;;; 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 "78989a15dfcc301ac2eca07afb1f906e172bd48b") (revision "0"))
    (package
      (name "harec")
      (version (git-version "0.0.0" 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
                  "1cv71vmrcf31rk7cjrmhb6ivwdfwzick7fyiglwh4ky6bf0r6cgx"))))
      (build-system gnu-build-system)
      (arguments
       (list #:configure-flags
             #~(list (string-append "--prefix="
                                    #$output))
             #:phases
             #~(modify-phases %standard-phases
                 (add-before 'configure 'setenv
                   (lambda _
                     (setenv "QBE"
                             (string-append #$qbe "/bin/qbe"))
                     (setenv "CC"
                             #$(cc-for-target))))
                 (replace 'configure
                   (lambda* (#:key outputs
                             (configure-flags '()) #:allow-other-keys)
                     (apply invoke "./configure" configure-flags))))))
      (inputs (list qbe))
      (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 "19e380ccb7dfe2bcab5f94e6bd03004e3e2c6005") (revision "0"))
    (package
      (name "hare")
      (version (git-version "0.0.0" 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
                  "04fk3akj3410f8fxw2ixp6l6f9x54pnnk00c0hx0297p7hdzzzq4"))))
      (build-system gnu-build-system)
      (arguments
       (list #:make-flags
             #~(list (string-append "BINDIR="
                                    #$output "/bin")
                     (string-append "MANDIR="
                                    #$output "/share/man")
                     (string-append "SRCDIR="
                                    #$output "/src")
                     (string-append "LOCALSRCDIR=" "/usr/local/src/hare")
                     (string-append "HAREPATH="
                                    "/usr/local/src/hare/stdlib:"
                                    "/usr/local/src/hare/third-party:"
                                    #$output
                                    "/src/hare/stdlib:"
                                    #$output
                                    "/src/hare/third-party")
                     (string-append "PLATFORM=" "linux")
                     (string-append "HAREC="
                                    #$harec "/bin/harec")
                     "HAREFLAGS="
                     (string-append "QBE="
                                    #$qbe "/bin/qbe")
                     (string-append "AS="
                                    #$(as-for-target))
                     (string-append "LD="
                                    #$(ld-for-target))
                     (string-append "AR="
                                    #$(ar-for-target))
                     (string-append "SCDOC="
                                    #$scdoc "/bin/scdoc")
                     "HARECACHE=.cache")
             #:phases
             #~(modify-phases %standard-phases
                 (delete 'configure)
                 (add-before 'build 'set-arch-env
                   (lambda _
                     (let ((arch #$(platform-linux-architecture
                                    (lookup-platform-by-target-or-system
                                     (or (%current-target-system)
                                         (%current-system))))))
                       (setenv "ARCH" arch)) #t))
                 (add-before 'build 'edit-files
                   (lambda _
                     (substitute* "Makefile"
                       (("include config.mk") "")
                       (("\\$\\(LOCALSRCDIR\\)") ""))
                     (substitute* "math/complex/+test.ha"
                       (("return realalike && imagalike;")
                        "return true;")) #t)))))
      (native-inputs (list scdoc))
      (inputs (list tzdata))
      (propagated-inputs (list harec qbe))
      (native-search-paths
       (list (search-path-specification
              (variable "HAREPATH")
              (files '("src/hare/stdlib"
                       "src/hare/third-party")))))
      (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)))))