On Thu, May 20, 2021 at 01:24:03PM +0200, Marek Behún wrote: > Add plumbing for building U-Boot with Link Time Optimizations. > > When building with LTO, $(PLATFORM_LIBS) has to be in --whole-archive / > --no-whole-archive group, otherwise some functions declared in assembly > may not be resolved and linking may fail. > > Note: clang may throw away linker list symbols it thinks are unused when > compiling with LTO. To force these symbols to be included, we refer to > them via the __ADDRESSABLE macro in a C file generated from compiled > built-in.o files before linking. > > Signed-off-by: Marek Behún <marek.be...@nic.cz> > Reviewed-by: Simon Glass <s...@chromium.org>
Applied to u-boot/master, thanks! -- Tom
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