add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/security/selinux/Makefile
..
..
@@ -23,8 +23,12 @@
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 $(addprefix $(obj)/,$(selinux-y)): $(obj)/flask.h
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 quiet_cmd_flask = GEN     $(obj)/flask.h $(obj)/av_permissions.h
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-      cmd_flask = scripts/selinux/genheaders/genheaders $(obj)/flask.h $(obj)/av_permissions.h
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+      cmd_flask = $< $(obj)/flask.h $(obj)/av_permissions.h
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 targets += flask.h av_permissions.h
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-$(obj)/flask.h: $(src)/include/classmap.h FORCE
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+# once make >= 4.3 is required, we can use grouped targets in the rule below,
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+# which basically involves adding both headers and a '&' before the colon, see
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+# the example below:
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+#   $(obj)/flask.h $(obj)/av_permissions.h &: scripts/selinux/...
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+$(obj)/flask.h: scripts/selinux/genheaders/genheaders FORCE
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 	$(call if_changed,flask)