Made assimp-lean windows compatible

CMakeLists.txt

@@ -6,7 +6,13 @@ file(GLOB_RECURSE HEADER_FILES "*.hh" "*.h" "*.hpp" "*.inl")
 
 add_subdirectory(contrib/zlib)
 
-add_library(assimp SHARED ${SOURCE_FILES} ${HEADER_FILES})
+if(MSVC)
+    set(ASSIMP_LINK_TYPE STATIC)
+else()
+    set(ASSIMP_LINK_TYPE SHARED)
+endif()
+
+add_library(assimp ${ASSIMP_LINK_TYPE} ${SOURCE_FILES} ${HEADER_FILES})
 
 if(MSVC)
     target_include_directories(assimp PUBLIC
@@ -23,6 +29,10 @@ if(NOT MSVC)
 	target_compile_options(assimp PUBLIC
 		$<$<COMPILE_LANGUAGE:CXX>:-std=c++11>
 	)
+else()
+    target_compile_options(assimp PUBLIC
+        /MP # multi processor compilation
+        )
 endif()
 
 target_compile_definitions(assimp PUBLIC