1 # SUBARCH tells the usermode build what the underlying arch is. That is set 2 # first, and if a usermode build is happening, the "ARCH=um" on the command 3 # line overrides the setting of ARCH below. If a native build is happening, 4 # then ARCH is assigned, getting whatever value it gets normally, and 5 # SUBARCH is subsequently ignored. 6 7 SUBARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \ 8 -e s/sun4u/sparc64/ \ 9 -e /^arm64$$/!s/arm.*/arm/ -e s/sa110/arm/ \ 10 -e s/s390x/s390/ \ 11 -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ 12 -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \ 13 -e s/riscv.*/riscv/ -e s/loongarch.*/loongarch/)
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