;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2023 Zhu Zihao <all_but_last@163.com>
;;; Copyright © 2023 Efraim Flashner <efraim@flashner.co.il>
;;;
;;; 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 mold)
#:use-module (guix gexp)
#:use-module (guix packages)
#:use-module (guix utils)
#:use-module (guix git-download)
#:use-module (guix build-system cmake)
#:use-module (guix build-system trivial)
#:use-module (gnu packages base)
#:use-module (gnu packages c)
#:use-module (gnu packages digest)
#:use-module (gnu packages tbb)
#:use-module (gnu packages tls)
#:use-module (gnu packages compression)
#:use-module ((guix licenses) #:prefix license:))
(define-public mold
(package
(name "mold")
(version "2.33.0")
(source
(origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/rui314/mold")
(commit (string-append "v" version))))
(file-name (git-file-name name version))
(sha256
(base32 "0wsb0aiqia3jfc9k3h2d446y0mzmaq6rz9xkjf9125npdygm7kpb"))
(modules '((guix build utils)))
(snippet
#~(begin
(for-each
(lambda (x)
(delete-file-recursively (string-append "third-party/" x)))
'("mimalloc" "tbb" "xxhash" "zlib" "zstd"))))))
(build-system cmake-build-system)
(arguments
(list
#:configure-flags #~(list "-DMOLD_USE_SYSTEM_MIMALLOC=ON"
"-DMOLD_USE_SYSTEM_TBB=ON"
"-DBUILD_TESTING=ON")
#:phases
#~(modify-phases %standard-phases
(add-before 'configure 'force-system-xxhash
(lambda _
(substitute* "common/common.h"
(("#include \"../third-party/xxhash/xxhash.h\"")
"#include <xxhash.h>"))))
(add-before 'configure 'fix-compiler-name-in-test
(lambda _
(substitute* "test/elf/common.inc"
(("CC=\"\\$\\{TEST_CC:-cc\\}\"") "CC=gcc")
(("CXX=\"\\$\\{TEST_CXX:-c\\+\\+\\}\"")
"CXX=g++"))))
(add-before 'configure 'skip-tbb-lto-test
(lambda _
;; This test needs tbb 2021.9.0 or newer
(delete-file "test/elf/lto-version-script.sh")))
(add-before 'configure 'disable-rpath-test
(lambda _
;; This test fails because mold expect the RUNPATH as-is,
;; but compiler in Guix will insert the path of gcc-lib and
;; glibc into the output binary.
(delete-file "test/elf/rpath.sh"))))))
(inputs (list mimalloc tbb xxhash zlib `(,zstd "lib")))
(home-page "https://github.com/rui314/mold")
(synopsis "Fast linker")
(description
"Mold is a faster drop-in replacement for existing linkers.
It is designed to increase developer productivity by reducing build time,
especially in rapid debug-edit-rebuild cycles.")
(license license:agpl3)))
(define* (make-mold-wrapper mold #:key mold-as-ld?)
"Return a MOLD wrapper. When MOLD-AS-LD? is true, create a 'ld' symlink that
points to 'mold'."
(package
(inherit mold)
(name (if mold-as-ld? "mold-as-ld-wrapper" "mold-wrapper"))
(source #f)
(native-inputs '())
(inputs (list (make-ld-wrapper "ld.mold-wrapper" #:binutils mold
#:linker "ld.mold")
(make-ld-wrapper "mold-wrapper" #:binutils mold #:linker
"mold")))
(propagated-inputs '())
(build-system trivial-build-system)
(arguments
(list #:builder
#~(let ((ld.mold (string-append #$(this-package-input
"ld.mold-wrapper")
"/bin/ld.mold"))
(mold (string-append #$(this-package-input "mold-wrapper")
"/bin/mold")))
(mkdir #$output)
(mkdir (string-append #$output "/bin"))
(symlink ld.mold (string-append #$output "/bin/ld.mold"))
(symlink mold (string-append #$output "/bin/mold"))
(when #$mold-as-ld?
(symlink ld.mold (string-append #$output "/bin/ld"))))))
(synopsis "Mold linker wrapper")
(description "This is a linker wrapper for Mold; like @code{ld-wrapper}, it
wraps the linker to add any missing @code{-rpath} flags, and to detect any
misuse of libraries outside of the store.")))
(define-public mold-wrapper
(make-mold-wrapper mold))
(define-public mold-as-ld-wrapper
(make-mold-wrapper mold #:mold-as-ld? #t))
