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53 lines
1.2 KiB
Makefile
53 lines
1.2 KiB
Makefile
#
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# \brief Download and prepare the Codezero kernel
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# \author Norman Feske
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# \date 2011-08-05
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#
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VERBOSE ?= @
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ECHO = @echo
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GIT_URL = git://git.l4dev.org/codezero.git
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GIT_REV = 6fa4884a5a1cf6207372f69ae01e5faa6d5a39c8
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CONTRIB_DIR = contrib
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PATCHES = $(shell find patches -name *.patch)
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#
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# Utility to check if a tool is installed
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#
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check_tool = $(if $(shell which $(1)),,$(error Need to have '$(1)' installed.))
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$(call check_tool,git)
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$(call check_tool,patch)
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#
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# Print help information by default
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#
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help::
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prepare: $(CONTRIB_DIR)
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help::
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$(ECHO)
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$(ECHO) "Check out upstream source code of the Codezero kernel"
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$(ECHO)
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$(ECHO) "The source code will be located at the '$(CONTRIB_DIR)/' directory."
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$(ECHO)
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$(ECHO) "--- available commands ---"
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$(ECHO) "prepare - checkout upstream source codes"
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$(ECHO) "clean - remove upstream source codes"
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$(ECHO)
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$(CONTRIB_DIR)/.git:
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$(VERBOSE)git clone $(GIT_URL) $(CONTRIB_DIR)
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$(CONTRIB_DIR): $(CONTRIB_DIR)/.git
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$(VERBOSE)cd $(CONTRIB_DIR); git reset --hard $(GIT_REV)
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$(ECHO) "applying patches to '$(CONTRIB_DIR)/'"
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$(VERBOSE)for i in $(PATCHES); do patch -d $@ -p1 < $$i; done
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.PHONY: $(CONTRIB_DIR)
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clean::
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$(VERBOSE)rm -rf $(CONTRIB_DIR)
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