Revert "kbuild: specify absolute paths for cscope"

This reverts commit eb8f844c0a41c4529a7d06b7801296eca9ae67aa. Ian
Campbell writes:
> I keep my kernel source tree on a more powerful build box where I run my
> builds etc (including "make cscope") but run my editor from my
> workstation with an NFS mount to the source. This worked fine for me
> using relative paths for cscope. Using absolute paths in cscope breaks
> this previously working setup because the root path is not the same on
> both systems. I guess this is similar to moving the source tree around.
>
> Without wanting to start a flamewar it really sounds to me like we are
> working around a vim (or cscope) bug here, emacs with cscope bindings
> works fine in this configuration.

Given that absolute paths can be forced by make O=. cscope, change the
default back to relative paths.

Ian Campbell <ijc@hellion.org.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Michal Marek <mmarek@suse.cz>

1 files changed, 3 insertions, 7 deletions

diff --git a/scripts/tags.sh b/scripts/tags.sh
index 868b4c8fc25f..8509bb512935 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -18,6 +18,8 @@ ignore="( -name SCCS -o -name BitKeeper -o -name .svn -o \
           -prune -o"
 
 # Do not use full path if we do not use O=.. builds
+# Use make O=. {tags|cscope}
+# to force full paths for a non-O= build
 if [ "${KBUILD_SRC}" = "" ]; then
         tree=
 else
@@ -108,13 +110,7 @@ all_defconfigs()
 
 docscope()
 {
-        # always use absolute paths for cscope, as recommended by cscope
-        # upstream
-        case "$tree" in
-                /*) ;;
-                *) tree=$PWD/$tree ;;
-        esac
-        (cd /; echo \-k; echo \-q; all_sources) > cscope.files
+        (echo \-k; echo \-q; all_sources) > cscope.files
         cscope -b -f cscope.out
 }