;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2022 Antero Mejr <antero@mailbox.org>
;;;
;;; 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 hare)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix build-system gnu)
  #:use-module (guix download)
  #:use-module (guix gexp)
  #:use-module (guix git-download)
  #:use-module (guix packages)
  #:use-module (guix utils)
  #:use-module (gnu packages base)
  #:use-module (gnu packages c)
  #:use-module (gnu packages man)
  #:use-module (gnu platform))

(define-public harec
  (let ((commit "43b34048dd83bde5d4d2a7d93d37a593a9c12fda") (revision "0"))
    (package
      (name "harec")
      (version (git-version "0.0" revision commit))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://git.sr.ht/~sircmpwn/harec")
                      (commit commit)))
                (file-name (git-file-name name version))
                (sha256
                 (base32
                  "0502xw96za7bvnqvh6jhfjwrw4ddqwppr4ihcn9f5jvjpgw95284"))))
      (native-inputs (list qbe))
      (build-system gnu-build-system)
      (arguments
       `(#:tests? #f ;no test suite
         #:make-flags
         (list (string-append "CC="
                              ,(cc-for-target))
               (string-append "DESTDIR="
                              (assoc-ref %outputs "out")) "PREFIX=")
         #:phases
         (modify-phases %standard-phases
           (replace 'configure
             (lambda* (#:key configure-flags #:allow-other-keys)
               (setenv "QBE"
                       (string-append (assoc-ref %build-inputs "qbe")
                                      "/bin/qbe"))
               ;; configure rejects unrecognized options
               (apply invoke "./configure" configure-flags))))))
      (home-page "https://harelang.org")
      (synopsis "Hare bootstrap compiler")
      (description "Hare compiler written in C11 for POSIX-compatible
systems.")
      (license license:gpl3+))))

(define-public hare
  (let ((commit "5af4fbd5f2f552da47af0f8f765050e49b0ae73f") (revision "0"))
    (package
      (name "hare")
      (version (git-version "0.0" revision commit))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://git.sr.ht/~sircmpwn/hare")
                      (commit commit)))
                (file-name (git-file-name name version))
                (sha256
                 (base32
                  "1gj2v5p73f8y5gpglm6mmfdadc6ih2bnd80nyax1xipsfy0f82di"))))
      (build-system gnu-build-system)
      (arguments
       `(#:make-flags
         (list (string-append "DESTDIR=" (assoc-ref %outputs "out"))
               "BINDIR=/bin"
               "MANDIR=/share/man"
               "SRCDIR=/src"
               "LOCALSRCDIR=/src/hare"
               (string-append "HAREPATH="
                              (assoc-ref %outputs "out")
                              "/src/hare/stdlib:"
                              (assoc-ref %outputs "out")
                              "/src/hare/third-party")
               (string-append "PLATFORM=" "linux")
               (string-append "ARCH="
                              ,(platform-linux-architecture
                                (lookup-platform-by-target-or-system
                                 (or (%current-target-system)
                                     (%current-system)))))
               (string-append "HAREC="
                              (string-append (assoc-ref %build-inputs "harec")
                                             "/bin/harec"))
               "HAREFLAGS="
               (string-append "QBE="
                              (string-append (assoc-ref %build-inputs "qbe")
                                             "/bin/qbe"))
               (string-append "AS="
                              (string-append (assoc-ref %build-inputs "binutils")
                                             "/bin/as"))
               (string-append "LD="
                              (string-append (assoc-ref %build-inputs "binutils")
                                             "/bin/ld"))
               (string-append "AR="
                              (string-append (assoc-ref %build-inputs "binutils")
                                             "/bin/ar"))
               (string-append "SCDOC="
                              (string-append (assoc-ref %build-inputs "scdoc")
                                             "/bin/scdoc"))
               "HARECACHE=.cache")
         #:phases
         (modify-phases %standard-phases
                        (delete 'configure) ;No configuration script.
           ;; Use own make-flags instead of `config.mk`.
           (add-before 'build 'dont-include-config-mk
             (lambda _
               (substitute* "Makefile"
                 (("include config.mk") "")) #t)))))
      (native-inputs (list scdoc))
      (propagated-inputs (list harec qbe binutils))
      (home-page "https://harelang.org")
      (synopsis "Compiler for the Hare programming language")
      (description "Hare is a systems programming language.")
      (license (list license:gpl3+ license:mpl2.0)))))