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| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2019-07-06 05:07:12 +0200 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2019-07-10 17:05:09 +0200 |
| commit | 051f278e9d81bed253bf89c66c80b8b921aafa8a (patch) | |
| tree | 188b90e6cd434ca30972e6166bfbc88e273d9474 /Makefile | |
| parent | kbuild: remove src and obj from the top Makefile (diff) | |
| download | linux-051f278e9d81bed253bf89c66c80b8b921aafa8a.tar.xz linux-051f278e9d81bed253bf89c66c80b8b921aafa8a.zip | |
kbuild: replace KBUILD_SRCTREE with boolean building_out_of_srctree
Commit 25b146c5b8ce ("kbuild: allow Kbuild to start from any directory")
deprecated KBUILD_SRCTREE.
It is only used in tools/testing/selftest/ to distinguish out-of-tree
build. Replace it with a new boolean flag, building_out_of_srctree.
I also replaced the conditional ($(srctree),.) because the next commit
will allow an absolute path to be used for $(srctree) even when building
in the source tree.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 19 |
1 files changed, 8 insertions, 11 deletions
@@ -228,9 +228,12 @@ ifeq ("$(origin M)", "command line") KBUILD_EXTMOD := $(M) endif +export KBUILD_CHECKSRC KBUILD_EXTMOD + ifeq ($(abs_srctree),$(abs_objtree)) # building in the source tree srctree := . + building_out_of_srctree := else ifeq ($(abs_srctree)/,$(dir $(abs_objtree))) # building in a subdirectory of the source tree @@ -238,19 +241,13 @@ else else srctree := $(abs_srctree) endif - - # TODO: - # KBUILD_SRC is only used to distinguish in-tree/out-of-tree build. - # Replace it with $(srctree) or something. - KBUILD_SRC := $(abs_srctree) + building_out_of_srctree := 1 endif -export KBUILD_CHECKSRC KBUILD_EXTMOD KBUILD_SRC - objtree := . VPATH := $(srctree) -export srctree objtree VPATH +export building_out_of_srctree srctree objtree VPATH # To make sure we do not include .config for any of the *config targets # catch them early, and hand them over to scripts/kconfig/Makefile @@ -453,7 +450,7 @@ USERINCLUDE := \ LINUXINCLUDE := \ -I$(srctree)/arch/$(SRCARCH)/include \ -I$(objtree)/arch/$(SRCARCH)/include/generated \ - $(if $(filter .,$(srctree)),,-I$(srctree)/include) \ + $(if $(building_out_of_srctree),-I$(srctree)/include) \ -I$(objtree)/include \ $(USERINCLUDE) @@ -514,7 +511,7 @@ PHONY += outputmakefile # At the same time when output Makefile generated, generate .gitignore to # ignore whole output directory outputmakefile: -ifneq ($(srctree),.) +ifdef building_out_of_srctree $(Q)ln -fsn $(srctree) source $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree) $(Q)test -e .gitignore || \ @@ -1101,7 +1098,7 @@ PHONY += prepare archprepare prepare1 prepare3 # and if so do: # 1) Check that make has not been executed in the kernel src $(srctree) prepare3: include/config/kernel.release -ifneq ($(srctree),.) +ifdef building_out_of_srctree @$(kecho) ' Using $(srctree) as source for kernel' $(Q)if [ -f $(srctree)/.config -o \ -d $(srctree)/include/config -o \ |