1# SPDX-License-Identifier: GPL-2.0
 2
 3ifdef building_out_of_srctree
 4
 5symlinks := $(patsubst $(srctree)/$(src)/%,%,$(wildcard $(srctree)/$(src)/*.py))
 6
 7quiet_cmd_symlink = SYMLINK $@
 8      cmd_symlink = ln -fsn $(patsubst $(obj)/%,$(abspath $(srctree))/$(src)/%,$@) $@
 9
10always-y += $(symlinks)
11$(addprefix $(obj)/, $(symlinks)): FORCE
12	$(call if_changed,symlink)
13
14endif
15
16quiet_cmd_gen_constants_py = GEN     $@
17      cmd_gen_constants_py = \
18	$(CPP) -E -x c -P $(c_flags) $< > $@ ;\
19	sed -i '1,/<!-- end-c-headers -->/d;' $@
20
21always-y += constants.py
22$(obj)/constants.py: $(src)/constants.py.in FORCE
23	$(call if_changed_dep,gen_constants_py)
24
25clean-files := *.pyc *.pyo