ifeq ($(subdir),misc) sysdep_headers += sys/elf.h endif ifeq ($(subdir),stdlib) gen-as-const-headers += ucontext_i.sym endif abi-variants := lp64 abi-variants += lp64_be ifeq (,$(filter $(default-abi),$(abi-variants))) Unknown ABI, must be one of $(abi-variants) endif abi-lp64-condition := !defined __AARCH64EB__ abi-lp64_be-condition := defined __AARCH64EB__