If BUILD_SRC or CURDIR contains tailing '/', the file names passed to gcc will
contain '//'. It will be contained .o's in debuginfo, then confuse debugedit:
https://bugzilla.redhat.com/show_bug.cgi?id=304121
This patch uses realpath command to makesure potential tailing '/'s are removed.
Signed-off-by: Wang Nan <wangnan0@xxxxxxxxxx>
Acked-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Geng Hui <hui.geng@xxxxxxxxxx>
---
tools/lib/lockdep/Makefile | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/lib/lockdep/Makefile b/tools/lib/lockdep/Makefile
index da8b7aa..e638dd5 100644
--- a/tools/lib/lockdep/Makefile
+++ b/tools/lib/lockdep/Makefile
@@ -87,8 +87,8 @@ endif # BUILD_SRC
# We process the rest of the Makefile if this is the final invocation of make
ifeq ($(skip-makefile),)
-srctree := $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR))
-objtree := $(CURDIR)
+srctree := $(realpath $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR)))
+objtree := $(realpath $(CURDIR))
src := $(srctree)
obj := $(objtree)