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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2016 Manolis Fragkiskos Ragkousis <manolis837@gmail.com>
;;; Copyright © 2015 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2016 David Thompson <davet@gnu.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 avr)
#:use-module ((guix licenses) #:prefix license:)
#:use-module (guix utils)
#:use-module (guix download)
#:use-module (guix packages)
#:use-module (guix build-system gnu)
#:use-module (gnu packages)
#:use-module (gnu packages cross-base)
#:use-module (gnu packages gcc)
#:use-module (gnu packages vim)
#:use-module (gnu packages zip))
(define-public avr-binutils
(package
(inherit (cross-binutils "avr"))
(name "avr-binutils")))
(define-public avr-gcc-4.9
(let ((xgcc (cross-gcc "avr" avr-binutils)))
(package
(inherit xgcc)
(name "avr-gcc")
(arguments
(substitute-keyword-arguments (package-arguments xgcc)
((#:phases phases)
`(modify-phases ,phases
;; Without a working multilib build, the resulting GCC lacks
;; support for nearly every AVR chip.
(add-after 'unpack 'fix-genmultilib
(lambda _
;; patch-shebang doesn't work here because there are actually
;; several scripts inside this script, each with a #!/bin/sh
;; that needs patching.
(substitute* "gcc/genmultilib"
(("#!/bin/sh") (string-append "#!" (which "sh"))))
#t))))
((#:configure-flags flags)
`(delete "--disable-multilib" ,flags))))
(native-search-paths
(list (search-path-specification
(variable "CROSS_CPATH")
(files '("avr/include")))
(search-path-specification
(variable "CROSS_LIBRARY_PATH")
(files '("avr/lib"))))))))
(define-public avr-gcc-5
(package
(inherit avr-gcc-4.9)
(version (package-version gcc-5))
(source (package-source gcc-5))))
(define-public avr-libc
(package
(name "avr-libc")
(version "1.8.1")
(source (origin
(method url-fetch)
(uri (string-append
"mirror://savannah//avr-libc/avr-libc-"
version ".tar.bz2"))
(sha256
(base32
"0sd9qkvhmk9av4g1f8dsjwc309hf1g0731bhvicnjb3b3d42l1n3"))))
(build-system gnu-build-system)
(arguments
'(#:out-of-source? #t
#:configure-flags '("--host=avr")
#:phases
(modify-phases %standard-phases
(add-before 'unpack 'fix-cpath
(lambda _
;; C_INCLUDE_PATH poses issues for cross-building, leading to
;; failures when building avr-libc on 64-bit systems. Simply
;; unsetting it allows the build to succeed because it doesn't
;; try to use any of the native system's headers.
(unsetenv "C_INCLUDE_PATH")
#t)))))
(native-inputs `(("avr-binutils" ,avr-binutils)
("avr-gcc" ,avr-gcc-4.9)))
(home-page "http://www.nongnu.org/avr-libc/")
(synopsis "The AVR C Library")
(description
"AVR Libc is a project whose goal is to provide a high quality C library
for use with GCC on Atmel AVR microcontrollers.")
(license
(license:non-copyleft "http://www.nongnu.org/avr-libc/LICENSE.txt"))))
(define-public microscheme
(package
(name "microscheme")
(version "0.9.2")
(source (origin
(method url-fetch)
(uri (string-append "https://github.com/ryansuchocki/"
"microscheme/archive/v" version ".zip"))
(sha256
(base32
"0cmp1c6ilcib4w9ysqghav310g8jsq9gdfpfa9sd23wgl7mlncxf"))
(file-name (string-append name "-" version ".zip"))))
(build-system gnu-build-system)
(arguments
`(#:parallel-build? #f ; fails to build otherwise
#:tests? #f ; no tests
#:phases
(modify-phases %standard-phases
(delete 'configure))
#:make-flags
(list (string-append "PREFIX=" (assoc-ref %outputs "out")))))
(native-inputs
`(("unzip" ,unzip)
("vim" ,vim))) ; for xxd
(home-page "http://microscheme.org/")
(synopsis "Scheme subset for Atmel microcontrollers")
(description
"Microscheme, or @code{(ms)} for short, is a functional programming
language for the Arduino, and for Atmel 8-bit AVR microcontrollers in general.
Microscheme is a subset of Scheme, in the sense that every valid @code{(ms)}
program is also a valid Scheme program (with the exception of Arduino
hardware-specific primitives). The @code{(ms)} compiler performs function
inlining, and features an aggressive tree-shaker, eliminating unused top-level
definitions. Microscheme has a robust @dfn{Foreign Function Interface} (FFI)
meaning that C code may be invoked directly from (ms) programs.")
(license license:expat)))
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