Subject: [bug#49713] [PATCH 3/3 v2] gnu: Add prusa-slicer.

From: Ivan Gankevich <[email-masked]>
Date: Mon, 20 Sep 2021 00:38:40 +0300

* gnu/packages/engineering.scm (prusa-slicer): New variable.
---
 gnu/packages/engineering.scm | 83 ++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)

diff --git a/gnu/packages/engineering.scm b/gnu/packages/engineering.scm
index 2c22cc3278..3f7d087269 100644
--- a/gnu/packages/engineering.scm
+++ b/gnu/packages/engineering.scm
@@ -24,6 +24,7 @@
 ;;; Copyright © 2021 qblade <[email-masked]>
 ;;; Copyright © 2021 Gerd Heber <[email-masked]>
 ;;; Copyright © 2021 Guillaume Le Vaillant <[email-masked]>
+;;; Copyright © 2021 Ivan Gankevich <[email-masked]>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -95,6 +96,7 @@
   #:use-module (gnu packages image-processing)
   #:use-module (gnu packages imagemagick)
   #:use-module (gnu packages libevent)
+  #:use-module (gnu packages libusb)
   #:use-module (gnu packages linux)               ;FIXME: for pcb
   #:use-module (gnu packages lisp)
   #:use-module (gnu packages m4)
@@ -2951,3 +2953,84 @@ a process.")
     (description "This library provides functionality for shape modelling,
 visualization, matrix manipulation.")
     (license (list license:gpl3 license:mpl2.0))))
+
+(define-public prusa-slicer
+  (package
+    (name "prusa-slicer")
+    (version "2.3.3")
+    (source
+      (origin
+        (method git-fetch)
+        (uri
+          (git-reference
+            (url "https://github.com/prusa3d/PrusaSlicer")
+            (commit (string-append "version_" version))))
+        (file-name (git-file-name name version))
+        (sha256 (base32 "0w0synqi3iz9aigsgv6x1c6sg123fasbx19h4w3ic1l48r8qmpwm"))
+        (modules '((guix build utils)))
+        (snippet
+          '(begin
+             ;; Remove bundled libraries that were not modified by Prusa Slicer developers.
+             (delete-file-recursively "src/hidapi")
+             (delete-file-recursively "src/eigen")
+             (delete-file-recursively "src/libigl/igl")))))
+    (build-system cmake-build-system)
+    (arguments
+      `(#:configure-flags
+        '("-DSLIC3R_FHS=1" ;; Use The Filesystem Hierarchy Standard.
+          "-DSLIC3R_GTK=3" ;; Use GTK+
+          "-DSLIC3R_WX_STABLE=1") ;; Use wxWidgets 3.0.x.x to prevent GUI crashes.
+        #:phases
+        (modify-phases %standard-phases
+          (add-before 'configure 'unbundle-3d-party-libraries
+            ;; Prusa slicer bundles a lot of dependencies in src/ directory.
+            ;; Most of them contain prusa-specific modifications (e.g. avrdude),
+            ;; but others do not. Here we replace the latter with Guix packages.
+            (lambda _
+              (substitute* "src/CMakeLists.txt"
+                (("add_subdirectory\\(libigl\\)" all)
+                 (string-append
+                   all "\ninclude_directories(libigl INTERFACE libigl::core)"))
+                (("add_subdirectory\\(hidapi\\)")
+                 "pkg_check_modules(HIDAPI REQUIRED hidapi-hidraw)")
+                (("include_directories\\(hidapi/include\\)")
+                 "include_directories()"))
+              ;; Do not link with bundled hidapi library.
+              (substitute* "src/slic3r/CMakeLists.txt"
+                (("add_library\\(libslic3r_gui.*" all)
+                 (string-append
+                   all
+                   "\ntarget_include_directories(libslic3r_gui PUBLIC ${HIDAPI_INCLUDE_DIRS})\n"))
+                (("\\bhidapi\\b") "${HIDAPI_LIBRARIES}")))))))
+    (native-inputs
+      `(("pkg-config" ,pkg-config)))
+    (inputs
+      `(("boost" ,boost)
+        ("cereal" ,cereal)
+        ("cgal" ,cgal)
+        ("curl" ,curl)
+        ("dbus" ,dbus)
+        ("eigen" ,eigen)
+        ("expat" ,expat)
+        ("glew" ,glew)
+        ("glib" ,glib)
+        ("gmp" ,gmp)
+        ("gtk" ,gtk+)
+        ("hidapi" ,hidapi)
+        ("ilmbase" ,ilmbase)
+        ("libigl" ,libigl)
+        ("libpng" ,libpng)
+        ("mesa" ,mesa)
+        ("mpfr" ,mpfr)
+        ("nlopt" ,nlopt)
+        ("openvdb" ,openvdb)
+        ("pango" ,pango)
+        ("tbb" ,tbb)
+        ("udev" ,eudev)
+        ("wxwidgets" ,wxwidgets)
+        ("zlib" ,zlib)))
+    (home-page "https://www.prusa3d.com/prusaslicer/")
+    (synopsis "G-code generator for 3D printers (RepRap, Makerbot, Ultimaker etc.)")
+    (description "PrusaSlicer takes 3D models (STL, OBJ, AMF) and converts them into
+G-code instructions for FFF printers or PNG layers for mSLA 3D printers.")
+    (license license:agpl3)))
-- 
2.32.0