52 lines
1.4 KiB
Makefile
52 lines
1.4 KiB
Makefile
|
# SPDX-License-Identifier: GPL-2.0-only
|
||
|
|
|
||
|
|
PHONY := __default
|
||
|
|
__default: vmlinux
|
||
|
|
|
||
|
|
include include/config/auto.conf
|
||
|
|
include $(srctree)/scripts/Kbuild.include
|
||
|
|
|
||
|
|
# for c_flags
|
||
|
|
include $(srctree)/scripts/Makefile.lib
|
||
|
|
|
||
|
|
targets :=
|
||
|
|
|
||
|
|
quiet_cmd_cc_o_c = CC $@
|
||
|
|
cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
|
||
|
|
|
||
|
|
%.o: %.c FORCE
|
||
|
|
$(call if_changed_dep,cc_o_c)
|
||
|
|
|
||
|
|
ifdef CONFIG_MODULES
|
||
|
|
targets += .vmlinux.export.o
|
||
|
|
vmlinux: .vmlinux.export.o
|
||
|
|
endif
|
||
|
|
|
||
|
|
ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
|
||
|
|
|
||
|
|
# Final link of vmlinux with optional arch pass after final link
|
||
|
|
cmd_link_vmlinux = \
|
||
|
|
$< "$(LD)" "$(KBUILD_LDFLAGS)" "$(LDFLAGS_vmlinux)"; \
|
||
|
|
$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
|
||
|
|
|
||
|
|
targets += vmlinux
|
||
|
|
vmlinux: scripts/link-vmlinux.sh vmlinux.o $(KBUILD_LDS) FORCE
|
||
|
|
+$(call if_changed_dep,link_vmlinux)
|
||
|
|
|
||
|
|
# Add FORCE to the prequisites of a target to force it to be always rebuilt.
|
||
|
|
# ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
PHONY += FORCE
|
||
|
|
FORCE:
|
||
|
|
|
||
|
|
# Read all saved command lines and dependencies for the $(targets) we
|
||
|
|
# may be building above, using $(if_changed{,_dep}). As an
|
||
|
|
# optimization, we don't need to read them if the target does not
|
||
|
|
# exist, we will rebuild anyway in that case.
|
||
|
|
|
||
|
|
existing-targets := $(wildcard $(sort $(targets)))
|
||
|
|
|
||
|
|
-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)
|
||
|
|
|
||
|
|
.PHONY: $(PHONY)
|