[CMake] Generalize ROOTTEST_LINKER_LIBRARY macro

Author: guitargeek

cmake/modules/RootMacros.cmake

@@ -3424,11 +3424,13 @@ endfunction()
 #---------------------------------------------------------------------------------------------------
 function(ROOTTEST_LINKER_LIBRARY library)
    ROOT_LINKER_LIBRARY(${ARGV})
-   if(MSVC AND NOT CMAKE_GENERATOR MATCHES Ninja)
-      add_custom_command(TARGET ${library} POST_BUILD
-         COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>/lib${library}.dll
-                                          ${CMAKE_CURRENT_BINARY_DIR}/lib${library}.dll
-         COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>/lib${library}.lib
-                                           ${CMAKE_CURRENT_BINARY_DIR}/lib${library}.lib)
-   endif()
+
+   add_custom_command(TARGET ${library} POST_BUILD
+      COMMAND ${CMAKE_COMMAND} -E copy_if_different
+              $<TARGET_FILE:${library}>
+              ${CMAKE_CURRENT_BINARY_DIR}/$<TARGET_FILE_NAME:${library}>
+      COMMAND ${CMAKE_COMMAND} -E copy_if_different
+              $<TARGET_LINKER_FILE:${library}>
+              ${CMAKE_CURRENT_BINARY_DIR}/$<TARGET_LINKER_FILE_NAME:${library}>
+   )
 endfunction()