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051f278e9d
Commit 25b146c5b8 ("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>
26 lines
665 B
Makefile
26 lines
665 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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ifdef building_out_of_srctree
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symlinks := $(patsubst $(srctree)/$(src)/%,%,$(wildcard $(srctree)/$(src)/*.py))
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quiet_cmd_symlink = SYMLINK $@
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cmd_symlink = ln -fsn $(patsubst $(obj)/%,$(abspath $(srctree))/$(src)/%,$@) $@
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extra-y += $(symlinks)
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$(addprefix $(obj)/, $(symlinks)): FORCE
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$(call if_changed,symlink)
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endif
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quiet_cmd_gen_constants_py = GEN $@
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cmd_gen_constants_py = \
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$(CPP) -E -x c -P $(c_flags) $< > $@ ;\
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sed -i '1,/<!-- end-c-headers -->/d;' $@
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extra-y += constants.py
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$(obj)/constants.py: $(src)/constants.py.in FORCE
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$(call if_changed_dep,gen_constants_py)
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clean-files := *.pyc *.pyo
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