fix cmake error

Signed-off-by: Christopher Decker <[email protected]>

Author: cdecker08

IGC/CMakeLists.txt

@@ -1717,19 +1717,19 @@ if(UNIX)
       DESTINATION ${CMAKE_CURRENT_SOURCE_DIR}
   )
 
-  if(TARGET ${IGC_BUILD__PROJ__AdaptorDx10})
+  if(IGC_BUILD__PROJ__AdaptorDx10 AND TARGET ${IGC_BUILD__PROJ__AdaptorDx10})
       set(IGC_BUILD__PROJ_DX10_LIBRARY_NAME "$<TARGET_FILE:${IGC_BUILD__PROJ__AdaptorDx10}>")
   endif()
 
-  if(TARGET ${IGC_BUILD__PROJ__AdaptorDXIL})
+  if(IGC_BUILD__PROJ__AdaptorDXIL AND TARGET ${IGC_BUILD__PROJ__AdaptorDXIL})
       set(IGC_BUILD__PROJ_DXIL_LIBRARY_NAME "$<TARGET_FILE:${IGC_BUILD__PROJ__AdaptorDXIL}>")
   endif()
 
-  if(TARGET ${IGC_BUILD__PROJ__BiFLib_OCL})
+  if(IGC_BUILD__PROJ__BiFLib_OCL AND TARGET ${IGC_BUILD__PROJ__BiFLib_OCL})
       set(IGC_BUILD__PROJ_BIF_LIBRARY_NAME "$<TARGET_FILE:${IGC_BUILD__PROJ__BiFLib_OCL}>")
   endif()
 
-  if(TARGET ${IGC_BUILD__PROJ__VulkanFrontend})
+  if(IGC_BUILD__PROJ__VulkanFrontend AND TARGET ${IGC_BUILD__PROJ__VulkanFrontend})
       set(IGC_BUILD__PROJ_VULKAN_FE_LIBRARY_NAME "$<TARGET_FILE:${IGC_BUILD__PROJ__VulkanFrontend}>")
   endif()