mirror of https://github.com/hak5/openwrt-owl.git
51 lines
974 B
Makefile
51 lines
974 B
Makefile
#
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# Copyright (C) 2006-2007 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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prereq:
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if [ -f $(TMP_DIR)/.prereq-error ]; then \
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echo; \
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cat $(TMP_DIR)/.prereq-error; \
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rm -f $(TMP_DIR)/.prereq-error; \
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echo; \
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false; \
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fi
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.SILENT: prereq
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define Require
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export PREREQ_CHECK=1
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ifeq ($$(CHECK_$(1)),)
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prereq: prereq-$(1)
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prereq-$(1): FORCE
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echo -n "Checking '$(1)'... "
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if $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST)) check-$(1) >/dev/null 2>/dev/null; then \
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echo 'ok.'; \
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else \
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echo 'failed.'; \
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echo -e "$(PKG_NAME): $(strip $(2))" | perl -ne 's/\\\s*/\n/g,print' >> $(TMP_DIR)/.prereq-error; \
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fi
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check-$(1): FORCE
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$(call Require/$(1))
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CHECK_$(1):=1
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.SILENT: prereq-$(1) check-$(1)
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endif
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endef
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define RequireCommand
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define Require/$(1)
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which $(1)
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endef
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$$(eval $$(call Require,$(1),$(2)))
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endef
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.NOTPARALLEL:
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