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tarookumic |
#Konrad Eisele,2003
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ifdef QUIET
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quiet=q_
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else
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quiet=
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endif
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# ===========================================================================
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# Generic stuff
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# ===========================================================================
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# function to only execute the passed command if necessary
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# >'< substitution is for echo to work, >$< substitution to preserve $ when reloading .cmd file
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# note: when using inline perl scripts [perl -e '...$$t=1;...'] in $(cmd_xxx) double $$ your perl vars
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if_changed = $(if $(strip $? \
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$(filter-out $(cmd_$(1)),$(cmd_$@))\
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$(filter-out $(cmd_$@),$(cmd_$(1)))),\
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@set -e; \
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$(if $($(quiet)cmd_$(1)),echo ' $(subst ','\'',$($(quiet)cmd_$(1)))';) \
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$(cmd_$(1)); \
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echo 'cmd_$@ := $(subst $$,$$$$,$(subst ','\'',$(cmd_$(1))))' > $(@D)/.$(@F).cmd)
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if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\
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$(filter-out $(cmd_$(1)),$(cmd_$@))\
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$(filter-out $(cmd_$@),$(cmd_$(1)))),\
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@set -e; \
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$(if $($(quiet)cmd_$(1)),echo ' $(subst ','\'',$($(quiet)cmd_$(1)))';) \
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$(cmd_$(1)); \
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echo 'cmd_$@ := $(subst $$,$$$$,$(subst ','\'',$(cmd_$(1))))' > $(@D)/.$(@F).cmd; \
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echo -n '$(obj)/' >> $(@D)/.$(@F).cmd; \
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cat $(depfile) >> $(@D)/.$(@F).cmd; \
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rm -f $(depfile); )
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# The temporary file to save gcc -MD generated dependencies must not
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# contain a comma
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depfile = $(subst $(comma),_,$(@D)/.$(@F).d)
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c_flags = -Wp,-MD,$(depfile) $(CFLAGS) $(LOCAL_CFLAGS) $(EXTRA_CFLAGS) $(CFLAGS_$(*F).o)
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a_flags = -Wp,-MD,$(depfile) $(AFLAGS) $(EXTRA_AFLAGS) $(AFLAGS_$(*F).o)
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ld_flags = $(LDFLAGS) $(LDFLAGS_$(@F))
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pathsearch = $(firstword $(wildcard $(addsuffix /$(1),$(subst :, ,$(PATH)))))
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pathsearch-exit = $(if $(strip $(call pathsearch,$(1))),,@echo $(2);exit 1 )
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pathsearch-return = $(strip $(call pathsearch,$(1)))
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