gnu: Add mold.

* gnu/local.mk (GNU_SYSTEM_MODULES): Add new file.
* gnu/packages/mold.scm: New file.
* gnu/packages/mold.scm (mold): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

2 files changed, 84 insertions, 0 deletions

diff --git a/gnu/local.mk b/gnu/local.mk
index 15cf5f74a9..bc0bc37777 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -425,6 +425,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/mingw.scm			\
   %D%/packages/microcom.scm			\
   %D%/packages/moe.scm				\
+  %D%/packages/mold.scm				\
   %D%/packages/motti.scm			\
   %D%/packages/monitoring.scm			\
   %D%/packages/moreutils.scm			\
diff --git a/gnu/packages/mold.scm b/gnu/packages/mold.scm
new file mode 100644
index 0000000000..5f2b75625e
--- /dev/null
+++ b/gnu/packages/mold.scm
@@ -0,0 +1,83 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2023 Zhu Zihao <all_but_last@163.com>
+;;;
+;;; 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 (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 "1.9.0")
+    (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 "03qkl9qw5l5kg1awij40hcrfxq6jj70mvq4iscdy9dsn8qw8r3wb"))
+       (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")
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-before 'configure 'force-system-xxhash
+            (lambda _
+              (substitute* "mold.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 '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 openssl 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)))