diff options
Diffstat (limited to 'scripts/Kbuild.include')
| -rw-r--r-- | scripts/Kbuild.include | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index c3d2e4e068c..59620b1554e 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -116,16 +116,18 @@ make-cmd = $(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1))))) # function to only execute the passed command if necessary # >'< substitution is for echo to work, >$< substitution to preserve $ when reloading .cmd file # note: when using inline perl scripts [perl -e '...$$t=1;...'] in $(cmd_xxx) double $$ your perl vars -# -if_changed = $(if $(strip $? $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \ +# +if_changed = $(if $(strip $(filter-out $(PHONY),$?) \ + $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \ @set -e; \ $(echo-cmd) $(cmd_$(1)); \ echo 'cmd_$@ := $(make-cmd)' > $(@D)/.$(@F).cmd) # execute the command and also postprocess generated .d dependencies # file -if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\ - $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \ +if_changed_dep = $(if $(strip $(filter-out $(PHONY),$?) \ + $(filter-out FORCE $(wildcard $^),$^) \ + $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \ @set -e; \ $(echo-cmd) $(cmd_$(1)); \ scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(@D)/.$(@F).tmp; \ @@ -135,6 +137,7 @@ if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\ # Usage: $(call if_changed_rule,foo) # will check if $(cmd_foo) changed, or any of the prequisites changed, # and if so will execute $(rule_foo) -if_changed_rule = $(if $(strip $? $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ),\ +if_changed_rule = $(if $(strip $(filter-out $(PHONY),$?) \ + $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ),\ @set -e; \ $(rule_$(1))) |