[bug#53634] [PATCH 0/4] gnu: Add openboardview.

[bug#53634] [PATCH 0/4] gnu: Add openboardview.

[Maxim Cournoyer]

Hello Guix!

I've finally got around to getting this to build and run.  I got interested in
it when wanting to view board files for an X200 (libreboot-related).

Enjoy,

Maxim Cournoyer (4):
  gnu: Add imgui.
  gnu: Add glad.
  gnu: Add utf8-h.
  gnu: Add openboardview.

 gnu/local.mk                                  |   1 +
 gnu/packages/c.scm                            |  41 ++++++-
 gnu/packages/electronics.scm                  | 113 +++++++++++++++++-
 gnu/packages/gl.scm                           |  35 +++++-
 .../openboardview-use-system-utf8.patch       |  48 ++++++++
 gnu/packages/toolkits.scm                     | 104 ++++++++++++++++
 6 files changed, 337 insertions(+), 5 deletions(-)
 create mode 100644 gnu/packages/patches/openboardview-use-system-utf8.patch
 create mode 100644 gnu/packages/toolkits.scm

-- 
2.34.0

[bug#53634] [PATCH 1/4] gnu: Add imgui.

[Maxim Cournoyer]

* gnu/packages/toolkits.scm (imgui): New variable.
---
 gnu/packages/toolkits.scm | 104 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 gnu/packages/toolkits.scm

diff --git a/gnu/packages/toolkits.scm b/gnu/packages/toolkits.scm
new file mode 100644
index 0000000000..e980438ca9
--- /dev/null
+++ b/gnu/packages/toolkits.scm
@@ -0,0 +1,104 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2022 Maxim Cournoyer <maxim.cournoyer@gmail.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 toolkits)
+  #:use-module (gnu packages gl)
+  #:use-module (gnu packages sdl)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix utils)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix git-download))
+
+(define-public imgui
+  (package
+    (name "imgui")
+    (version "1.86")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/ocornut/imgui")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "02a7b05zrka20jhzag2jb4jl624i1m456bsv69jb9zgys2p9dv1n"))
+              (modules '((guix build utils)))
+              (snippet
+               '(begin
+                  ;; Contains fonts and other unneeded files.
+                  (delete-file-recursively "misc")))))
+    (outputs '("out" "doc"))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:tests? #f                      ;no test suite
+       #:modules ((guix build gnu-build-system)
+                  (guix build utils)
+                  (ice-9 ftw)
+                  (srfi srfi-26))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'adjust-includes
+           (lambda _
+             (substitute* (find-files "." "(\\.cpp|\\.mm)$")
+               (("#include <SDL")
+                "#include <SDL2/SDL"))))
+         (delete 'configure)
+         (replace 'build
+           (lambda _
+             ;; Build main library.
+             (invoke ,(cc-for-target) "-I" (getcwd)
+                     "-g" "-O2" "-fPIC" "-shared"
+                     "-lGL" "-lSDL2" "-lglfw"
+                     "-o" "libimgui.so"
+                     "imgui.cpp"
+                     "imgui_draw.cpp"
+                     ;; Include the supported backends.
+                     "backends/imgui_impl_glfw.cpp"
+                     "backends/imgui_impl_sdl.cpp"
+                     "backends/imgui_impl_opengl2.cpp"
+                     "backends/imgui_impl_opengl3.cpp")))
+         (replace 'install
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (doc (assoc-ref outputs "doc"))
+                    (header? (cut string-suffix? ".h" <>))
+                    (imgui-headers (scandir "." header?))
+                    (backend-headers (find-files
+                                      "backends"
+                                      "(glfw|opengl|sdl|vulkan).*\\.h$")))
+               (install-file "libimgui.so" (string-append out "/lib"))
+               ;; Install headers.
+               (for-each (lambda (f)
+                           (install-file f (string-append out "/include/imgui")))
+                         imgui-headers)
+               (for-each (lambda (f)
+                           (install-file f (string-append
+                                            out "/include/imgui/backends")))
+                         backend-headers)
+               ;; Install examples.
+               (copy-recursively
+                "examples" (string-append
+                            doc "/share/imgui/examples"))))))))
+    (inputs (list glfw mesa sdl2))
+    (home-page "https://github.com/ocornut/imgui")
+    (synopsis "Graphical user interface library for C++")
+    (description "@code{dear imgui} (also know as ImGui) is a graphical user
+interface library for C++.  It outputs vertex buffers that can be rendered in
+a 3D application.  It is fast, renderer agnostic and self-contained.")
+    (license license:expat)))
-- 
2.34.0

[bug#53634] [PATCH 2/4] gnu: Add glad.

[Maxim Cournoyer]

* gnu/packages/gl.scm (glad): New variable.
---
 gnu/packages/gl.scm | 35 ++++++++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/gl.scm b/gnu/packages/gl.scm
index fa49679870..7ca1c510ab 100644
--- a/gnu/packages/gl.scm
+++ b/gnu/packages/gl.scm
@@ -12,7 +12,7 @@
 ;;; Copyright © 2019 Pierre Neidhardt <mail@ambrevar.xyz>
 ;;; Copyright © 2020 Marius Bakke <mbakke@fastmail.com>
 ;;; Copyright © 2020 Giacomo Leidi <goodoldpaul@autistici.org>
-;;; Copyright © 2020, 2021 Maxim Cournoyer <maxim.cournoyer@gmail.com>
+;;; Copyright © 2020, 2021, 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
 ;;; Copyright © 2020 Kei Kebreau <kkebreau@posteo.net>
 ;;; Copyright © 2021 Ivan Gankevich <i.gankevich@spbu.ru>
 ;;; Copyright © 2021 John Kehayias <john.kehayias@protonmail.com>
@@ -63,6 +63,7 @@ (define-module (gnu packages gl)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system meson)
+  #:use-module (guix build-system python)
   #:use-module (guix build-system waf)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
@@ -181,6 +182,38 @@ (define-public ftgl
 Polygon meshes, and Extruded polygon meshes.")
     (license license:x11)))
 
+(define-public glad
+  (package
+    (name "glad")
+    (version "0.1.36")
+    (source
+     (origin
+       ;; We fetch the sources from the repository since the PyPI archive
+       ;; doesn't contain the CMakeLists.txt file which is useful for
+       ;; integration with other software, such as the openboardview package.
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/Dav1dde/glad")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0m55ya1zrmg6n2cljkajy80ilmi5sblln8742fm0k1sw9k7hzn8n"))))
+    (build-system python-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'install-cmakelists.txt
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (share (string-append out "/share/" ,name)))
+               (install-file "CMakeLists.txt" share)))))))
+    (home-page "https://github.com/Dav1dde/glad")
+    (synopsis "Multi-language GL/GLES/EGL/GLX/WGL loader generator")
+    (description "Glad uses the official Khronos XML specifications to
+generate a GL/GLES/EGL/GLX/WGL loader tailored for specific requirements.")
+    (license license:expat)))
+
 (define-public s2tc
   (package
     (name "s2tc")
-- 
2.34.0

[bug#53634] [PATCH 3/4] gnu: Add utf8-h.

[Maxim Cournoyer]

* gnu/packages/c.scm (utf8-h): New variable.
---
 gnu/packages/c.scm | 41 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 40 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/c.scm b/gnu/packages/c.scm
index 459d996fa2..e53a7c865f 100644
--- a/gnu/packages/c.scm
+++ b/gnu/packages/c.scm
@@ -9,7 +9,7 @@
 ;;; Copyright © 2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
 ;;; Copyright © 2020, 2021 Marius Bakke <marius@gnu.org>
 ;;; Copyright © 2020 Katherine Cox-Buday <cox.katherine.e@gmail.com>
-;;; Copyright © 2020 Maxim Cournoyer <maxim.cournoyer@gmail.com>
+;;; Copyright © 2020, 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
 ;;; Copyright © 2020, 2021 Greg Hogan <code@greghogan.com>
 ;;; Copyright © 2021 David Dashyan <mail@davie.li>
 ;;;
@@ -895,3 +895,42 @@ (define-public aws-c-mqtt
 Telemetry Transport (MQTT) publish-subscribe messaging protocol.")
     (home-page "https://github.com/awslabs/aws-c-mqtt")
     (license license:asl2.0)))
+
+(define-public utf8-h
+  ;; The latest tag is used as there is no release.
+  (let ((commit "500d4ea9f4c3449e5243c088d8af8700f7189734")
+        (revision "0"))
+    (package
+      (name "utf8-h")
+      (version (git-version "0.0.0" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/sheredom/utf8.h")
+                      (commit commit)))
+                (file-name (git-file-name "utf8.h" version))
+                (sha256
+                 (base32
+                  "0x9f7ivww8c7cigf4ck0hfx2bm79qgx6q4ccwzqbzkrmcrl9shfb"))))
+      (build-system cmake-build-system)
+      (arguments
+       `(#:phases
+         (modify-phases %standard-phases
+           (delete 'build)
+           (delete 'configure)
+           (replace 'check
+             (lambda* (#:key tests? #:allow-other-keys)
+               (when tests?
+                 (with-directory-excursion "test"
+                   (invoke "cmake" ".")
+                   (invoke "make")))))
+           (replace 'install
+             (lambda* (#:key outputs #:allow-other-keys)
+               (let ((out (assoc-ref outputs "out")))
+                 (install-file "utf8.h" (string-append out "/include"))))))))
+      (home-page "https://github.com/sheredom/utf8.h")
+      (synopsis "Single header UTF-8 string functions for C and C++")
+      (description "A simple one header solution to supporting UTF-8 strings in
+C and C++.  The functions it provides are like those from the C header
+string.h, but with a utf8* prefix instead of the str* prefix.")
+      (license license:unlicense))))
-- 
2.34.0

[bug#53634] [PATCH 4/4] gnu: Add openboardview.

[Maxim Cournoyer]

* gnu/packages/electronics.scm (openboardview): New variable.
* gnu/packages/patches/openboardview-use-system-utf8.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register it.
---
 gnu/local.mk                                  |   1 +
 gnu/packages/electronics.scm                  | 113 +++++++++++++++++-
 .../openboardview-use-system-utf8.patch       |  48 ++++++++
 3 files changed, 159 insertions(+), 3 deletions(-)
 create mode 100644 gnu/packages/patches/openboardview-use-system-utf8.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 96e6cb08f4..692cd7d6bc 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1567,6 +1567,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/onnx-shared-libraries.patch	\
   %D%/packages/patches/onnx-skip-model-downloads.patch		\
   %D%/packages/patches/openbabel-fix-crash-on-nwchem-output.patch	\
+  %D%/packages/patches/openboardview-use-system-utf8.patch	\
   %D%/packages/patches/opencascade-oce-glibc-2.26.patch		\
   %D%/packages/patches/openfoam-4.1-cleanup.patch			\
   %D%/packages/patches/openjdk-10-idlj-reproducibility.patch	\
diff --git a/gnu/packages/electronics.scm b/gnu/packages/electronics.scm
index 54f246faa6..918bd8f9a8 100644
--- a/gnu/packages/electronics.scm
+++ b/gnu/packages/electronics.scm
@@ -4,6 +4,7 @@
 ;;; Copyright © 2019 Clément Lassieur <clement@lassieur.org>
 ;;; Copyright © 2021 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2021 Leo Famulari <leo@famulari.name>
+;;; Copyright © 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -21,11 +22,12 @@
 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
 
 (define-module (gnu packages electronics)
-  #:use-module (guix utils)
-  #:use-module (guix packages)
   #:use-module (guix download)
+  #:use-module (guix gexp)
   #:use-module (guix git-download)
   #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix utils)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system cmake)
   #:use-module (gnu packages)
@@ -34,11 +36,14 @@ (define-module (gnu packages electronics)
   #:use-module (gnu packages base)
   #:use-module (gnu packages bash)
   #:use-module (gnu packages boost)
+  #:use-module (gnu packages c)
   #:use-module (gnu packages check)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages documentation)
   #:use-module (gnu packages embedded)
+  #:use-module (gnu packages fontutils)
   #:use-module (gnu packages gawk)
+  #:use-module (gnu packages gl)
   #:use-module (gnu packages glib)
   #:use-module (gnu packages graphviz)
   #:use-module (gnu packages gtk)
@@ -48,7 +53,10 @@ (define-module (gnu packages electronics)
   #:use-module (gnu packages m4)
   #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages python)
-  #:use-module (gnu packages qt))
+  #:use-module (gnu packages qt)
+  #:use-module (gnu packages sdl)
+  #:use-module (gnu packages sqlite)
+  #:use-module (gnu packages stb))
 
 (define-public libserialport
   (package
@@ -240,6 +248,105 @@ (define-public sigrok-cli
     (description "Sigrok-cli is a command-line frontend for sigrok.")
     (license license:gpl3+)))
 
+(define-public openboardview
+  (package
+    (name "openboardview")
+    (version "8.95.1")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/OpenBoardView/OpenBoardView")
+                    (commit version)
+                    (recursive? #t)))   ;for the "src/imgui" submodule
+              (file-name (git-file-name name version))
+              (modules '((ice-9 ftw)
+                         (srfi srfi-26)
+                         (guix build utils)))
+              (snippet
+               '(with-directory-excursion "src"
+                  ;; Keep the bundled ImGui for now, as in the current version
+                  ;; (~1.79), it requires the glad loader generated at build
+                  ;; time as an input.
+                  (define keep (list "." ".." "imgui" "openboardview"))
+                  (for-each (lambda (f)
+                              (when (eq? 'directory (stat:type (lstat f)))
+                                (delete-file-recursively f)))
+                            (scandir "." (negate (cut member <> keep))))))
+              (patches
+               (search-patches "openboardview-use-system-utf8.patch"))
+              (sha256
+               (base32
+                "16mrs7bimwp8a8lb2wqhfisy6j0hl9574l4h9yb66v46aglvmd3h"))))
+    (build-system cmake-build-system)
+    (arguments
+     (list
+      #:tests? #f                       ;no test suite
+      #:imported-modules `((guix build glib-or-gtk-build-system)
+                           ,@%cmake-build-system-modules)
+      #:modules '((guix build cmake-build-system)
+                  (guix build utils)
+                  ((guix build glib-or-gtk-build-system) #:prefix gtk:))
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-before 'configure 'configure-glad
+            (lambda* (#:key inputs #:allow-other-keys)
+              (substitute* "src/CMakeLists.txt"
+                (("add_subdirectory\\(glad\\)")
+                 (string-append
+                  ;; Configure Glad to use static Khronos XML specifications
+                  ;; instead of attempting to fetch them from the Internet.
+                  "option(GLAD_REPRODUCIBLE \"Reproducible build\" ON)\n"
+                  ;; Use the CMake files from our glad package.
+                  "add_subdirectory("
+                  (search-input-directory inputs "share/glad") ;source_dir
+                  " src/glad)\n")))))                          ;binary dir
+          (add-before 'configure 'fix-utf8-include-directive
+            ;; Our utf8-h package makes the header available as "utf8.h"
+            ;; directly rather than "utf8/utf8.h".
+            (lambda _
+              (substitute* '("src/openboardview/FileFormats/BRDFile.cpp"
+                             "src/openboardview/BoardView.cpp")
+                (("utf8/utf8.h") "utf8.h"))))
+          (add-before 'configure 'dynamically-load-gtk-via-absolute-path
+            ;; The GTK library is not linked thus not present in the RUNPATH of
+            ;; the produced binary; the absolute path of the libraries must to
+            ;; the dynamic loader otherwise they aren't found.
+            (lambda* (#:key inputs #:allow-other-keys)
+              (substitute* "src/openboardview/unix.cpp"
+                (("libgtk-3.so")
+                 (search-input-file inputs "lib/libgtk-3.so")))))
+          ;; Add the two extra phases from `glib-or-gtk-build-system'.
+          (add-after 'install 'glib-or-gtk-compile-schemas
+            (assoc-ref gtk:%standard-phases 'glib-or-gtk-compile-schemas))
+          (add-after 'install 'glib-or-gtk-wrap
+            (assoc-ref gtk:%standard-phases 'glib-or-gtk-wrap)))))
+    (native-inputs
+     (list pkg-config
+           python
+           glad
+           stb-image
+           utf8-h))
+    (inputs
+     (list fontconfig
+           gtk+
+           sdl2
+           sqlite
+           zlib))
+    (home-page "https://openboardview.org/")
+    (synopsis "Viewer for BoardView files")
+    (description "OpenBoardView is a viewer for BoardView files, which present
+the details of a printed circuit board (PCB).  It comes with features
+such as:
+@itemize
+@item Dynamic part outline rendering, including complex connectors
+@item Annotations, for leaving notes about parts, nets, pins or location
+@item Configurable colour themes
+@item Configurable DPI to facilitate usage on 4K monitors
+@item Configurable for running on slower systems
+@item Reads FZ (with key), BRD, BRD2, BDV and BV* formats.
+@end itemize")
+    (license license:expat)))
+
 (define-public pulseview
   (package
     (name "pulseview")
diff --git a/gnu/packages/patches/openboardview-use-system-utf8.patch b/gnu/packages/patches/openboardview-use-system-utf8.patch
new file mode 100644
index 0000000000..25b5952bda
--- /dev/null
+++ b/gnu/packages/patches/openboardview-use-system-utf8.patch
@@ -0,0 +1,48 @@
+From 251e23422f37c93a3f460fb660c5e5bfa8200d91 Mon Sep 17 00:00:00 2001
+From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
+Date: Sun, 2 Dec 2018 16:40:39 -0500
+Subject: [PATCH] build system: Allow using utf8.h from the system.
+
+---
+ src/CMakeLists.txt               | 12 ++++++++----
+ src/openboardview/CMakeLists.txt |  1 +
+ 2 files changed, 9 insertions(+), 4 deletions(-)
+
+diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
+index 90442ed..26d4a69 100644
+--- a/src/CMakeLists.txt
++++ b/src/CMakeLists.txt
+@@ -8,10 +8,14 @@ if(NOT WIN32 OR MINGW)
+ endif()
+ 
+ ## utf8.h ##
+-execute_process(
+-	COMMAND git submodule update --init src/utf8
+-	WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+-)
++FIND_PATH(UTF8_INCLUDE_DIR utf8.h)
++if(NOT UTF8_INCLUDE_DIR)
++  execute_process(
++    COMMAND git submodule update --init src/utf8
++    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
++    )
++  set(UTF8_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/utf8)
++endif()
+ 
+ ## zlib ##
+ find_package(ZLIB)
+diff --git a/src/openboardview/CMakeLists.txt b/src/openboardview/CMakeLists.txt
+index b0bdbe3..6c4564c 100644
+--- a/src/openboardview/CMakeLists.txt
++++ b/src/openboardview/CMakeLists.txt
+@@ -44,6 +44,7 @@ include_directories(
+ 	${CMAKE_CURRENT_SOURCE_DIR}
+ 	${CMAKE_CURRENT_SOURCE_DIR}/..
+ 	${IMGUI_INCLUDE_DIRS}
++	${UTF8_INCLUDE_DIR}
+ 	${GLAD_INCLUDE_DIRS}
+ 	${GTK_INCLUDE_DIRS}
+ 	${OPENGL_INCLUDE_DIR}
+-- 
+2.34.0
+
-- 
2.34.0

[bug#53634] [PATCH v2 4/4] gnu: Add openboardview.

[Maxim Cournoyer]

* gnu/packages/electronics.scm (openboardview): New variable.
* gnu/packages/patches/openboardview-use-system-utf8.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register it.
---
 gnu/local.mk                                  |   1 +
 gnu/packages/electronics.scm                  | 124 +++++++++++++++++-
 .../openboardview-use-system-utf8.patch       |  48 +++++++
 3 files changed, 170 insertions(+), 3 deletions(-)
 create mode 100644 gnu/packages/patches/openboardview-use-system-utf8.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 96e6cb08f4..692cd7d6bc 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1567,6 +1567,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/onnx-shared-libraries.patch	\
   %D%/packages/patches/onnx-skip-model-downloads.patch		\
   %D%/packages/patches/openbabel-fix-crash-on-nwchem-output.patch	\
+  %D%/packages/patches/openboardview-use-system-utf8.patch	\
   %D%/packages/patches/opencascade-oce-glibc-2.26.patch		\
   %D%/packages/patches/openfoam-4.1-cleanup.patch			\
   %D%/packages/patches/openjdk-10-idlj-reproducibility.patch	\
diff --git a/gnu/packages/electronics.scm b/gnu/packages/electronics.scm
index 54f246faa6..24bb4b03b1 100644
--- a/gnu/packages/electronics.scm
+++ b/gnu/packages/electronics.scm
@@ -4,6 +4,7 @@
 ;;; Copyright © 2019 Clément Lassieur <clement@lassieur.org>
 ;;; Copyright © 2021 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2021 Leo Famulari <leo@famulari.name>
+;;; Copyright © 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -21,11 +22,12 @@
 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
 
 (define-module (gnu packages electronics)
-  #:use-module (guix utils)
-  #:use-module (guix packages)
   #:use-module (guix download)
+  #:use-module (guix gexp)
   #:use-module (guix git-download)
   #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix utils)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system cmake)
   #:use-module (gnu packages)
@@ -34,11 +36,14 @@ (define-module (gnu packages electronics)
   #:use-module (gnu packages base)
   #:use-module (gnu packages bash)
   #:use-module (gnu packages boost)
+  #:use-module (gnu packages c)
   #:use-module (gnu packages check)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages documentation)
   #:use-module (gnu packages embedded)
+  #:use-module (gnu packages fontutils)
   #:use-module (gnu packages gawk)
+  #:use-module (gnu packages gl)
   #:use-module (gnu packages glib)
   #:use-module (gnu packages graphviz)
   #:use-module (gnu packages gtk)
@@ -48,7 +53,10 @@ (define-module (gnu packages electronics)
   #:use-module (gnu packages m4)
   #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages python)
-  #:use-module (gnu packages qt))
+  #:use-module (gnu packages qt)
+  #:use-module (gnu packages sdl)
+  #:use-module (gnu packages sqlite)
+  #:use-module (gnu packages stb))
 
 (define-public libserialport
   (package
@@ -240,6 +248,116 @@ (define-public sigrok-cli
     (description "Sigrok-cli is a command-line frontend for sigrok.")
     (license license:gpl3+)))
 
+(define-public openboardview
+  (package
+    (name "openboardview")
+    (version "8.95.1")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/OpenBoardView/OpenBoardView")
+                    (commit version)
+                    (recursive? #t)))   ;for the "src/imgui" submodule
+              (file-name (git-file-name name version))
+              (modules '((ice-9 ftw)
+                         (srfi srfi-26)
+                         (guix build utils)))
+              (snippet
+               '(with-directory-excursion "src"
+                  ;; Keep the bundled ImGui for now, as in the current version
+                  ;; (~1.79), it requires the glad loader generated at build
+                  ;; time as an input.
+                  (define keep (list "." ".." "imgui" "openboardview"))
+                  (for-each (lambda (f)
+                              (when (eq? 'directory (stat:type (lstat f)))
+                                (delete-file-recursively f)))
+                            (scandir "." (negate (cut member <> keep))))))
+              (patches
+               (search-patches "openboardview-use-system-utf8.patch"))
+              (sha256
+               (base32
+                "16mrs7bimwp8a8lb2wqhfisy6j0hl9574l4h9yb66v46aglvmd3h"))))
+    (build-system cmake-build-system)
+    (arguments
+     (list
+      #:tests? #f                       ;no test suite
+      #:imported-modules `((guix build glib-or-gtk-build-system)
+                           ,@%cmake-build-system-modules)
+      #:modules '((guix build cmake-build-system)
+                  (guix build utils)
+                  ((guix build glib-or-gtk-build-system) #:prefix gtk:))
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-after 'unpack 'remove-timestamps
+            (lambda _
+              ;; The __TIMESTAMP__ CPP macro does apparently not honor
+              ;; SOURCE_EPOCH_DATE.  Patch it to use __DATE__ instead, which
+              ;; does (see:
+              ;; https://github.com/OpenBoardView/OpenBoardView/issues/229 and
+              ;; https://issues.guix.gnu.org/53647).
+              (substitute* '("src/openboardview/BoardView.cpp"
+                             "src/openboardview/main_opengl.cpp")
+                (("__TIMESTAMP__")
+                 "__DATE__"))))
+          (add-before 'configure 'configure-glad
+            (lambda* (#:key inputs #:allow-other-keys)
+              (substitute* "src/CMakeLists.txt"
+                (("add_subdirectory\\(glad\\)")
+                 (string-append
+                  ;; Configure Glad to use static Khronos XML specifications
+                  ;; instead of attempting to fetch them from the Internet.
+                  "option(GLAD_REPRODUCIBLE \"Reproducible build\" ON)\n"
+                  ;; Use the CMake files from our glad package.
+                  "add_subdirectory("
+                  (search-input-directory inputs "share/glad") ;source_dir
+                  " src/glad)\n")))))                          ;binary dir
+          (add-before 'configure 'fix-utf8-include-directive
+            ;; Our utf8-h package makes the header available as "utf8.h"
+            ;; directly rather than "utf8/utf8.h".
+            (lambda _
+              (substitute* '("src/openboardview/FileFormats/BRDFile.cpp"
+                             "src/openboardview/BoardView.cpp")
+                (("utf8/utf8.h") "utf8.h"))))
+          (add-before 'configure 'dynamically-load-gtk-via-absolute-path
+            ;; The GTK library is not linked thus not present in the RUNPATH of
+            ;; the produced binary; the absolute path of the libraries must to
+            ;; the dynamic loader otherwise they aren't found.
+            (lambda* (#:key inputs #:allow-other-keys)
+              (substitute* "src/openboardview/unix.cpp"
+                (("libgtk-3.so")
+                 (search-input-file inputs "lib/libgtk-3.so")))))
+          ;; Add the two extra phases from `glib-or-gtk-build-system'.
+          (add-after 'install 'glib-or-gtk-compile-schemas
+            (assoc-ref gtk:%standard-phases 'glib-or-gtk-compile-schemas))
+          (add-after 'install 'glib-or-gtk-wrap
+            (assoc-ref gtk:%standard-phases 'glib-or-gtk-wrap)))))
+    (native-inputs
+     (list pkg-config
+           python
+           glad
+           stb-image
+           utf8-h))
+    (inputs
+     (list fontconfig
+           gtk+
+           sdl2
+           sqlite
+           zlib))
+    (home-page "https://openboardview.org/")
+    (synopsis "Viewer for BoardView files")
+    (description "OpenBoardView is a viewer for BoardView files, which present
+the details of a printed circuit board (PCB).  It comes with features
+such as:
+@itemize
+@item Dynamic part outline rendering, including complex connectors
+@item Annotations, for leaving notes about parts, nets, pins or location
+@item Configurable colour themes
+@item Configurable DPI to facilitate usage on 4K monitors
+@item Configurable for running on slower systems
+@item Reads FZ (with key), BRD, BRD2, BDV and BV* formats.
+@end itemize")
+    (license license:expat)))
+
 (define-public pulseview
   (package
     (name "pulseview")
diff --git a/gnu/packages/patches/openboardview-use-system-utf8.patch b/gnu/packages/patches/openboardview-use-system-utf8.patch
new file mode 100644
index 0000000000..25b5952bda
--- /dev/null
+++ b/gnu/packages/patches/openboardview-use-system-utf8.patch
@@ -0,0 +1,48 @@
+From 251e23422f37c93a3f460fb660c5e5bfa8200d91 Mon Sep 17 00:00:00 2001
+From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
+Date: Sun, 2 Dec 2018 16:40:39 -0500
+Subject: [PATCH] build system: Allow using utf8.h from the system.
+
+---
+ src/CMakeLists.txt               | 12 ++++++++----
+ src/openboardview/CMakeLists.txt |  1 +
+ 2 files changed, 9 insertions(+), 4 deletions(-)
+
+diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
+index 90442ed..26d4a69 100644
+--- a/src/CMakeLists.txt
++++ b/src/CMakeLists.txt
+@@ -8,10 +8,14 @@ if(NOT WIN32 OR MINGW)
+ endif()
+ 
+ ## utf8.h ##
+-execute_process(
+-	COMMAND git submodule update --init src/utf8
+-	WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+-)
++FIND_PATH(UTF8_INCLUDE_DIR utf8.h)
++if(NOT UTF8_INCLUDE_DIR)
++  execute_process(
++    COMMAND git submodule update --init src/utf8
++    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
++    )
++  set(UTF8_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/utf8)
++endif()
+ 
+ ## zlib ##
+ find_package(ZLIB)
+diff --git a/src/openboardview/CMakeLists.txt b/src/openboardview/CMakeLists.txt
+index b0bdbe3..6c4564c 100644
+--- a/src/openboardview/CMakeLists.txt
++++ b/src/openboardview/CMakeLists.txt
+@@ -44,6 +44,7 @@ include_directories(
+ 	${CMAKE_CURRENT_SOURCE_DIR}
+ 	${CMAKE_CURRENT_SOURCE_DIR}/..
+ 	${IMGUI_INCLUDE_DIRS}
++	${UTF8_INCLUDE_DIR}
+ 	${GLAD_INCLUDE_DIRS}
+ 	${GTK_INCLUDE_DIRS}
+ 	${OPENGL_INCLUDE_DIR}
+-- 
+2.34.0
+
-- 
2.34.0

[bug#53634] [PATCH 0/4] gnu: Add openboardview.

[Ludovic Courtès]

Hi!

Maxim Cournoyer <maxim.cournoyer@gmail.com> skribis:

> I've finally got around to getting this to build and run.  I got interested in
> it when wanting to view board files for an X200 (libreboot-related).
>
> Enjoy,
>
> Maxim Cournoyer (4):
>   gnu: Add imgui.
>   gnu: Add glad.
>   gnu: Add utf8-h.
>   gnu: Add openboardview.

I haven’t actually tried it but the patch series LGTM!

Thanks,
Ludo’.

bug#53634: [PATCH 0/4] gnu: Add openboardview.

[Maxim Cournoyer]

Hello!

Ludovic Courtès <ludo@gnu.org> writes:

> Hi!
>
> Maxim Cournoyer <maxim.cournoyer@gmail.com> skribis:
>
>> I've finally got around to getting this to build and run.  I got interested in
>> it when wanting to view board files for an X200 (libreboot-related).
>>
>> Enjoy,
>>
>> Maxim Cournoyer (4):
>>   gnu: Add imgui.
>>   gnu: Add glad.
>>   gnu: Add utf8-h.
>>   gnu: Add openboardview.
>
> I haven’t actually tried it but the patch series LGTM!

Thanks!  I noticed I had forogetten to register the new
gnu/packages/toolkits.scm file I added for imgui; I fixed that and
pushed as 32ccbc3a1e.

Thank you!

Maxim