um: Run host archheaders, allow use of host generated headers (c9b284b2) · Commits · 戴 / test

Run the "archheaders" target for the host architecture, for architectures (like x86, now) that want to generate some of the necessary header files. Add $(HOST_DIR)/include/generated to the include path so we then pick them up. Signed-off-by:

H. Peter Anvin <hpa@linux.intel.com>

arch/um/Makefile

+6 −1

Original line number	Diff line number	Diff line
		@@ -64,7 +64,8 @@ USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -D__KERNEL__,,\
		#This will adjust *FLAGS accordingly to the platform.
		include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)

		KBUILD_CPPFLAGS += -I$(srctree)/$(HOST_DIR)/include
		KBUILD_CPPFLAGS += -I$(srctree)/$(HOST_DIR)/include \
		-I$(HOST_DIR)/include/generated

		# -Derrno=kernel_errno - This turns all kernel references to errno into
		# kernel_errno to separate them from the libc errno. This allows -fno-common
		@@ -96,6 +97,10 @@ endef

		KBUILD_KCONFIG := $(HOST_DIR)/um/Kconfig

		archheaders:
		$(Q)$(MAKE) -C '$(KBUILD_SRC)' KBUILD_SRC= \
		ARCH=$(SUBARCH) O='$(objtree)' archheaders

		archprepare: include/generated/user_constants.h

		LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static

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