[bug#41263] [PATCH] gnu: Add openctm

[Ekaitz Zarraga <ekaitz@elenq.tech>]

Hi,

Adding OpenCTM as discussed here:

https://issues.guix.gnu.org/issue/40492

Regards,
Ekaitz
---

From 8bbac5bccdb0b2fd5ffa8fe1e2dec25a6a359810 Mon Sep 17 00:00:00 2001
From: Ekaitz Zarraga <ekaitz@elenq.tech>
Date: Thu, 14 May 2020 16:55:32 +0200
Subject: [PATCH] gnu: Add openctm

    * gnu/packages/engineering.scm (openctm): New Variable.
---
 gnu/packages/engineering.scm | 59 ++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/gnu/packages/engineering.scm b/gnu/packages/engineering.scm
index 172f8481eb..e3e346b1e9 100644
--- a/gnu/packages/engineering.scm
+++ b/gnu/packages/engineering.scm
@@ -17,6 +17,7 @@
 ;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
 ;;; Copyright © 2020 Vincent Legoll <vincent.legoll@gmail.com>
 ;;; Copyright © 2020 Marius Bakke <mbakke@fastmail.com>
+;;; Copyright © 2020 Ekaitz Zarraga <ekaitz@elenq.tech>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -38,6 +39,7 @@
   #:use-module (guix download)
   #:use-module (guix gexp)
   #:use-module (guix git-download)
+  #:use-module (guix svn-download)
   #:use-module (guix monads)
   #:use-module (guix store)
   #:use-module (guix utils)
@@ -2533,3 +2535,60 @@ without any changes.  And programmers that are familiar with the magellan API
 can continue using it with a free library without the restrictions of the
 official SDK.")
     (license license:bsd-3)))
+
+(define-public openctm
+  (let ((revision 603))
+    ; Previous versions don't compile, they need to link libGL and libGLU.
+    ; Fixed in this revision.
+    (package
+      (name "openctm")
+      (version (number->string revision))
+      (source
+        (origin
+          (method svn-fetch)
+          (uri
+            (svn-reference
+              (url "https://svn.code.sf.net/p/openctm/code/trunk")
+              (revision revision)))
+          (sha256
+            (base32 "01wb70m48xh5gwhv60a5brv4sxl0i0rh038w32cgnlxn5x86s9f1"))))
+      (build-system gnu-build-system)
+      (native-inputs
+        `(("mesa" ,mesa)
+          ("glu" ,glu)
+          ("glut" ,freeglut)
+          ("gtk" ,gtk+-2)
+          ("pkg-config" ,pkg-config)))
+      (arguments
+        `(#:tests? #f
+          #:phases
+          (modify-phases
+            %standard-phases
+            (replace
+              'configure
+              (lambda* (#:key outputs #:allow-other-keys)
+                (rename-file "Makefile.linux" "Makefile") ; Use linux Makefile
+                (let ((out (assoc-ref outputs "out")))
+                  ; Create output directories
+                  (mkdir-p (string-append out "/lib"))
+                  (mkdir-p (string-append out "/include"))
+                  (mkdir-p (string-append out "/bin"))
+                  ; Fix rpath
+                  (substitute* "tools/Makefile.linux"
+                               (("-rpath,\\.")
+                                (string-append "-rpath," out "/lib/"))
+                               (("\\/usr\\/local")
+                                out))
+                  ; Set right output
+                  (substitute* "Makefile"
+                               (("\\/usr\\/lib")
+                                (string-append out "/lib"))
+                               (("\\/usr\\/local")
+                                out))))))))
+      (synopsis "3D triangle mesh format and related tools and libraries")
+      (description "OpenCTM is a file format, a software library and a tool set
+for compression of 3D triangle meshes.  The geometry is compressed to a
+fraction of comparable file formats (3DS, STL, COLLADA...), and the format is
+accessible through a simple API")
+      (license license:zlib)
+      (home-page "http://openctm.sourceforge.net/"))))
--
2.26.1