[Patch] kbuild: finally remove the obsolete variable $TOPDIR

From: Amerigo Wang
Date: Fri Jun 19 2009 - 03:40:48 EST

TOPDIR is obsolete, it can be finally removed now.

Signed-off-by: WANG Cong <amwang@xxxxxxxxxx>
Cc: Sam <sam@xxxxxxxxxxxx>

diff --git a/Makefile b/Makefile
index 46e1c9d..6e41628 100644
--- a/Makefile
+++ b/Makefile
@@ -140,15 +140,13 @@ _all: modules

srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR))
-TOPDIR := $(srctree)
-# FIXME - TOPDIR is obsolete, use srctree/objtree
objtree := $(CURDIR)
src := $(srctree)
obj := $(objtree)

VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD))

-export srctree objtree VPATH TOPDIR
+export srctree objtree VPATH

# SUBARCH tells the usermode build what the underlying arch is. That is set
diff --git a/drivers/scsi/cxgb3i/Kbuild b/drivers/scsi/cxgb3i/Kbuild
index 25a2032..70d060b 100644
--- a/drivers/scsi/cxgb3i/Kbuild
+++ b/drivers/scsi/cxgb3i/Kbuild
@@ -1,4 +1,4 @@
-EXTRA_CFLAGS += -I$(TOPDIR)/drivers/net/cxgb3
+EXTRA_CFLAGS += -I$(srctree)/drivers/net/cxgb3

cxgb3i-y := cxgb3i_init.o cxgb3i_iscsi.o cxgb3i_pdu.o cxgb3i_offload.o cxgb3i_ddp.o
obj-$(CONFIG_SCSI_CXGB3_ISCSI) += cxgb3i.o
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