kbuild: Use relative path for $(objtree)

The main Makefile sets its working directory to the object tree and
never changes it again. Therefore, we can use '.' instead of the
absolute path. The only case where we need the absolute path is when
creating the 'build' symlink in /lib/modules.

Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>

diff --git a/Makefile b/Makefile
index d25c7de06d593c3b1212545b3771b7e3ba16f9da..dec0845c07afae3a1fa21aa60332466fa20e6dd0 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -150,7 +150,7 @@ _all: modules
 endif
 
 srctree                := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR))
-objtree                := $(CURDIR)
+objtree                := .
 src            := $(srctree)
 obj            := $(objtree)
 
@@ -1062,7 +1062,7 @@ _modinst_:
        @ln -s $(srctree) $(MODLIB)/source
        @if [ ! $(objtree) -ef  $(MODLIB)/build ]; then \
                rm -f $(MODLIB)/build ; \
-               ln -s $(objtree) $(MODLIB)/build ; \
+               ln -s $(CURDIR) $(MODLIB)/build ; \
        fi
        @cp -f $(objtree)/modules.order $(MODLIB)/
        @cp -f $(objtree)/modules.builtin $(MODLIB)/