gnu: Add Axoloti.

* gnu/packages/axoloti.scm: New file.
* gnu/packages/patches/libusb-for-axoloti.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add patch.
(GNU_SYSTEM_MODULES): Add module.

3 files changed, 368 insertions, 0 deletions

diff --git a/gnu/local.mk b/gnu/local.mk
index f648dda141..e2f31c27bf 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -66,6 +66,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/autotools.scm			\
   %D%/packages/avahi.scm			\
   %D%/packages/avr.scm				\
+  %D%/packages/axoloti.scm			\
   %D%/packages/backup.scm			\
   %D%/packages/base.scm				\
   %D%/packages/bash.scm				\
@@ -813,6 +814,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/libtool-skip-tests2.patch		\
   %D%/packages/patches/libunistring-gnulib-multi-core.patch	\
   %D%/packages/patches/libusb-0.1-disable-tests.patch		\
+  %D%/packages/patches/libusb-for-axoloti.patch			\
   %D%/packages/patches/libvisio-fix-tests.patch			\
   %D%/packages/patches/libvpx-CVE-2016-2818.patch		\
   %D%/packages/patches/libxcb-python-3.5-compat.patch		\
diff --git a/gnu/packages/axoloti.scm b/gnu/packages/axoloti.scm
new file mode 100644
index 0000000000..7a53980c4d
--- /dev/null
+++ b/gnu/packages/axoloti.scm
@@ -0,0 +1,352 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016, 2017 Ricardo Wurmus <rekado@elephly.net>
+;;;
+;;; 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 axoloti)
+  #:use-module (guix utils)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix build-system ant)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages cross-base)
+  #:use-module (gnu packages embedded)
+  #:use-module (gnu packages flashing-tools)
+  #:use-module (gnu packages java)
+  #:use-module (gnu packages libusb)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages textutils)
+  #:use-module (gnu packages version-control)
+  #:use-module (gnu packages xml))
+
+(define libusb-for-axoloti
+  (package (inherit libusb)
+    (name "axoloti-libusb")
+    (version (package-version libusb))
+    (source
+     (origin
+       (inherit (package-source libusb))
+       (patches (list (search-patch "libusb-for-axoloti.patch")))))))
+
+(define dfu-util-for-axoloti
+  (package (inherit dfu-util)
+    (name "axoloti-dfu-util")
+    (version "0.8")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://dfu-util.sourceforge.net/releases/"
+                           "dfu-util-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0n7h08avlzin04j93m6hkq9id6hxjiiix7ff9gc2n89aw6dxxjsm"))))
+    (inputs
+     `(("libusb" ,libusb-for-axoloti)))))
+
+(define-public axoloti-runtime
+  (package
+    (name "axoloti-runtime")
+    (version "1.0.12")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/axoloti/axoloti/"
+                                  "archive/" version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1dynk6h0nixp4zihpirpqa4vi8fq1lhm443jsmvhk135ykhf364p"))
+              (modules '((guix build utils)))
+              (snippet
+               '(begin
+                  ;; Remove pre-built Java binaries.
+                  (delete-file-recursively "lib/")
+                  #t))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:tests? #f ; no check target
+       #:modules ((guix build gnu-build-system)
+                  (guix build utils)
+                  (srfi srfi-1)
+                  (srfi srfi-26)
+                  (ice-9 match)
+                  (ice-9 regex))
+       #:imported-modules ((guix build syscalls)
+                           ,@%gnu-build-system-modules)
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'patch-paths
+           (lambda* (#:key inputs #:allow-other-keys)
+             ;; prepare ChibiOS
+             (and (zero? (system* "unzip" "-o" (assoc-ref inputs "chibios")))
+                  (zero? (system* "mv" "ChibiOS_2.6.9" "chibios"))
+                  (with-directory-excursion "chibios/ext"
+                    (zero? (system* "unzip" "-o" "fatfs-0.9-patched.zip"))))
+
+             ;; Remove source of non-determinism in ChibiOS
+             (substitute* "chibios/os/various/shell.c"
+               (("#ifdef __DATE__") "#if 0"))
+
+             ;; Patch shell paths
+             (substitute* '("src/main/java/qcmds/QCmdCompileFirmware.java"
+                            "src/main/java/qcmds/QCmdCompilePatch.java"
+                            "src/main/java/qcmds/QCmdFlashDFU.java")
+               (("/bin/sh") (which "sh")))
+
+             ;; Override cross compiler base name
+             (substitute* "firmware/Makefile.patch"
+               (("arm-none-eabi-(gcc|g\\+\\+|objcopy|objdump)" tool)
+                (which tool)))
+
+             ;; Hardcode full path to compiler tools
+             (substitute* '("firmware/Makefile"
+                            "firmware/flasher/Makefile"
+                            "firmware/mounter/Makefile")
+               (("TRGT =.*")
+                (string-append "TRGT = "
+                               (assoc-ref inputs "cross-toolchain")
+                               "/bin/arm-none-eabi-\n")))
+
+             ;; Hardcode path to "make"
+             (substitute* '("firmware/compile_firmware_linux.sh"
+                            "firmware/compile_patch_linux.sh")
+               (("make") (which "make")))
+
+             ;; Hardcode path to "dfu-util"
+             (substitute* "platform_linux/upload_fw_dfu.sh"
+               (("-f \"\\$\\{platformdir\\}/bin/dfu-util\"") "-z \"\"")
+               (("\\./dfu-util") (which "dfu-util")))
+             #t))
+         (delete 'configure)
+         (replace 'build
+           ;; Build Axoloti firmware with cross-compiler
+           (lambda* (#:key inputs #:allow-other-keys)
+             (let* ((toolchain (assoc-ref inputs "cross-toolchain"))
+                    (headers   (string-append
+                                toolchain
+                                "/arm-none-eabi/include:"
+                                toolchain
+                                "/arm-none-eabi/include/arm-none-eabi/armv7e-m")))
+               (setenv "CROSS_CPATH" headers)
+               (setenv "CROSS_CPLUS_INCLUDE_PATH" headers)
+               (setenv "CROSS_LIBRARY_PATH"
+                       (string-append toolchain
+                                      "/arm-none-eabi/lib")))
+             (with-directory-excursion "platform_linux"
+               (zero? (system* "sh" "compile_firmware.sh")))))
+         (replace 'install
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let* ((out   (assoc-ref outputs "out"))
+                    (share (string-append out "/share/axoloti/"))
+                    (doc   (string-append share "doc"))
+                    (dir   (getcwd))
+                    (pats  '("/doc/[^/]+$"
+                             "/patches/[^/]+/[^/]+$"
+                             "/objects/[^/]+/[^/]+$"
+                             "/firmware/.+"
+                             "/chibios/[^/]+$"
+                             "/chibios/boards/ST_STM32F4_DISCOVERY/[^/]+$"
+                             "/chibios/(ext|os|docs)/.+"
+                             "/CMSIS/[^/]+/[^/]+$"
+                             "/patch/[^/]+/[^/]+$"
+                             "/[^/]+\\.txt$"))
+                    (pattern (string-append
+                              "(" (string-join
+                                   (map (cut string-append dir <>)
+                                        pats)
+                                   "|") ")"))
+                    (files   (find-files dir
+                                         (lambda (file stat)
+                                           (and (eq? 'regular (stat:type stat))
+                                                (string-match pattern file))))))
+               (for-each (lambda (file)
+                           (install-file file
+                                         (string-append
+                                          share
+                                          (regexp-substitute
+                                           #f
+                                           (string-match dir (dirname file))
+                                           'pre  'post))))
+                         files)
+               #t))))))
+    (inputs
+     `(("chibios"
+        ,(origin
+           (method url-fetch)
+           (uri "mirror://sourceforge/chibios/ChibiOS_RT%20stable/Version%202.6.9/ChibiOS_2.6.9.zip")
+           (sha256
+            (base32
+             "0lb5s8pkj80mqhsy47mmq0lqk34s2a2m3xagzihalvabwd0frhlj"))))
+       ;; for compiling patches
+       ("make" ,gnu-make)
+       ;; for compiling firmware
+       ("cross-toolchain" ,arm-none-eabi-nano-toolchain-4.9)
+       ;; for uploading compiled patches and firmware
+       ("dfu-util" ,dfu-util-for-axoloti)))
+    (native-inputs
+     `(("unzip" ,unzip)))
+    (home-page "http://axoloti.com")
+    (synopsis "Audio development environment for the Axoloti core board")
+    (description
+     "The Axoloti patcher offers a “patcher” environment similar to Pure Data
+for sketching digital audio algorithms.  The patches run on a standalone
+powerful microcontroller board: Axoloti Core.  This package provides the
+runtime.")
+    (license license:gpl3+)))
+
+(define-public axoloti-patcher
+  (package (inherit axoloti-runtime)
+    (name "axoloti-patcher")
+    (version (package-version axoloti-runtime))
+    (arguments
+     `(#:tests? #f ; no check target
+       #:modules ((guix build gnu-build-system)
+                  ((guix build ant-build-system) #:prefix ant:)
+                  (guix build utils)
+                  (srfi srfi-1)
+                  (srfi srfi-26)
+                  (ice-9 match)
+                  (ice-9 regex)
+                  (sxml simple)
+                  (sxml xpath)
+                  (sxml transform))
+       #:imported-modules ((guix build ant-build-system)
+                           (guix build syscalls)
+                           ,@%gnu-build-system-modules)
+       #:phases
+       (modify-phases %standard-phases
+         (delete 'configure)
+         (replace 'build
+           (lambda* (#:key inputs #:allow-other-keys)
+             (setenv "JAVA_HOME" (assoc-ref inputs "icedtea"))
+             ;; We want to use our own jar files instead of the pre-built
+             ;; stuff in lib.  So we replace the zipfileset tags in the
+             ;; build.xml with new ones that reference our jars.
+             (let* ((build.xml (with-input-from-file "build.xml"
+                                 (lambda _
+                                   (xml->sxml #:trim-whitespace? #t))))
+                    (jars      (append-map (match-lambda
+                                             (((? (cut string-prefix? "java-" <>)
+                                                  label) . directory)
+                                              (find-files directory "\\.jar$"))
+                                             (_ '()))
+                                           inputs))
+                    (classpath (string-join jars ":"))
+                    (fileset   (map (lambda (jar)
+                                      `(zipfileset (@ (excludes "META-INF/*.SF")
+                                                      (src ,jar))))
+                                    jars)))
+               (call-with-output-file "build.xml"
+                 (lambda (port)
+                   (sxml->xml
+                    (pre-post-order
+                     build.xml
+                     `(;; Remove all zipfileset tags from the "jar" tree and
+                       ;; inject our own tags.
+                       (jar . ,(lambda (tag . kids)
+                                 `(jar ,@(append-map
+                                          (filter (lambda (e)
+                                                    (not (eq? 'zipfileset (car e)))))
+                                          kids)
+                                       ,@fileset)))
+                       ;; Skip the "bundle" target (and the "-post-jar" target
+                       ;; that depends on it), because we don't need it and it
+                       ;; confuses sxml->xml.
+                       (target . ,(lambda (tag . kids)
+                                    (let ((name ((sxpath '(name *text*))
+                                                 (car kids))))
+                                      (if (or (member "bundle" name)
+                                              (member "-post-jar" name))
+                                          '() ; skip
+                                          `(,tag ,@kids)))))
+                       (*default*  . ,(lambda (tag . kids) `(,tag ,@kids)))
+                       (*text*     . ,(lambda (_ txt)
+                                        (match txt
+                                          ;; Remove timestamp.
+                                          ("${TODAY}" "(unknown)")
+                                          (_ txt))))))
+                    port)))
+
+               ;; Build it!
+               (zero? (system* "ant"
+                               (string-append "-Djavac.classpath=" classpath)
+                               "-Dbuild.runtime=true"
+                               "-Dbuild.time=01/01/1970 00:00:00"
+                               "-Djavac.source=1.7"
+                               "-Djavac.target=1.7"
+                               (string-append "-Dtag.short.version="
+                                              ,version))))))
+         (replace 'install
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let* ((out   (assoc-ref outputs "out"))
+                    (share (string-append out "/share/axoloti/")))
+               (install-file "dist/Axoloti.jar" share)
+
+               ;; We do this to ensure that this package retains references to
+               ;; other Java packages' jar files.
+               (install-file "build.xml" share)
+
+               ;; Create a launcher script
+               (mkdir (string-append out "/bin"))
+               (let ((target (string-append out "/bin/Axoloti")))
+                 (with-output-to-file target
+                   (lambda ()
+                     (let* ((dir       (string-append (assoc-ref outputs "out")
+                                                      "/share/axoloti"))
+                            (runtime   (string-append (assoc-ref inputs "axoloti-runtime")
+                                                      "/share/axoloti"))
+                            (toolchain (assoc-ref inputs "cross-toolchain"))
+                            (includes  (string-append
+                                        toolchain
+                                        "/arm-none-eabi/include:"
+                                        toolchain
+                                        "/arm-none-eabi/include/arm-none-eabi/armv7e-m")))
+                       (display
+                        (string-append "#!" (which "sh") "\n"
+                                       "export CROSS_CPATH=" includes "\n"
+                                       "export CROSS_CPLUS_INCLUDE_PATH=" includes "\n"
+                                       "export CROSS_LIBRARY_PATH="
+                                       toolchain "/arm-none-eabi/lib" "\n"
+                                       (which "java")
+                                       " -Daxoloti_release=" runtime
+                                       " -Daxoloti_runtime=" runtime
+                                       " -jar " dir "/Axoloti.jar")))))
+                 (chmod target #o555))
+               #t)))
+         (add-after 'install 'strip-jar-timestamps
+           (assoc-ref ant:%standard-phases 'strip-jar-timestamps)))))
+    (inputs
+     `(("icedtea" ,icedtea "jdk")
+       ("cross-toolchain" ,arm-none-eabi-nano-toolchain-4.9)
+       ("java-simple-xml" ,java-simple-xml)
+       ("java-rsyntaxtextarea" ,java-rsyntaxtextarea)
+       ("java-usb4java" ,java-usb4java)
+       ("java-jsch" ,java-jsch)
+       ("java-slf4j-api" ,java-slf4j-api)
+       ("java-jgit" ,java-jgit-4.2)
+       ("axoloti-runtime" ,axoloti-runtime)))
+    (native-inputs
+     `(("ant" ,ant)
+       ("zip" ,zip) ; for repacking the jar
+       ("unzip" ,unzip)))
+    (description
+     "The Axoloti patcher offers a “patcher” environment similar to Pure Data
+for sketching digital audio algorithms.  The patches run on a standalone
+powerful microcontroller board: Axoloti Core.  This package provides the
+patcher application.")))
diff --git a/gnu/packages/patches/libusb-for-axoloti.patch b/gnu/packages/patches/libusb-for-axoloti.patch
new file mode 100644
index 0000000000..2c07d767d9
--- /dev/null
+++ b/gnu/packages/patches/libusb-for-axoloti.patch
@@ -0,0 +1,14 @@
+diff -rp -u4 libusb-1.0.19-orig/libusb/descriptor.c libusb-1.0.19/libusb/descriptor.c
+--- libusb-1.0.19-orig/libusb/descriptor.c	2015-05-12 00:15:19 +0200
++++ libusb-1.0.19/libusb/descriptor.c	2015-05-12 00:17:09 +0200
+@@ -1181,9 +1181,9 @@ int API_EXPORTED libusb_get_string_descr
+ 	if (tbuf[1] != LIBUSB_DT_STRING)
+ 		return LIBUSB_ERROR_IO;
+ 
+ 	if (tbuf[0] > r)
+-		return LIBUSB_ERROR_IO;
++            tbuf[0] = r;
+ 
+ 	for (di = 0, si = 2; si < tbuf[0]; si += 2) {
+ 		if (di >= (length - 1))
+ 			break;