[PATCH] uml: finish cross-build support
O=... builds support. Very easy, actually.
Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 642c75e..e1be293 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -44,6 +44,11 @@
endif
ARCH_INCLUDE := -I$(ARCH_DIR)/include
+ifneq ($(KBUILD_SRC),)
+ARCH_INCLUDE += -I$(ARCH_DIR)/include2
+ARCH_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include
+MRPROPER_DIRS += $(ARCH_DIR)/include2
+endif
SYS_DIR := $(ARCH_DIR)/include/sysdep-$(SUBARCH)
include $(srctree)/$(ARCH_DIR)/Makefile-$(SUBARCH)
@@ -94,7 +99,12 @@
echo ' find in the kernel root.'
endef
+ifneq ($(KBUILD_SRC),)
+$(shell mkdir -p $(ARCH_DIR) && ln -fsn $(srctree)/$(ARCH_DIR)/Kconfig_$(SUBARCH) $(ARCH_DIR)/Kconfig_arch)
+CLEAN_FILES += $(ARCH_DIR)/Kconfig_arch
+else
$(shell cd $(ARCH_DIR) && ln -sf Kconfig_$(SUBARCH) Kconfig_arch)
+endif
prepare: $(ARCH_SYMLINKS) $(SYS_HEADERS) $(GEN_HEADERS)
@@ -143,20 +153,40 @@
$(SYMLINK_HEADERS):
@echo ' SYMLINK $@'
+ifneq ($(KBUILD_SRC),)
+ ln -fsn $(srctree)/include/asm-um/$(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@
+else
$(Q)cd $(TOPDIR)/$(dir $@) ; \
ln -sf $(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $(notdir $@)
+endif
include/asm-um/arch:
@echo ' SYMLINK $@'
+ifneq ($(KBUILD_SRC),)
+ $(Q)mkdir -p include/asm-um
+ $(Q)ln -fsn $(srctree)/include/asm-$(SUBARCH) include/asm-um/arch
+else
$(Q)cd $(TOPDIR)/include/asm-um && ln -sf ../asm-$(SUBARCH) arch
+endif
$(ARCH_DIR)/include/sysdep:
@echo ' SYMLINK $@'
+ifneq ($(KBUILD_SRC),)
+ $(Q)mkdir -p $(ARCH_DIR)/include
+ $(Q)mkdir -p $(ARCH_DIR)/include2
+ $(Q)ln -fsn sysdep-$(SUBARCH) $(ARCH_DIR)/include/sysdep
+ $(Q)ln -fsn $(srctree)/$(ARCH_DIR)/include/sysdep-$(SUBARCH) $(ARCH_DIR)/include2/sysdep
+else
$(Q)cd $(ARCH_DIR)/include && ln -sf sysdep-$(SUBARCH) sysdep
+endif
$(ARCH_DIR)/os:
@echo ' SYMLINK $@'
+ifneq ($(KBUILD_SRC),)
+ $(Q)ln -fsn $(srctree)/$(ARCH_DIR)/os-$(OS) $(ARCH_DIR)/os
+else
$(Q)cd $(ARCH_DIR) && ln -sf os-$(OS) os
+endif
# Generated files
define filechk_umlconfig