With GNU linker use as-needed for linking

AIDASoft · Mar 12, 2021 · 166f230 · 166f230
1 parent 632a274
commit 166f230
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cmake/DD4hepBuild.cmake b/cmake/DD4hepBuild.cmake
@@ -99,7 +99,7 @@ macro(dd4hep_set_compiler_flags)
   if("${LINKER_TYPE}" STREQUAL "APPLE")
     SET ( CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-undefined,error")
   elseif("${LINKER_TYPE}" STREQUAL "GNU")
-    SET ( CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined")
+    SET ( CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined,--as-needed")
   else()
     MESSAGE( WARNING "No known linker (GNU or Apple) has been detected, pass no flags to linker" )
   endif()