diff --git a/bullet-compile-warning.patch b/bullet-compile-warning.patch
new file mode 100644
index 0000000..9c9338a
--- /dev/null
+++ b/bullet-compile-warning.patch
@@ -0,0 +1,42 @@
+From 886650a038f610081d9fe420f64d23d89b9a139c Mon Sep 17 00:00:00 2001
+From: "erwin.coumans@gmail.com"
+ <erwin.coumans@gmail.com@08e121b0-ae19-0410-a57b-3be3395fd4fd>
+Date: Sun, 17 Nov 2013 20:13:50 +0000
+Subject: [PATCH] fix 'unused' warning. Fixes Issue 770
+
+---
+ src/LinearMath/btScalar.h | 9 +++++++++
+ 1 file changed, 9 insertions(+)
+
+diff --git a/src/LinearMath/btScalar.h b/src/LinearMath/btScalar.h
+index 37c6dec191..225d49f3ff 100644
+--- a/src/LinearMath/btScalar.h
++++ b/src/LinearMath/btScalar.h
+@@ -284,6 +284,10 @@ static int btNanMask = 0x7F800001;
+ #ifndef BT_INFINITY
+ static  int btInfinityMask = 0x7F800000;
+ #define BT_INFINITY (*(float*)&btInfinityMask)
++inline int btGetInfinityMask()//suppress stupid compiler warning
++{
++	return btInfinityMask;
++}
+ #endif
+ 
+ //use this, in case there are clashes (such as xnamath.h)
+@@ -336,6 +340,10 @@ inline __m128 operator * (const __m128 A, const __m128 B)
+ 	#ifndef BT_INFINITY
+ 	static  int btInfinityMask = 0x7F800000;
+ 	#define BT_INFINITY (*(float*)&btInfinityMask)
++	inline int btGetInfinityMask()//suppress stupid compiler warning
++	{
++		return btInfinityMask;
++	}
+ 	#endif
+ #endif//BT_USE_NEON
+ 
+@@ -728,4 +736,5 @@ template <typename T>T* btAlignPointer(T* unalignedPtr, size_t alignment)
+ 	return converter.ptr;
+ }
+ 
++
+ #endif //BT_SCALAR_H
diff --git a/bullet.spec b/bullet.spec
index 61c2fe3..cb12272 100644
--- a/bullet.spec
+++ b/bullet.spec
@@ -2,7 +2,7 @@
 
 Name: bullet
 Version: 2.82
-Release: 2%{?dist}
+Release: 3%{?dist}
 Summary: 3D Collision Detection and Rigid Body Dynamics Library
 Group: Development/Libraries
 License: zlib and MIT and BSD
@@ -22,6 +22,10 @@ BuildRequires: cmake
 BuildRequires: freeglut-devel
 BuildRequires: libICE-devel
 
+# Patch to silence some compiler warnings.
+# Backport of upstream 886650a03
+# rhbz#1856910
+Patch0: bullet-compile-warning.patch
 
 %description
 Bullet is a 3D Collision Detection and Rigid Body Dynamics Library for games
@@ -59,6 +63,7 @@ Development headers and libraries for %{name} extra libraries.
 
 %prep
 %setup -q -n %{name}-%{version}-r%{svnrev}
+%patch0 -p1
 
 # Set these files to right permission
 chmod 644 src/LinearMath/btPoolAllocator.h
@@ -157,15 +162,19 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/libBulletXmlWorldImporter.so
 
 %changelog
-* Fri May 16 2014 Rich Mattes <richmattes@gmail.com> - 2.82-2
+* Wed Jul 29 2020 Rich Mattes <richmattes@gmail.com> - 2.82-3
+- Apply upstream patch for compiler warnings (rhbz#1856910)
+
+* Sun Sep 07 2014 Rich Mattes <richmattes@gmail.com> - 2.82-2
 - Install all of the bullet extras (rhbz#1097452)
 - Spec file cleanup
 
-* Sun Feb 09 2014 Rich Mattes <richmattes@gmail.com> - 2.82-1
+* Wed May 28 2014 Rich Mattes <richmattes@gmail.com> - 2.82-1
 - Update to version 2.82
 
-* Sat Aug 03 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.81-3
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild
+* Sun May 18 2014 Rich Mattes <richmattes@gmail.com> - 2.81-3
+- Fix installation of bullet extras (rhbz#1097452)
+- Spec file cleanup
 
 * Wed Feb 13 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.81-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild