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scripts/gdb: rebuild constants.py on dependancy change 

The autogenerated constants.py file was only being built on the initial
call, and if the constants.py.in file changed.  As we are utilising the
CPP hooks, we can successfully use the call if_changed_dep rules to
determine when to rebuild the file based on it's inclusions.

Link: http://lkml.kernel.org/r/1467127337-11135-3-git-send-email-kieran@bingham.xyz
Signed-off-by: Kieran Bingham <kieran@bingham.xyz>
Reported-by: Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kieran Bingham 2016-07-14 12:06:58 -07:00 committed by Linus Torvalds
parent abb035b482
commit 834a35296a
1 changed files with 3 additions and 2 deletions
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5
scripts/gdb/linux/Makefile
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@ -13,8 +13,9 @@ quiet_cmd_gen_constants_py = GEN $@
$(CPP) -E -x c -P $(c_flags) $< > $@ ;\
sed -i '1,/<!-- end-c-headers -->/d;' $@
$(obj)/constants.py: $(SRCTREE)/$(obj)/constants.py.in
$(call if_changed,gen_constants_py)
targets += constants.py
$(obj)/constants.py: $(SRCTREE)/$(obj)/constants.py.in FORCE
$(call if_changed_dep,gen_constants_py)
build_constants_py: $(obj)/constants.py
@: