gnu: Add cctools.

* gnu/packages/darwin.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
* gnu/packages/darwin.scm (cctools): New variable.

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

2 files changed, 108 insertions, 0 deletions

diff --git a/gnu/local.mk b/gnu/local.mk
index 8044c9010b..197c8679eb 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -182,6 +182,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/cvassistant.scm			\
   %D%/packages/cybersecurity.scm		\
   %D%/packages/cyrus-sasl.scm			\
+  %D%/packages/darwin.scm			\
   %D%/packages/databases.scm			\
   %D%/packages/datamash.scm			\
   %D%/packages/datastructures.scm		\
diff --git a/gnu/packages/darwin.scm b/gnu/packages/darwin.scm
new file mode 100644
index 0000000000..88990d0404
--- /dev/null
+++ b/gnu/packages/darwin.scm
@@ -0,0 +1,107 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2022 Philip McGrath <philip@philipmcgrath.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 darwin)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages autotools)
+  #:use-module (gnu packages gnustep)
+  #:use-module (gnu packages llvm)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix gexp)
+  #:use-module (guix git-download)
+  #:use-module (guix packages)
+  #:use-module (guix utils)
+  #:use-module ((guix licenses) #:prefix license:))
+
+(define-public cctools
+  (let ((cctools-version "973.0.1")
+        (ld64-version "609")
+        (revision "0")
+        (commit "04663295d0425abfac90a42440a7ec02d7155fea"))
+    (package
+      (name "cctools")
+      (version (git-version (string-append cctools-version
+                                           "-ld64-"
+                                           ld64-version)
+                            revision
+                            commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/tpoechtrager/cctools-port")
+               (commit commit)))
+         (sha256
+          (base32 "0vihfa8y64vvd3pxy8qh4mhcnzinxh9flpz9dvw4wch4zj2nnfjs"))
+         (file-name (git-file-name name version))
+         (snippet
+          #~(begin
+              (use-modules (guix build utils))
+              (with-directory-excursion "cctools"
+                ;; use system libobjc2
+                (substitute* "configure.ac"
+                  (("AC_CONFIG_FILES[(]\\[libobjc2/Makefile][)]")
+                   ""))
+                (substitute* "Makefile.am"
+                  (("SUBDIRS=libobjc2 ")
+                   "SUBDIRS="))
+                (substitute* "otool/Makefile.am"
+                  (("\\$[(]top_builddir[)]/libobjc2/libobjc\\.la")
+                   "-lobjc")
+                  (("-I\\$[(]top_srcdir[)]/libobjc2")
+                   ""))
+                ;; delete files
+                (for-each (lambda (pth)
+                            (when (file-exists? pth)
+                              (delete-file-recursively pth)))
+                          `("include/gnu/symseg.h" ;; obsolete
+                            "libobjc2" ;; unbundle
+                            ;; generated files:
+                            "compile"
+                            "config.guess"
+                            "config.sub"
+                            "configure"
+                            "install-sh"
+                            "ltmain.sh"
+                            "missing"
+                            ,@(find-files "." "^Makefile\\.in$"))))))))
+      (inputs (list libobjc2
+                    clang-toolchain))
+      (native-inputs (list libtool
+                           autoconf
+                           automake
+                           clang-toolchain))
+      (build-system gnu-build-system)
+      (arguments
+       (list
+        #:phases
+        #~(modify-phases %standard-phases
+            (add-after 'unpack 'chdir
+              (lambda args
+                (chdir "cctools"))))))
+      (home-page "https://github.com/tpoechtrager/cctools-port")
+      (synopsis "Darwin's @code{cctools} and @code{ld64}")
+      ;; Confusingly enough, the program is called ld64, but the command is
+      ;; just ld (with no symlink), so @command{ld64} would be wrong.
+      (description
+       "Darwin's @code{cctools} are a set of tools somewhat similar in purpose
+to GNU Binutils, but for Mach-O files targeting Darwin.  The suite includes
+@command{install_name_tool}, @command{dyldinfo}, and other specialized tools
+in addition to standard utilities like @command{ld} and @command{as}.  This
+package provides portable versions of the tools.")
+      (license license:apsl2))))