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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2018 Marius Bakke <mbakke@fastmail.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 stb)
+ #:use-module (guix packages)
+ #:use-module (guix git-download)
+ #:use-module (guix build-system gnu)
+ #:use-module (guix build-system trivial)
+ #:use-module ((guix licenses) #:select (expat public-domain)))
+
+(define stb
+ ;; stb is a collection of libraries developed within the same repository.
+ ;; When updating this, remember to change versions below as appropriate.
+ (let ((commit "e6afb9cbae4064da8c3e69af3ff5c4629579c1d2")
+ (revision "0"))
+ (package
+ (name "stb")
+ (home-page "https://github.com/nothings/stb")
+ (version (git-version "0.0" revision commit))
+ (source (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url home-page)
+ (commit commit)))
+ (sha256
+ (base32
+ "079nsn9bnb8c0vfq26g5l53q6gzx19a5x9q2nb55mpcljxsgxnmf"))
+ (file-name (git-file-name name version))))
+ (build-system gnu-build-system)
+ (arguments
+ `(#:modules ((ice-9 ftw)
+ (ice-9 regex)
+ (srfi srfi-26)
+ ,@%gnu-build-system-modules)
+ #:phases (modify-phases %standard-phases
+ (delete 'configure)
+ (delete 'build)
+ (replace 'check
+ (lambda _
+ (invoke "make" "-C" "tests" "CC=gcc")))
+ (replace 'install
+ (lambda* (#:key outputs #:allow-other-keys)
+ (let ((out (assoc-ref outputs "out"))
+ (files (make-regexp "\\.(c|h|md)$")))
+ (for-each (lambda (file)
+ (install-file file out))
+ (scandir "." (cut regexp-exec files <>)))
+ #t))))))
+ (synopsis "Single file libraries for C/C++")
+ (description
+ "This package contains a variety of small independent libraries for
+the C programming language.")
+ ;; The user can choose either license.
+ (license (list expat public-domain)))))
+
+(define (make-stb-header-package name version description)
+ (package
+ (inherit stb)
+ (name name)
+ (version version)
+ (source #f)
+ (inputs `(("stb" ,stb)))
+ (build-system trivial-build-system)
+ (arguments
+ `(#:modules ((guix build utils))
+ #:builder (begin
+ (use-modules (guix build utils))
+ (let ((stb (assoc-ref %build-inputs "stb"))
+ (lib (string-join (string-split ,name #\-) "_"))
+ (out (assoc-ref %outputs "out")))
+ (install-file (string-append stb "/" lib ".h")
+ (string-append out "/include"))
+ #t))))
+ (description description)))
+
+;; TODO: These descriptions are not translatable! They should be
+;; converted to macros as outlined in <https://bugs.gnu.org/32155>.
+(define-public stb-image
+ (make-stb-header-package
+ "stb-image" "2.19"
+ "stb-image is a small and self-contained library for image loading or
+decoding from file or memory. A variety of formats are supported."))
+
+(define-public stb-image-write
+ (make-stb-header-package
+ "stb-image-write" "1.09"
+ "stb-image-write is a small library for writing image files to the
+C@tie{}@code{stdio} interface."))