At this point in time, using DWARF-5 format isn't easy to do by default with all toolchains that we support. And relying on the implicit default can lead to mixing 4 and 5 and then the debug info not being useful to tools. For now, enforce using DWARF-4 only.
Signed-off-by: Tom Rini trini@konsulko.com --- Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile index 47dbdcc6ae3d..eb7a8b90230e 100644 --- a/Makefile +++ b/Makefile @@ -761,10 +761,10 @@ KBUILD_CFLAGS += $(call cc-disable-warning, maybe-uninitialized) # change __FILE__ to the relative path from the srctree KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
-KBUILD_CFLAGS += -g +KBUILD_CFLAGS += -gdwarf-4 # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> # option to the assembler. -KBUILD_AFLAGS += -g +KBUILD_AFLAGS += -gdwarf-4
# Report stack usage if supported # ARC tools based on GCC 7.1 has an issue with stack usage