diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2021-11-05 12:10:27 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2021-11-05 12:10:27 +0100 |
| commit | 820e9906cf64142169134f35b996108303cf22ca (patch) | |
| tree | 89f8831fb39c59aba208395d91e25ab4b26f473f /scripts/Makefile.lib | |
| parent | b9865081a56a5cd01cd7c9735911709ff82bd8df (diff) | |
| parent | 2ea5999d07d2a0ab6ad92ccf65524707f2c5e456 (diff) | |
Merge branch 'for-5.16/asus' into for-linus
Diffstat (limited to 'scripts/Makefile.lib')
| -rw-r--r-- | scripts/Makefile.lib | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index c57f14ac6f99..54582673fc1a 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -225,17 +225,23 @@ dtc_cpp_flags = -Wp,-MMD,$(depfile).pre.tmp -nostdinc \ $(addprefix -I,$(DTC_INCLUDE)) \ -undef -D__DTS__ +ifeq ($(CONFIG_LTO_CLANG),y) +# With CONFIG_LTO_CLANG, .o files in modules might be LLVM bitcode, so we +# need to run LTO to compile them into native code (.lto.o) before further +# processing. +mod-prelink-ext := .lto +endif + # Objtool arguments are also needed for modfinal with LTO, so we define # then here to avoid duplication. objtool_args = \ $(if $(CONFIG_UNWINDER_ORC),orc generate,check) \ - $(if $(part-of-module), --module,) \ + $(if $(part-of-module), --module) \ $(if $(CONFIG_FRAME_POINTER),, --no-fp) \ - $(if $(or $(CONFIG_GCOV_KERNEL),$(CONFIG_LTO_CLANG)), \ - --no-unreachable,) \ - $(if $(CONFIG_RETPOLINE), --retpoline,) \ - $(if $(CONFIG_X86_SMAP), --uaccess,) \ - $(if $(CONFIG_FTRACE_MCOUNT_USE_OBJTOOL), --mcount,) + $(if $(CONFIG_GCOV_KERNEL)$(CONFIG_LTO_CLANG), --no-unreachable)\ + $(if $(CONFIG_RETPOLINE), --retpoline) \ + $(if $(CONFIG_X86_SMAP), --uaccess) \ + $(if $(CONFIG_FTRACE_MCOUNT_USE_OBJTOOL), --mcount) # Useful for describing the dependency of composite objects # Usage: |