the current released version.
(define %rust-bootstrap-binaries-version "1.12.1")
(define %rust-bootstrap-binaries
(origin
(method url-fetch)
(uri (string-append
"https://static.rust-lang.org/dist/"
"rust-" %rust-bootstrap-binaries-version
"-i686-unknown-linux-gnu.tar.gz"))
(sha256
(base32
"1cvbx7bbhbn3w6pn64rp9fdp2n17rwzxgsnifncw5nqx9p8vksgd"))))
(define (increment-rust-version rust-version major patch)
(match (string-split rust-version #\.)
(("1" minor _)
(string-append (number->string major) "."
(number->string (+ (string->number minor) 1)) "."
(number->string patch)))))
(define* (cargo-version rustc-version #:optional (patch 0))
;; Computes the cargo version that matches the rustc version.
;; https://github.com/rust-lang/cargo#Releases
(increment-rust-version rustc-version 0 patch))
(define* (rustc-version bootstrap-version #:optional (patch 0))
;; Computes the rustc version that can be compiled from a given
;; other rustc version. The patch argument is for selecting
;; a stability or security fix. 1.11.0 -> 1.12.1 -> 1.13.0
(increment-rust-version bootstrap-version 1 patch))
(define rustc-bootstrap
(package
(name "rustc-bootstrap")
(version %rust-bootstrap-binaries-version)
(source %rust-bootstrap-binaries)
(build-system gnu-build-system)
(native-inputs
`(("patchelf" ,patchelf)))
(inputs
`(("gcc:lib" ,(canonical-package gcc) "lib")
("zlib" ,zlib)))
(arguments
`(#:tests? #f
#:strip-binaries? #f
#:system "i686-linux"
#:phases
(modify-phases %standard-phases
(delete 'configure)
(delete 'build)
(replace 'install
(lambda* (#:key inputs outputs #:allow-other-keys)
(let* ((out (assoc-ref outputs "out"))
(gcc:lib (assoc-ref inputs "gcc:lib"))
(libc (assoc-ref inputs "libc"))
(zlib (assoc-ref inputs "zlib"))
(ld-so (string-append libc
,(glibc-dynamic-linker "i686-linux")))
(rpath (string-append out "/lib:" zlib "/lib:"
libc "/lib:" gcc:lib "/lib"))
(rustc (string-append out "/bin/rustc"))
(rustdoc (string-append out "/bin/rustdoc")))
(system* "bash" "install.sh"
(string-append "--prefix=" out)
(string-append "--components=rustc,"
"rust-std-i686-unknown-linux-gnu"))
(for-each (lambda (file)
(system* "patchelf" "--set-rpath" rpath file))
(cons* rustc rustdoc (find-files out "\\.so$")))
(for-each (lambda (file)
(system* "patchelf" "--set-interpreter" ld-so file))
(list rustc rustdoc))))))))
(supported-systems '("i686-linux" "x86_64-linux"))
(home-page "https://www.rust-lang.org")
(synopsis "Prebuilt rust compiler")
(description "This package provides a pre-built @command{rustc} compiler,
which can in turn be used to build the final Rust compiler.")
(license license:asl2.0)))
;; FIXME: Make private once cargo is packaged. Is currently used by the
;; cargo-build-system.
(define-public cargo-bootstrap
(package
(name "cargo-bootstrap")
(version (cargo-version %rust-bootstrap-binaries-version))
(source %rust-bootstrap-binaries)
(build-system gnu-build-system)
(native-inputs
`(("patchelf" ,patchelf)))
(inputs
`(("gcc:lib" ,(canonical-package gcc) "lib")))
(arguments
`(#:tests? #f
#:strip-binaries? #f
#:system "i686-linux"
#:phases
(modify-phases %standard-phases
(delete 'configure)
(delete 'build)
(replace 'install
(lambda* (#:key inputs outputs #:allow-other-keys)
(let* ((out (assoc-ref outputs "out"))
(gcc:lib (assoc-ref inputs "gcc:lib"))
(libc (assoc-ref inputs "libc"))
(ld-so (string-append libc
,(glibc-dynamic-linker "i686-linux")))
(rpath (string-append out "/lib:" libc "/lib:"
gcc:lib "/lib"))
(cargo (string-append out "/bin/cargo")))
(system* "bash" "install.sh"
(string-append "--prefix=" out)
"--components=cargo")
(system* "patchelf"
"--set-interpreter" ld-so
"--set-rpath" rpath
cargo)))))))
(supported-systems '("i686-linux" "x86_64-linux"))
(home-page "https://www.rust-lang.org")
(synopsis "Prebuilt cargo package manager")
(description "This package provides a pre-built @command{cargo} package
manager, which is required to build itself.")
(license license:asl2.0)))
(define rust-bootstrap
(package
(name "rust-bootstrap")
(version %rust-bootstrap-binaries-version)
(source #f)
(build-system trivial-build-system)
(propagated-inputs
`(("rustc-bootstrap" ,rustc-bootstrap)
("cargo-bootstrap" ,cargo-bootstrap)
("gcc" ,(canonical-package gcc))))
(arguments
`(#:modules ((guix build utils))
#:builder
(begin
(use-modules (guix build utils))
(let ((out (assoc-ref %outputs "out"))
(gcc (assoc-ref %build-inputs "gcc")))
(mkdir-p (string-append out "/bin"))
;; Rust requires a C toolchain for linking. The prebuilt
;; binaries expect a compiler called cc. Thus symlink gcc
;; to cc.
(symlink (string-append gcc "/bin/gcc")
(string-append out "/bin/cc"))))))
(home-page "https://www.rust-lang.org")
(synopsis "Rust bootstrapping meta package")
(description "Meta package for a rust environment. Provides pre-compiled
rustc-bootstrap and cargo-bootstrap packages.")
(license license:asl2.0)))
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