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Subject[PATCH 1/3] kbuild: remove obj and src from the top Makefile
Date
$(obj) is not used in the top Makefile at all. $(src) is used in
3 sites, but they can be replaced with $(srctree).

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

Makefile | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index 014390e32b0e..a5615edf2196 100644
--- a/Makefile
+++ b/Makefile
@@ -248,9 +248,6 @@ endif
export KBUILD_CHECKSRC KBUILD_EXTMOD KBUILD_SRC

objtree := .
-src := $(srctree)
-obj := $(objtree)
-
VPATH := $(srctree)

export srctree objtree VPATH
@@ -1705,7 +1702,7 @@ CHECKSTACK_ARCH := $(ARCH)
endif
checkstack:
$(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
- $(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH)
+ $(PERL) $(srctree)/scripts/checkstack.pl $(CHECKSTACK_ARCH)

kernelrelease:
@echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
@@ -1724,11 +1721,11 @@ endif

tools/: FORCE
$(Q)mkdir -p $(objtree)/tools
- $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(src)/tools/
+ $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/

tools/%: FORCE
$(Q)mkdir -p $(objtree)/tools
- $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(src)/tools/ $*
+ $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/ $*

# Single targets
# ---------------------------------------------------------------------------
--
2.17.1
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