LINK_FLAGS " -Wl,-O3")
endif()
- if(LLVM_LINKER_IS_GOLD)
- # With gold gc-sections is always safe.
- set_property(TARGET ${target_name} APPEND_STRING PROPERTY
- LINK_FLAGS " -Wl,--gc-sections")
- # Note that there is a bug with -Wl,--icf=safe so it is not safe
- # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704.
- endif()
-
if(NOT LLVM_NO_DEAD_STRIP)
if(${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,-z,discard-unused=sections")
endif()
- elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD AND
- NOT CMAKE_SYSTEM_NAME MATCHES "OpenBSD|AIX|OS390")
- # 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.
+ elseif(NOT WIN32 AND NOT CMAKE_SYSTEM_NAME MATCHES "OpenBSD|AIX|OS390")
# TODO Revisit this later on z/OS.
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,--gc-sections")