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scripts/gdb: refactor rules for symlink creation

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gdb-scripts is not a real object, but (ab)used like a phony target.

Rewrite the code in a more Kbuild-ish way. Add symlinks to extra-y
and use if_changed.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Masahiro Yamada 2019-02-19 18:33:06 +09:00
parent 8d2e52003a
commit b513adf45c
1 changed files with 11 additions and 7 deletions
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18
scripts/gdb/linux/Makefile
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@ -1,13 +1,17 @@
# SPDX-License-Identifier: GPL-2.0
always := gdb-scripts
SRCTREE := $(abspath $(srctree))
$(obj)/gdb-scripts:
ifneq ($(KBUILD_SRC),)
$(Q)ln -fsn $(SRCTREE)/$(obj)/*.py $(objtree)/$(obj)
symlinks := $(patsubst $(srctree)/$(src)/%,%,$(wildcard $(srctree)/$(src)/*.py))
quiet_cmd_symlink = SYMLINK $@
cmd_symlink = ln -fsn $(patsubst $(obj)/%,$(abspath $(srctree))/$(src)/%,$@) $@
extra-y += $(symlinks)
$(addprefix $(obj)/, $(symlinks)): FORCE
$(call if_changed,symlink)
endif
@:
quiet_cmd_gen_constants_py = GEN $@
cmd_gen_constants_py = \
@ -18,4 +22,4 @@ extra-y += constants.py
$(obj)/constants.py: $(src)/constants.py.in FORCE
$(call if_changed_dep,gen_constants_py)
clean-files := *.pyc *.pyo $(if $(KBUILD_SRC),*.py)
clean-files := *.pyc *.pyo