diff options
Diffstat (limited to 'scripts/Kbuild.include')
| -rw-r--r-- | scripts/Kbuild.include | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index db3c708e546b..0168d6c37075 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -3,6 +3,7 @@ # Convinient variables comma := , +squote := ' empty := space := $(empty) $(empty) @@ -12,6 +13,10 @@ space := $(empty) $(empty) depfile = $(subst $(comma),_,$(@D)/.$(@F).d) ### +# Escape single quote for use in echo statements +escsq = $(subst $(squote),'\$(squote)',$1) + +### # filechk is used to check if the content of a generated file is updated. # Sample usage: # define filechk_sample @@ -47,7 +52,7 @@ build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj # If quiet is set, only print short version of command cmd = @$(if $($(quiet)cmd_$(1)),\ - echo ' $(subst ','\'',$($(quiet)cmd_$(1)))' &&) $(cmd_$(1)) + echo ' $(call escsq,$($(quiet)cmd_$(1)))' &&) $(cmd_$(1)) # Add $(obj)/ for paths that is not absolute objectify = $(foreach o,$(1),$(if $(filter /%,$(o)),$(o),$(obj)/$(o))) @@ -68,7 +73,7 @@ endif # echo command. Short version is $(quiet) equals quiet, otherwise full command echo-cmd = $(if $($(quiet)cmd_$(1)), \ - echo ' $(subst ','\'',$($(quiet)cmd_$(1)))';) + echo ' $(call escsq,$($(quiet)cmd_$(1)))';) # function to only execute the passed command if necessary # >'< substitution is for echo to work, >$< substitution to preserve $ when reloading .cmd file @@ -78,7 +83,7 @@ if_changed = $(if $(strip $? $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \ @set -e; \ $(echo-cmd) \ $(cmd_$(1)); \ - echo 'cmd_$@ := $(subst $$,$$$$,$(subst ','\'',$(cmd_$(1))))' > $(@D)/.$(@F).cmd) + echo 'cmd_$@ := $(subst $$,$$$$,$(call escsq,$(cmd_$(1))))' > $(@D)/.$(@F).cmd) # execute the command and also postprocess generated .d dependencies # file @@ -87,7 +92,7 @@ if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\ @set -e; \ $(echo-cmd) \ $(cmd_$(1)); \ - scripts/basic/fixdep $(depfile) $@ '$(subst $$,$$$$,$(subst ','\'',$(cmd_$(1))))' > $(@D)/.$(@F).tmp; \ + scripts/basic/fixdep $(depfile) $@ '$(subst $$,$$$$,$(call escsq,$(cmd_$(1))))' > $(@D)/.$(@F).tmp; \ rm -f $(depfile); \ mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd) |