[PATCH 1/2] UML - Add a build dependency

[Jeff Dike]

kern_constants.h now depends on arch/um/include to make sure it exists
before we try to create symlinks in it.

Signed-off-by: Jeff Dike <jdike@xxxxxxxxxxx>

Index: linux-2.6.15-mm/arch/um/Makefile
===================================================================
--- linux-2.6.15-mm.orig/arch/um/Makefile	2006-01-24 17:04:35.000000000 -0500
+++ linux-2.6.15-mm/arch/um/Makefile	2006-01-24 17:05:13.000000000 -0500
@@ -172,10 +172,13 @@ else
 	$(Q)cd $(TOPDIR)/include/asm-um && ln -sf ../asm-$(SUBARCH) arch
 endif
 
-$(ARCH_DIR)/include/sysdep:
+$(objtree)/$(ARCH_DIR)/include:
+	@echo '  MKDIR $@'
+	$(Q)mkdir -p $@
+
+$(ARCH_DIR)/include/sysdep: $(objtree)/$(ARCH_DIR)/include
 	@echo '  SYMLINK $@'
 ifneq ($(KBUILD_SRC),)
-	$(Q)mkdir -p $(ARCH_DIR)/include
 	$(Q)ln -fsn $(srctree)/$(ARCH_DIR)/include/sysdep-$(SUBARCH) $(ARCH_DIR)/include/sysdep
 else
 	$(Q)cd $(ARCH_DIR)/include && ln -sf sysdep-$(SUBARCH) sysdep
@@ -218,7 +221,7 @@ $(ARCH_DIR)/include/user_constants.h: $(
 
 CLEAN_FILES += $(ARCH_DIR)/user-offsets.s
 
-$(ARCH_DIR)/include/kern_constants.h:
+$(ARCH_DIR)/include/kern_constants.h: $(objtree)/$(ARCH_DIR)/include
 	@echo '  SYMLINK $@'
 	$(Q) ln -sf ../../../include/asm-um/asm-offsets.h $@
 

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