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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253# SPDX-License-Identifier: GPL-2.0HOSTARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \ -e s/sun4u/sparc/ -e s/sparc64/sparc/ \ -e /arm64/!s/arm.*/arm/ -e s/sa110/arm/ \ -e s/s390x/s390/ -e s/parisc64/parisc/ \ -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \ -e s/riscv.*/riscv/ -e s/loongarch.*/loongarch/)
ifeq ($(strip $(ARCH)),)override ARCH := $(HOSTARCH)endif
SRCARCH := $(ARCH)
# Additional ARCH settings for x86ifeq ($(ARCH),i386) SRCARCH := x86endififeq ($(ARCH),x86_64) SRCARCH := x86endif
# Additional ARCH settings for sparcifeq ($(ARCH),sparc32) SRCARCH := sparcendififeq ($(ARCH),sparc64) SRCARCH := sparcendif
# Additional ARCH settings for loongarchifeq ($(ARCH),loongarch32) SRCARCH := loongarchendif
ifeq ($(ARCH),loongarch64) SRCARCH := loongarchendif
# Probe for __LP64__ only when the compiler is installed: this runs at# parse time for every target, including ones that never compile, e.g.# install-build-deps, and would otherwise spew "gcc: not found" when the# compiler is not yet installed. Only the first word of CC is consulted,# as CC may carry arguments, e.g. 'ccache gcc'. When the guard fails it# prints nothing, leaving LP64 unset, as if the probe had failed.LP64 := $(shell if command -v $(firstword ${CC}) >/dev/null 2>&1; then echo __LP64__ | ${CC} ${CFLAGS} -E -x c -; fi | tail -n 1)ifeq ($(LP64), 1) IS_64_BIT := 1else IS_64_BIT := 0endif