+ # Note that there is a bug with -Wl,--icf=safe so it is not safe
+ # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704.
+ endif()
+
+ if(NOT LLVM_NO_DEAD_STRIP)
+ if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+ # ld64's implementation of -dead_strip breaks tools that use plugins.
+ set_property(TARGET ${target_name} APPEND_STRING PROPERTY
+ LINK_FLAGS " -Wl,-dead_strip")
+ elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD)
+ # Object files are compiled with -ffunction-data-sections.
+ # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks
+ # tools that use plugins. Always pass --gc-sections once we require
+ # a newer linker.
+ set_property(TARGET ${target_name} APPEND_STRING PROPERTY
+ LINK_FLAGS " -Wl,--gc-sections")
+ endif()