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-rw-r--r--scripts/Kbuild.include15
1 files changed, 7 insertions, 8 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 92ce94b58bd6..3e7e0b278b96 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -88,8 +88,7 @@ cc-ifversion = $(shell if [ $(call cc-version, $(CC)) $(1) $(2) ]; then \
88build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj 88build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj
89 89
90# If quiet is set, only print short version of command 90# If quiet is set, only print short version of command
91cmd = @$(if $($(quiet)cmd_$(1)),\ 91cmd = @$(echo-cmd) $(cmd_$(1))
92 echo ' $(call escsq,$($(quiet)cmd_$(1)))' &&) $(cmd_$(1))
93 92
94# Add $(obj)/ for paths that is not absolute 93# Add $(obj)/ for paths that is not absolute
95objectify = $(foreach o,$(1),$(if $(filter /%,$(o)),$(o),$(obj)/$(o))) 94objectify = $(foreach o,$(1),$(if $(filter /%,$(o)),$(o),$(obj)/$(o)))
@@ -112,24 +111,24 @@ endif
112echo-cmd = $(if $($(quiet)cmd_$(1)), \ 111echo-cmd = $(if $($(quiet)cmd_$(1)), \
113 echo ' $(call escsq,$($(quiet)cmd_$(1)))';) 112 echo ' $(call escsq,$($(quiet)cmd_$(1)))';)
114 113
114make-cmd = $(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1)))))
115
115# function to only execute the passed command if necessary 116# function to only execute the passed command if necessary
116# >'< substitution is for echo to work, >$< substitution to preserve $ when reloading .cmd file 117# >'< substitution is for echo to work, >$< substitution to preserve $ when reloading .cmd file
117# note: when using inline perl scripts [perl -e '...$$t=1;...'] in $(cmd_xxx) double $$ your perl vars 118# note: when using inline perl scripts [perl -e '...$$t=1;...'] in $(cmd_xxx) double $$ your perl vars
118# 119#
119if_changed = $(if $(strip $? $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \ 120if_changed = $(if $(strip $? $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \
120 @set -e; \ 121 @set -e; \
121 $(echo-cmd) \ 122 $(echo-cmd) $(cmd_$(1)); \
122 $(cmd_$(1)); \ 123 echo 'cmd_$@ := $(make-cmd)' > $(@D)/.$(@F).cmd)
123 echo 'cmd_$@ := $(subst $$,$$$$,$(call escsq,$(cmd_$(1))))' > $(@D)/.$(@F).cmd)
124 124
125# execute the command and also postprocess generated .d dependencies 125# execute the command and also postprocess generated .d dependencies
126# file 126# file
127if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\ 127if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\
128 $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \ 128 $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \
129 @set -e; \ 129 @set -e; \
130 $(echo-cmd) \ 130 $(echo-cmd) $(cmd_$(1)); \
131 $(cmd_$(1)); \ 131 scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(@D)/.$(@F).tmp; \
132 scripts/basic/fixdep $(depfile) $@ '$(subst $$,$$$$,$(call escsq,$(cmd_$(1))))' > $(@D)/.$(@F).tmp; \
133 rm -f $(depfile); \ 132 rm -f $(depfile); \
134 mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd) 133 mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd)
135 134