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63 lines
2.1 KiB
Makefile
63 lines
2.1 KiB
Makefile
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#
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# \brief Tool for downloading and patching 3rd-party source code
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# \author Norman Feske
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# \date 2014-05-07
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#
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#
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# Determine Genode base directory based on the known location of the
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# 'create_builddir' tool within the Genode source tree
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#
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export GENODE_DIR := $(realpath $(dir $(MAKEFILE_LIST))/../../..)
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include $(GENODE_DIR)/tool/ports/mk/front_end.inc
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include $(GENODE_DIR)/tool/ports/mk/check_port_arg.inc
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ifeq ($(HASH),)
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$(TARGET): nonexisting_hash
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nonexisting_hash:
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@$(ECHO) "Error: Port $(PORT_NAME) lacks a valid hash"; false
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endif
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#
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# Default rule that triggers the actual preparation steps
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#
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$(TARGET): _check_integrity
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_check_integrity : _install_in_port_dir
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ifneq ($(CHECK_HASH),no)
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$(VERBOSE)diff $(PORT_HASH_FILE) $(HASH_FILE) > /dev/null ||\
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($(ECHO) "Error: $(_REL_HASH_FILE) is out of date, expected" `cat $(PORT_HASH_FILE)` ""; false)
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endif
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#
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# During the preparatio steps, the port directory is renamed. We use the suffix
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# ".incomplete" to mark this transient state of the port directory.
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#
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_install_in_port_dir: $(PORT_DIR)
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@#\
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# if the transient directory already exists, reuse it as it may contain\
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# finished steps such as downloads. By reusing it, we avoid downloading\
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# the same files again and again while working on a port. However, in this\
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# case, we already have created an empty port directory via the $(PORT_DIR)\
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# rule below. To avoid having both the port directory and the transient\
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# port directory present, remove the just-created port directory.\
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#
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$(VERBOSE)(test -d $(PORT_DIR).incomplete && rmdir $(PORT_DIR)) || true
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@#\
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# If no transient directory exists, rename the port directory accordingly.\
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#
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$(VERBOSE)test -d $(PORT_DIR).incomplete || mv --force $(PORT_DIR) $(PORT_DIR).incomplete
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$(VERBOSE)$(MAKE) --no-print-directory \
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-f $(GENODE_DIR)/tool/ports/mk/install.mk \
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-C $(PORT_DIR).incomplete \
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PORT=$(PORT) VERBOSE=$(VERBOSE)
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@#\
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# The preparation finished successfully. So we can rename the transient\
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# directory to the real one.\
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#
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$(VERBOSE)mv $(PORT_DIR).incomplete $(PORT_DIR)
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$(PORT_DIR):
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$(VERBOSE)mkdir -p $@
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