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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2021 Liliana Marie Prikler <liliana.prikler@gmail.com>
;;; Copyright © 2021 Sarah Morgensen <iskarian@mgsn.dev>
;;;
;;; 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 zig)
#:use-module (guix packages)
#:use-module (guix git-download)
#:use-module ((guix licenses) #:prefix license:)
#:use-module (guix build-system cmake)
#:use-module (gnu packages)
#:use-module (gnu packages llvm))
(define-public zig
(package
(name "zig")
(version "0.8.1")
(source
(origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/ziglang/zig.git")
(commit version)))
(file-name (git-file-name name version))
(sha256
(base32 "147qx7xgj0r353wh5ragzn6kmm1vrf31i8038z3zqwjnqqgqxi6c"))
(patches
(search-patches
"zig-disable-libc-note-test.patch"
"zig-use-system-paths.patch"))))
(build-system cmake-build-system)
(inputs
`(("clang" ,clang-12) ; Clang propagates llvm.
("lld" ,lld)))
;; Zig compiles fine with GCC, but also needs native LLVM libraries.
(native-inputs
`(("llvm" ,llvm-12)))
(arguments
`(#:configure-flags
(list ,@(if (%current-target-system)
(string-append "-DZIG_TARGET_TRIPLE="
(%current-target-system))
'()))
#:out-of-source? #f ; for tests
#:phases
(modify-phases %standard-phases
(add-after 'configure 'set-cache-dir
(lambda _
;; Set cache dir, otherwise Zig looks for `$HOME/.cache'.
(setenv "ZIG_GLOBAL_CACHE_DIR"
(string-append (getcwd) "/zig-cache"))))
(delete 'check)
(add-after 'install 'check
(lambda* (#:key outputs tests? #:allow-other-keys)
(when tests?
(invoke (string-append (assoc-ref outputs "out") "/bin/zig")
;; Testing the standard library takes >7.5GB RAM, and
;; will fail if it is OOM-killed. The 'test-toolchain'
;; target skips standard library and doc tests.
"build" "test-toolchain"
;; Stage 2 is experimental, not what we run with `zig',
;; and stage 2 tests require a lot of RAM.
"-Dskip-stage2-tests"
;; Non-native tests try to link and execute non-native
;; binaries.
"-Dskip-non-native")))))))
(native-search-paths
(list
(search-path-specification
(variable "C_INCLUDE_PATH")
(files '("include")))
(search-path-specification
(variable "CPLUS_INCLUDE_PATH")
(files '("include/c++" "include")))
(search-path-specification
(variable "LIBRARY_PATH")
(files '("lib" "lib64")))))
(synopsis "General purpose programming language and toolchain")
(description "Zig is a general-purpose programming language and
toolchain. Among other features it provides
@itemize
@item an Optional type instead of null pointers,
@item manual memory management,
@item generic data structures and functions,
@item compile-time reflection and compile-time code execution,
@item integration with C using zig as a C compiler, and
@item concurrency via async functions.
@end itemize")
(home-page "https://github.com/ziglang/zig")
(license license:expat)))
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