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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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# Prepare global headers and check sanity before descending into sub-directories# ---------------------------------------------------------------------------
# Generate bounds.h
bounds-file := include/generated/bounds.h
targets := kernel/bounds.s
$(bounds-file): kernel/bounds.s FORCE $(call filechk,offsets,__LINUX_BOUNDS_H__)
# Generate timeconst.h
timeconst-file := include/generated/timeconst.h
filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $<
$(timeconst-file): kernel/time/timeconst.bc FORCE $(call filechk,gentimeconst)
# Generate asm-offsets.h
offsets-file := include/generated/asm-offsets.h
targets += arch/$(SRCARCH)/kernel/asm-offsets.s
arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file)
$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE $(call filechk,offsets,__ASM_OFFSETS_H__)
# Generate rq-offsets.h
rq-offsets-file := include/generated/rq-offsets.h
targets += kernel/sched/rq-offsets.s
kernel/sched/rq-offsets.s: $(offsets-file)
$(rq-offsets-file): kernel/sched/rq-offsets.s FORCE $(call filechk,offsets,__RQ_OFFSETS_H__)
# Check for missing system calls
missing-syscalls-file := .tmp_missing-syscalls$(missing_syscalls_instance)
targets += $(missing-syscalls-file)
quiet_cmd_syscalls = CALL $< $(addprefix for ,$(missing_syscalls_instance)) cmd_syscalls = DEPFILE=$(depfile) $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags); touch $@
$(missing-syscalls-file): scripts/checksyscalls.sh $(rq-offsets-file) FORCE $(call if_changed_dep,syscalls)
PHONY += missing-syscallsmissing-syscalls: $(missing-syscalls-file)
# Check the manual modification of atomic headers
quiet_cmd_check_sha1 = CHKSHA1 $< cmd_check_sha1 = \ if ! command -v sha1sum >/dev/null; then \ echo "warning: cannot check the header due to sha1sum missing"; \ exit 0; \ fi; \ if [ "$$(sed -n '$$s:// ::p' $<)" != \ "$$(sed '$$d' $< | sha1sum | sed 's/ .*//')" ]; then \ echo "error: $< has been modified." >&2; \ exit 1; \ fi; \ touch $@
atomic-checks += $(addprefix $(obj)/.checked-, \ atomic-arch-fallback.h \ atomic-instrumented.h \ atomic-long.h)
targets += $(atomic-checks)$(atomic-checks): $(obj)/.checked-%: include/linux/atomic/% FORCE $(call if_changed,check_sha1)
# A phony target that depends on all the preparation targets
PHONY += prepareprepare: $(offsets-file) missing-syscalls $(atomic-checks) @:
# Ordinary directory descending# ---------------------------------------------------------------------------
obj-y += init/obj-y += usr/obj-y += arch/$(SRCARCH)/obj-y += $(ARCH_CORE)obj-y += kernel/obj-y += certs/obj-y += mm/obj-y += fs/obj-y += ipc/obj-y += security/obj-y += crypto/obj-$(CONFIG_BLOCK) += block/obj-$(CONFIG_IO_URING) += io_uring/obj-$(CONFIG_RUST) += rust/obj-y += $(ARCH_LIB)obj-y += drivers/obj-y += sound/obj-$(CONFIG_SAMPLES) += samples/obj-$(CONFIG_NET) += net/obj-y += virt/obj-y += $(ARCH_DRIVERS)obj-$(CONFIG_DRM_HEADER_TEST) += include/