build: do not overwrite already existing host commands
This prevents a later prereq check from overwriting the installed tar binary. Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 46982
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@ -86,6 +86,7 @@ endef
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# 3+: candidates
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define SetupHostCommand
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define Require/$(1)
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[ -f "$(STAGING_DIR_HOST)/bin/$(strip $(1))" ] && exit 0; \
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for cmd in $(call QuoteHostCommand,$(3)) $(call QuoteHostCommand,$(4)) \
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$(call QuoteHostCommand,$(5)) $(call QuoteHostCommand,$(6)) \
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$(call QuoteHostCommand,$(7)) $(call QuoteHostCommand,$(8)) \
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