- fix build on big endian arches, patch by Jakub Cajka from #1185298

glm-0.9.6.1-bigendian.patch

@@ -0,0 +1,29 @@
+diff -up glm/glm/detail/func_integer.inl.befix glm/glm/detail/func_integer.inl
+--- glm/glm/detail/func_integer.inl.befix	2015-01-28 08:44:30.468627717 +0100
++++ glm/glm/detail/func_integer.inl	2015-01-28 08:46:19.990024091 +0100
+@@ -248,10 +248,8 @@ namespace detail
+ 		GLM_STATIC_ASSERT(sizeof(uint) == sizeof(uint32), "uint and uint32 size mismatch");
+ 
+ 		uint64 Value64 = static_cast<uint64>(x) * static_cast<uint64>(y);
+-		uint32* PointerMSB = (reinterpret_cast<uint32*>(&Value64) + 1);
+-		msb = *PointerMSB;
+-		uint32* PointerLSB = (reinterpret_cast<uint32*>(&Value64) + 0);
+-		lsb = *PointerLSB;
++		msb = Value64 >> 32;
++		lsb = Value64;
+ 	}
+ 
+ 	template <precision P, template <typename, precision> class vecType>
+@@ -270,10 +268,8 @@ namespace detail
+ 		GLM_STATIC_ASSERT(sizeof(int) == sizeof(int32), "int and int32 size mismatch");
+ 
+ 		int64 Value64 = static_cast<int64>(x) * static_cast<int64>(y);
+-		int32* PointerMSB = (reinterpret_cast<int32*>(&Value64) + 1);
+-		msb = *PointerMSB;
+-		int32* PointerLSB = (reinterpret_cast<int32*>(&Value64));
+-		lsb = *PointerLSB;
++		msb = Value64 >> 32;
++		lsb = Value64;
+ 	}
+ 
+ 	template <precision P, template <typename, precision> class vecType>

glm.spec

@@ -3,7 +3,7 @@
 
 Name:           glm
 Version:        0.9.6.1
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        C++ mathematics library for graphics programming
 
 License:        MIT
@@ -11,6 +11,8 @@ URL:            http://glm.g-truc.net/
 Source0:        http://downloads.sourceforge.net/ogl-math/%{name}-%{version}/%{name}-%{version}.zip
 Patch0:         glm-0.9.5.2-smallercount.patch
 Patch1:         glm-0.9.6.1-ulp.patch
+# https://bugzilla.redhat.com/show_bug.cgi?id=1185298
+Patch2:         glm-0.9.6.1-bigendian.patch
 
 BuildRequires:  cmake
 
@@ -75,6 +77,7 @@ sed -i 's/\r//' doc/api/tabs.css
 
 %patch0 -p1 -b .smallercount
 %patch1 -p1 -b .ulp
+%patch2 -p1 -b .bigendian
 
 %build
 mkdir build
@@ -111,6 +114,9 @@ rm $RPM_BUILD_ROOT%{_libdir}/cmake/FindGLM.cmake
 %doc doc/api/
 
 %changelog
+* Wed Jan 28 2015 Dan Horák <dan[at]danny.cz> - 0.9.6.1-2
+- fix build on big endian arches, patch by Jakub Cajka from #1185298
+
 * Tue Jan 06 2015 Joonas Sarajärvi <muep@iki.fi> - 0.9.6.1-1
 - Update to upstream GLM version 0.9.6.1