um: Run host archheaders, allow use of host generated headers
authorH. Peter Anvin <hpa@linux.intel.com>
Tue, 6 Dec 2011 00:03:30 +0000 (16:03 -0800)
committerH. Peter Anvin <hpa@linux.intel.com>
Tue, 6 Dec 2011 00:03:30 +0000 (16:03 -0800)
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

index 7730af6ec13feba4898ca3a8e85e3e416c57c33d..00210e9bf202e53eb4ceca0f527f8b4e03a80c97 100644 (file)
@@ -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