efi_loader: use freestanding library for efi apps
GCC requires that freestanding programs provide memcpy(), memmove(), memset(), and memcmp(). Add the library functions when building a *.efi files. The EFI selftests might use other compilation flags. So use a symbolic link to provide lib/efi_selftest/efi_freestanding.c and compile it separately. Reported-by: NAlexander Graf <agraf@suse.de> Fixes: 5be444d14b38 ("efi_loader: consistent build flags for EFI applications") Signed-off-by: NHeinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: NAlexander Graf <agraf@suse.de>
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