optimize CMakeLists.txt

CMakeLists.txt

@@ -351,7 +351,7 @@ ELSE()
 ENDIF()
 
 # Only generate this target if no higher-level project already has
-IF (NOT TARGET uninstall)
+IF (NOT TARGET uninstall AND ASSIMP_INSTALL)
   # add make uninstall capability
   CONFIGURE_FILE("${CMAKE_CURRENT_SOURCE_DIR}/cmake-modules/cmake_uninstall.cmake.in" "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake" IMMEDIATE @ONLY)
   ADD_CUSTOM_TARGET(uninstall "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")

code/CMakeLists.txt

@@ -1036,7 +1036,7 @@ ENDIF()
 # Check dependencies for glTF importer with Open3DGC-compression.
 # RT-extensions is used in "contrib/Open3DGC/o3dgcTimer.h" for collecting statistics. Pointed file
 # has implementation for different platforms: WIN32, __MACH__ and other ("else" block).
-FIND_PACKAGE(RT QUIET)
+FIND_PACKAGE(rt QUIET)
 IF (NOT ASSIMP_HUNTER_ENABLED AND (RT_FOUND OR MSVC))
   SET( ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC 1 )
   ADD_DEFINITIONS( -DASSIMP_IMPORTER_GLTF_USE_OPEN3DGC=1 )