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Quelle  Kbuild   Sprache: unbekannt

 
# SPDX-License-Identifier: GPL-2.0
#
# Kbuild for top-level directory of the kernel

# 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__)

# Check for missing system calls

quiet_cmd_syscalls = CALL    $<
      cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags)

PHONY += missing-syscalls
missing-syscalls: scripts/checksyscalls.sh $(offsets-file)
 $(call cmd,syscalls)

# 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 += prepare
prepare: $(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/

[ Dauer der Verarbeitung: 0.2 Sekunden  (vorverarbeitet)  ]

                                                                                                                                                                                                                                                                                                                                                                                                     


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