[core] Explicit instantiate vec{2,3,4}<double>

src/mbgl/util/vec.cpp

@@ -0,0 +1,11 @@
+#include <mbgl/util/vec.hpp>
+
+namespace mbgl {
+
+template struct vec2<double>;
+template struct vec2<float>;
+
+template struct vec3<double>;
+template struct vec4<double>;
+
+} // namespace mbgl