From dececca2fefcb47ad3878b004a1fd3a01a72e329 Mon Sep 17 00:00:00 2001
From: Felix Gruber <felgru@posteo.net>
Date: Mon, 3 Jan 2022 19:38:25 +0000
Subject: gnu: bullet: Build with double precision arithmetics.

* gnu/packages/game-development.scm (bullet)[arguments]: Add configure flag for
double precision arithmetics.

Signed-off-by: Leo Famulari <leo@famulari.name>
---
 gnu/packages/game-development.scm | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'gnu/packages/game-development.scm')

diff --git a/gnu/packages/game-development.scm b/gnu/packages/game-development.scm
index c77c445831..baf7f70641 100644
--- a/gnu/packages/game-development.scm
+++ b/gnu/packages/game-development.scm
@@ -144,6 +144,11 @@
                                "-DBUILD_CPU_DEMOS=OFF"
                                "-DBUILD_OPENGL3_DEMOS=OFF"
                                "-DBUILD_BULLET2_DEMOS=OFF"
+                               ;; openmw 0.47.0 requires bullet to be built with
+                               ;; double precision.
+                               ;; See <https://issues.guix.gnu.org/52953> for
+                               ;; more information.
+                               "-DUSE_DOUBLE_PRECISION=ON"
                                ;; Extras/BulletRoboticsGUI needs files from
                                ;; ThirdPartyLibs
                                "-DBUILD_BULLET_ROBOTICS_GUI_EXTRA=OFF"
-- 
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