x86, um: get rid of arch/um/os symlink
we can get DEV_NULL defined for arch/um/drivers/null.c in less
convoluted ways, TYVM...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 2606bda..1089440 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -18,12 +18,9 @@
$(ARCH_DIR)/drivers/ \
$(ARCH_DIR)/os-$(OS)/
-# XXX: The "os" symlink is only used by arch/um/include/os.h, which includes
-# ../os/include/file.h
-#
# These are cleaned up during mrproper. Please DO NOT fix it again, this is
# the Correct Thing(tm) to do!
-ARCH_SYMLINKS = $(ARCH_DIR)/os $(ARCH_DIR)/include/shared/uml-config.h
+ARCH_SYMLINKS = $(ARCH_DIR)/include/shared/uml-config.h
MODE_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include/shared/skas
@@ -143,14 +140,6 @@
@echo ' MKDIR $@'
$(Q)mkdir -p $@
-$(ARCH_DIR)/os:
- @echo ' SYMLINK $@'
-ifneq ($(KBUILD_SRC),)
- $(Q)ln -fsn $(srctree)/$(ARCH_DIR)/os-$(OS) $@
-else
- $(Q)ln -fsn os-$(OS) $@
-endif
-
# Generated files
define filechk_umlconfig
sed 's/ CONFIG/ UML_CONFIG/'
@@ -182,4 +171,4 @@
@echo ' SYMLINK $@'
$(Q)ln -sf ../../../../include/asm/asm-offsets.h $@
-export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH
+export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH DEV_NULL_PATH