Enable for GNU linker warnings for unused libraries

AIDASoft · Mar 10, 2021 · 6fc4479 · 6fc4479
1 parent 57bdfda
commit 6fc4479
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/cmake/DD4hepBuild.cmake b/cmake/DD4hepBuild.cmake
@@ -84,6 +84,7 @@ macro(dd4hep_set_compiler_flags)
   execute_process(COMMAND ${CMAKE_CXX_COMPILER} -Wl,--version OUTPUT_VARIABLE stdout ERROR_QUIET)
   if("${stdout}" MATCHES "GNU ")
     set(LINKER_TYPE "GNU")
+    set(CMAKE_LINK_WHAT_YOU_USE TRUE)
     dd4hep_debug("|DDD> Detected GNU compatible linker: ${stdout}" )
   else()
     execute_process(COMMAND ${CMAKE_CXX_COMPILER} -Wl,-v ERROR_VARIABLE stderr )