4 files changed, 11 insertions, 4 deletions
diff --git a/src/common/quaternion.h b/src/common/quaternion.h
index 84ac82ed3..77f626bcb 100644
--- a/src/common/quaternion.h
+++ b/src/common/quaternion.h
@@ -30,6 +30,11 @@ public:
         return {xyz * other.w + other.xyz * w + Cross(xyz, other.xyz),
                 w * other.w - Dot(xyz, other.xyz)};
     }
+
+    Quaternion<T> Normalized() const {
+        T length = std::sqrt(xyz.Length2() + w * w);
+        return {xyz / length, w / length};
+    }
 };
 
 template <typename T>
diff --git a/src/common/scm_rev.cpp.in b/src/common/scm_rev.cpp.in
index 0080db5d5..4083095d5 100644
--- a/src/common/scm_rev.cpp.in
+++ b/src/common/scm_rev.cpp.in
@@ -8,6 +8,7 @@
 #define GIT_BRANCH   "@GIT_BRANCH@"
 #define GIT_DESC     "@GIT_DESC@"
 #define BUILD_NAME   "@REPO_NAME@"
+#define BUILD_DATE   "@BUILD_DATE@"
 
 namespace Common {
 
@@ -15,6 +16,7 @@ const char g_scm_rev[]      = GIT_REV;
 const char g_scm_branch[]   = GIT_BRANCH;
 const char g_scm_desc[]     = GIT_DESC;
 const char g_build_name[]   = BUILD_NAME;
+const char g_build_date[]   = BUILD_DATE;
 
 } // namespace
 
diff --git a/src/common/scm_rev.h b/src/common/scm_rev.h
index e22389803..18aaa1735 100644
--- a/src/common/scm_rev.h
+++ b/src/common/scm_rev.h
@@ -10,5 +10,6 @@ extern const char g_scm_rev[];
 extern const char g_scm_branch[];
 extern const char g_scm_desc[];
 extern const char g_build_name[];
+extern const char g_build_date[];
 
 } // namespace
diff --git a/src/common/vector_math.h b/src/common/vector_math.h
index c7a461a1e..6e2a5ad60 100644
--- a/src/common/vector_math.h
+++ b/src/common/vector_math.h
@@ -31,7 +31,6 @@
 #pragma once
 
 #include <cmath>
-#include <type_traits>
 
 namespace Math {
 
@@ -90,7 +89,7 @@ public:
         x -= other.x;
         y -= other.y;
     }
-    template <typename Q = T, class = typename std::enable_if<std::is_signed<Q>::value>::type>
+
     Vec2<decltype(-T{})> operator-() const {
         return MakeVec(-x, -y);
     }
@@ -247,7 +246,7 @@ public:
         y -= other.y;
         z -= other.z;
     }
-    template <typename Q = T, class = typename std::enable_if<std::is_signed<Q>::value>::type>
+
     Vec3<decltype(-T{})> operator-() const {
         return MakeVec(-x, -y, -z);
     }
@@ -462,7 +461,7 @@ public:
         z -= other.z;
         w -= other.w;
     }
-    template <typename Q = T, class = typename std::enable_if<std::is_signed<Q>::value>::type>
+
     Vec4<decltype(-T{})> operator-() const {
         return MakeVec(-x, -y, -z, -w);
     }