mirror of
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808 lines
38 KiB
Makefile
808 lines
38 KiB
Makefile
# Copyright 2016 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Don't allow users to call this directly. There are too many variables this
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# assumes to inherit from the main Makefile. This is not a user-facing file.
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ifeq ($(CALLED_FROM_MAIN_MAKEFILE),)
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$(error Please use the main Makefile, e.g. `make generated_files`)
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endif
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# Don't allow an implicit 'all' rule. This is not a user-facing file.
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ifeq ($(MAKECMDGOALS),)
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$(error This Makefile requires an explicit rule to be specified)
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endif
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ifeq ($(DBG_MAKEFILE),1)
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$(warning ***** starting Makefile.generated_files for goal(s) "$(MAKECMDGOALS)")
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$(warning ***** $(shell date))
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endif
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# It's necessary to set this because some environments don't link sh -> bash.
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SHELL := /bin/bash
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# This rule collects all the generated file sets into a single rule. Other
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# rules should depend on this to ensure generated files are rebuilt.
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.PHONY: generated_files
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generated_files: gen_deepcopy gen_defaulter gen_conversion gen_openapi
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.PHONY: verify_generated_files
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verify_generated_files: verify_gen_deepcopy \
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verify_gen_defaulter \
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verify_gen_conversion
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# Code-generation logic.
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#
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# This stuff can be pretty tricky, and there's probably some corner cases that
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# we don't handle well. That said, here's a straightforward test to prove that
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# the most common cases work. Sadly, it is manual.
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#
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# make clean
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# find . -name .make\* | xargs rm -f
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# find . -name zz_generated\* | xargs rm -f
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# # verify `find . -name zz_generated.deepcopy.go | wc -l` is 0
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# # verify `find . -name .make | wc -l` is 0
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#
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# make nonexistent
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# # expect "No rule to make target"
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# # verify `find .make/ -type f | wc -l` has many files
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#
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# make gen_deepcopy
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# # expect deepcopy-gen is built exactly once
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# # expect many files to be regenerated
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# # verify `find . -name zz_generated.deepcopy.go | wc -l` has files
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# make gen_deepcopy
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# # expect nothing to be rebuilt, finish in O(seconds)
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# touch pkg/api/types.go
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# make gen_deepcopy
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# # expect one file to be regenerated
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# make gen_deepcopy
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# # expect nothing to be rebuilt, finish in O(seconds)
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# touch vendor/k8s.io/code-generator/cmd/deepcopy-gen/main.go
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# make gen_deepcopy
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# # expect deepcopy-gen is built exactly once
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# # expect many files to be regenerated
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# # verify `find . -name zz_generated.deepcopy.go | wc -l` has files
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# make gen_deepcopy
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# # expect nothing to be rebuilt, finish in O(seconds)
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#
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# make gen_conversion
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# # expect conversion-gen is built exactly once
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# # expect many files to be regenerated
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# # verify `find . -name zz_generated.conversion.go | wc -l` has files
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# make gen_conversion
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# # expect nothing to be rebuilt, finish in O(seconds)
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# touch pkg/api/types.go
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# make gen_conversion
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# # expect one file to be regenerated
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# make gen_conversion
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# # expect nothing to be rebuilt, finish in O(seconds)
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# touch vendor/k8s.io/code-generator/cmd/conversion-gen/main.go
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# make gen_conversion
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# # expect conversion-gen is built exactly once
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# # expect many files to be regenerated
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# # verify `find . -name zz_generated.conversion.go | wc -l` has files
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# make gen_conversion
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# # expect nothing to be rebuilt, finish in O(seconds)
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#
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# make all
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# # expect it to build
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#
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# make test
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# # expect it to pass
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#
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# make clean
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# # verify `find . -name zz_generated.deepcopy.go | wc -l` is 0
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# # verify `find . -name .make | wc -l` is 0
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#
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# make all WHAT=cmd/kube-proxy
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# # expect it to build
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#
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# make clean
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# make test WHAT=cmd/kube-proxy
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# # expect it to pass
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# This variable holds a list of every directory that contains Go files in this
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# project. Other rules and variables can use this as a starting point to
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# reduce filesystem accesses.
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ifeq ($(DBG_MAKEFILE),1)
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$(warning ***** finding all *.go dirs)
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endif
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ALL_GO_DIRS := $(shell \
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hack/make-rules/helpers/cache_go_dirs.sh $(META_DIR)/all_go_dirs.mk \
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)
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# The name of the metadata file which lists *.go files in each pkg.
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GOFILES_META := gofiles.mk
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# Establish a dependency between the deps file and the dir. Whenever a dir
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# changes (files added or removed) the deps file will be considered stale.
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#
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# The variable value was set in $(GOFILES_META) and included as part of the
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# dependency management logic.
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#
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# This is looser than we really need (e.g. we don't really care about non *.go
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# files or even *_test.go files), but this is much easier to represent.
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#
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# Because we 'sinclude' the deps file, it is considered for rebuilding, as part
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# of make's normal evaluation. If it gets rebuilt, make will restart.
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#
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# The '$(eval)' is needed because this has a different RHS for each LHS, and
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# would otherwise produce results that make can't parse.
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$(foreach dir, $(ALL_GO_DIRS), $(eval \
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$(META_DIR)/$(dir)/$(GOFILES_META): $(dir) \
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))
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# How to rebuild a deps file. When make determines that the deps file is stale
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# (see above), it executes this rule, and then re-loads the deps file.
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#
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# This is looser than we really need (e.g. we don't really care about test
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# files), but this is MUCH faster than calling `go list`.
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#
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# We regenerate the output file in order to satisfy make's "newer than" rules,
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# but we only need to rebuild targets if the contents actually changed. That
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# is what the .stamp file represents.
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$(foreach dir, $(ALL_GO_DIRS), \
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$(META_DIR)/$(dir)/$(GOFILES_META)):
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FILES=$$(ls $</*.go | grep --color=never -v $(GENERATED_FILE_PREFIX)); \
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mkdir -p $(@D); \
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echo "gofiles__$< := $$(echo $${FILES})" >$@.tmp; \
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if ! cmp -s $@.tmp $@; then \
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if [[ "$(DBG_CODEGEN)" == 1 ]]; then \
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echo "DBG: gofiles changed for $@"; \
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fi; \
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touch $@.stamp; \
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fi; \
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mv $@.tmp $@
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# This is required to fill in the DAG, since some cases (e.g. 'make clean all')
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# will reference the .stamp file when it doesn't exist. We don't need to
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# rebuild it in that case, just keep make happy.
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$(foreach dir, $(ALL_GO_DIRS), \
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$(META_DIR)/$(dir)/$(GOFILES_META).stamp):
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# Include any deps files as additional Makefile rules. This triggers make to
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# consider the deps files for rebuild, which makes the whole
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# dependency-management logic work. 'sinclude' is "silent include" which does
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# not fail if the file does not exist.
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$(foreach dir, $(ALL_GO_DIRS), $(eval \
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sinclude $(META_DIR)/$(dir)/$(GOFILES_META) \
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))
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# Generate a list of all files that have a `+k8s:` comment-tag. This will be
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# used to derive lists of files/dirs for generation tools.
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ifeq ($(DBG_MAKEFILE),1)
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$(warning ***** finding all +k8s: tags)
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endif
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ALL_K8S_TAG_FILES := $(shell \
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find $(ALL_GO_DIRS) -maxdepth 1 -type f -name \*.go \
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| xargs grep --color=never -l '^// *+k8s:' \
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)
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#
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# Deep-copy generation
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#
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# Any package that wants deep-copy functions generated must include a
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# comment-tag in column 0 of one file of the form:
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# // +k8s:deepcopy-gen=<VALUE>
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#
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# The <VALUE> may be one of:
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# generate: generate deep-copy functions into the package
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# register: generate deep-copy functions and register them with a
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# scheme
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# The result file, in each pkg, of deep-copy generation.
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DEEPCOPY_BASENAME := $(GENERATED_FILE_PREFIX)deepcopy
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DEEPCOPY_FILENAME := $(DEEPCOPY_BASENAME).go
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# The tool used to generate deep copies.
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DEEPCOPY_GEN := $(BIN_DIR)/deepcopy-gen
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# Find all the directories that request deep-copy generation.
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ifeq ($(DBG_MAKEFILE),1)
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$(warning ***** finding all +k8s:deepcopy-gen tags)
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endif
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DEEPCOPY_DIRS := $(shell \
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grep --color=never -l '+k8s:deepcopy-gen=' $(ALL_K8S_TAG_FILES) \
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| xargs -n1 dirname \
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| LC_ALL=C sort -u \
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)
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DEEPCOPY_FILES := $(addsuffix /$(DEEPCOPY_FILENAME), $(DEEPCOPY_DIRS))
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# Shell function for reuse in rules.
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RUN_GEN_DEEPCOPY = \
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function run_gen_deepcopy() { \
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if [[ -f $(META_DIR)/$(DEEPCOPY_GEN).todo ]]; then \
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pkgs=$$(cat $(META_DIR)/$(DEEPCOPY_GEN).todo | paste -sd, -); \
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if [[ "$(DBG_CODEGEN)" == 1 ]]; then \
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echo "DBG: running $(DEEPCOPY_GEN) for $$pkgs"; \
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fi; \
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./hack/run-in-gopath.sh $(DEEPCOPY_GEN) \
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--v $(KUBE_VERBOSE) \
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--logtostderr \
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-i "$$pkgs" \
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--bounding-dirs $(PRJ_SRC_PATH),"k8s.io/api" \
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-O $(DEEPCOPY_BASENAME) \
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"$$@"; \
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fi \
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}; \
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run_gen_deepcopy
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# This rule aggregates the set of files to generate and then generates them all
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# in a single run of the tool.
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.PHONY: gen_deepcopy
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gen_deepcopy: $(DEEPCOPY_FILES) $(DEEPCOPY_GEN)
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$(RUN_GEN_DEEPCOPY)
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.PHONY: verify_gen_deepcopy
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verify_gen_deepcopy: $(DEEPCOPY_GEN)
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$(RUN_GEN_DEEPCOPY) --verify-only
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# For each dir in DEEPCOPY_DIRS, this establishes a dependency between the
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# output file and the input files that should trigger a rebuild.
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#
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# Note that this is a deps-only statement, not a full rule (see below). This
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# has to be done in a distinct step because wildcards don't work in static
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# pattern rules.
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#
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# The '$(eval)' is needed because this has a different RHS for each LHS, and
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# would otherwise produce results that make can't parse.
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#
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# We depend on the $(GOFILES_META).stamp to detect when the set of input files
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# has changed. This allows us to detect deleted input files.
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$(foreach dir, $(DEEPCOPY_DIRS), $(eval \
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$(dir)/$(DEEPCOPY_FILENAME): $(META_DIR)/$(dir)/$(GOFILES_META).stamp \
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$(gofiles__$(dir)) \
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))
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# Unilaterally remove any leftovers from previous runs.
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$(shell rm -f $(META_DIR)/$(DEEPCOPY_GEN)*.todo)
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# How to regenerate deep-copy code. This is a little slow to run, so we batch
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# it up and trigger the batch from the 'generated_files' target.
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$(DEEPCOPY_FILES): $(DEEPCOPY_GEN)
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mkdir -p $$(dirname $(META_DIR)/$(DEEPCOPY_GEN))
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if [[ "$(DBG_CODEGEN)" == 1 ]]; then \
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echo "DBG: deepcopy needed $(@D): $?"; \
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ls -lf --full-time $@ $? || true; \
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fi
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echo $(PRJ_SRC_PATH)/$(@D) >> $(META_DIR)/$(DEEPCOPY_GEN).todo
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# This calculates the dependencies for the generator tool, so we only rebuild
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# it when needed. It is PHONY so that it always runs, but it only updates the
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# file if the contents have actually changed. We 'sinclude' this later.
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.PHONY: $(META_DIR)/$(DEEPCOPY_GEN).mk
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$(META_DIR)/$(DEEPCOPY_GEN).mk:
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mkdir -p $(@D); \
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(echo -n "$(DEEPCOPY_GEN): "; \
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./hack/run-in-gopath.sh go list \
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-f '{{.ImportPath}}{{"\n"}}{{range .Deps}}{{.}}{{"\n"}}{{end}}' \
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./vendor/k8s.io/code-generator/cmd/deepcopy-gen \
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| grep --color=never "^$(PRJ_SRC_PATH)/" \
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| xargs ./hack/run-in-gopath.sh go list \
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-f '{{$$d := .Dir}}{{$$d}}{{"\n"}}{{range .GoFiles}}{{$$d}}/{{.}}{{"\n"}}{{end}}' \
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| paste -sd' ' - \
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| sed 's/ / \\=,/g' \
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| tr '=,' '\n\t' \
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| sed "s|$$(pwd -P)/||"; \
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) > $@.tmp; \
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if ! cmp -s $@.tmp $@; then \
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if [[ "$(DBG_CODEGEN)" == 1 ]]; then \
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echo "DBG: $(DEEPCOPY_GEN).mk changed"; \
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fi; \
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cat $@.tmp > $@; \
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rm -f $@.tmp; \
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fi
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# Include dependency info for the generator tool. This will cause the rule of
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# the same name to be considered and if it is updated, make will restart.
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sinclude $(META_DIR)/$(DEEPCOPY_GEN).mk
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# How to build the generator tool. The deps for this are defined in
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# the $(DEEPCOPY_GEN).mk, above.
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#
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# A word on the need to touch: This rule might trigger if, for example, a
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# non-Go file was added or deleted from a directory on which this depends.
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# This target needs to be reconsidered, but Go realizes it doesn't actually
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# have to be rebuilt. In that case, make will forever see the dependency as
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# newer than the binary, and try to rebuild it over and over. So we touch it,
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# and make is happy.
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$(DEEPCOPY_GEN):
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hack/make-rules/build.sh ./vendor/k8s.io/code-generator/cmd/deepcopy-gen
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touch $@
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#
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# Defaulter generation
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#
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# Any package that wants defaulter functions generated must include a
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# comment-tag in column 0 of one file of the form:
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# // +k8s:defaulter-gen=<VALUE>
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#
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# The <VALUE> depends on context:
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# on types:
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# true: always generate a defaulter for this type
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# false: never generate a defaulter for this type
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# on functions:
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# covers: if the function name matches SetDefault_NAME, instructs
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# the generator not to recurse
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# on packages:
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# FIELDNAME: any object with a field of this name is a candidate
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# for having a defaulter generated
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# The result file, in each pkg, of defaulter generation.
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DEFAULTER_BASENAME := $(GENERATED_FILE_PREFIX)defaults
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DEFAULTER_FILENAME := $(DEFAULTER_BASENAME).go
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# The tool used to generate defaulters.
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DEFAULTER_GEN := $(BIN_DIR)/defaulter-gen
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# All directories that request any form of defaulter generation.
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ifeq ($(DBG_MAKEFILE),1)
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$(warning ***** finding all +k8s:defaulter-gen tags)
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endif
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DEFAULTER_DIRS := $(shell \
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grep --color=never -l '+k8s:defaulter-gen=' $(ALL_K8S_TAG_FILES) \
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| xargs -n1 dirname \
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| LC_ALL=C sort -u \
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)
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DEFAULTER_FILES := $(addsuffix /$(DEFAULTER_FILENAME), $(DEFAULTER_DIRS))
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RUN_GEN_DEFAULTER := \
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function run_gen_defaulter() { \
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if [[ -f $(META_DIR)/$(DEFAULTER_GEN).todo ]]; then \
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pkgs=$$(cat $(META_DIR)/$(DEFAULTER_GEN).todo | paste -sd, -); \
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if [[ "$(DBG_CODEGEN)" == 1 ]]; then \
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echo "DBG: running $(DEFAULTER_GEN) for $$pkgs"; \
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fi; \
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./hack/run-in-gopath.sh $(DEFAULTER_GEN) \
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--v $(KUBE_VERBOSE) \
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--logtostderr \
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-i "$$pkgs" \
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--extra-peer-dirs $$(echo $(addprefix $(PRJ_SRC_PATH)/, $(DEFAULTER_DIRS)) | sed 's/ /,/g') \
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-O $(DEFAULTER_BASENAME) \
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"$$@"; \
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fi \
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}; \
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run_gen_defaulter
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# This rule aggregates the set of files to generate and then generates them all
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# in a single run of the tool.
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.PHONY: gen_defaulter
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gen_defaulter: $(DEFAULTER_FILES) $(DEFAULTER_GEN)
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$(RUN_GEN_DEFAULTER)
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.PHONY: verify_gen_deepcopy
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verify_gen_defaulter: $(DEFAULTER_GEN)
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$(RUN_GEN_DEFAULTER) --verify-only
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# For each dir in DEFAULTER_DIRS, this establishes a dependency between the
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# output file and the input files that should trigger a rebuild.
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#
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# The variable value was set in $(GOFILES_META) and included as part of the
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# dependency management logic.
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#
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# Note that this is a deps-only statement, not a full rule (see below). This
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# has to be done in a distinct step because wildcards don't work in static
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# pattern rules.
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#
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# The '$(eval)' is needed because this has a different RHS for each LHS, and
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# would otherwise produce results that make can't parse.
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#
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# We depend on the $(GOFILES_META).stamp to detect when the set of input files
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# has changed. This allows us to detect deleted input files.
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$(foreach dir, $(DEFAULTER_DIRS), $(eval \
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$(dir)/$(DEFAULTER_FILENAME): $(META_DIR)/$(dir)/$(GOFILES_META).stamp \
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$(gofiles__$(dir)) \
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))
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# For each dir in DEFAULTER_DIRS, for each target in $(defaulters__$(dir)),
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# this establishes a dependency between the output file and the input files
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# that should trigger a rebuild.
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#
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# The variable value was set in $(GOFILES_META) and included as part of the
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# dependency management logic.
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#
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# Note that this is a deps-only statement, not a full rule (see below). This
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# has to be done in a distinct step because wildcards don't work in static
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# pattern rules.
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#
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# The '$(eval)' is needed because this has a different RHS for each LHS, and
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# would otherwise produce results that make can't parse.
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#
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# We depend on the $(GOFILES_META).stamp to detect when the set of input files
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# has changed. This allows us to detect deleted input files.
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$(foreach dir, $(DEFAULTER_DIRS), \
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$(foreach tgt, $(defaulters__$(dir)), $(eval \
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|
$(dir)/$(DEFAULTER_FILENAME): $(META_DIR)/$(tgt)/$(GOFILES_META).stamp \
|
|
$(gofiles__$(tgt)) \
|
|
)) \
|
|
)
|
|
|
|
# Unilaterally remove any leftovers from previous runs.
|
|
$(shell rm -f $(META_DIR)/$(DEFAULTER_GEN)*.todo)
|
|
|
|
# How to regenerate defaulter code. This is a little slow to run, so we batch
|
|
# it up and trigger the batch from the 'generated_files' target.
|
|
$(DEFAULTER_FILES): $(DEFAULTER_GEN)
|
|
mkdir -p $$(dirname $(META_DIR)/$(DEFAULTER_GEN))
|
|
if [[ "$(DBG_CODEGEN)" == 1 ]]; then \
|
|
echo "DBG: defaulter needed $(@D): $?"; \
|
|
ls -lf --full-time $@ $? || true; \
|
|
fi
|
|
echo $(PRJ_SRC_PATH)/$(@D) >> $(META_DIR)/$(DEFAULTER_GEN).todo
|
|
|
|
# This calculates the dependencies for the generator tool, so we only rebuild
|
|
# it when needed. It is PHONY so that it always runs, but it only updates the
|
|
# file if the contents have actually changed. We 'sinclude' this later.
|
|
.PHONY: $(META_DIR)/$(DEFAULTER_GEN).mk
|
|
$(META_DIR)/$(DEFAULTER_GEN).mk:
|
|
mkdir -p $(@D); \
|
|
(echo -n "$(DEFAULTER_GEN): "; \
|
|
./hack/run-in-gopath.sh go list \
|
|
-f '{{.ImportPath}}{{"\n"}}{{range .Deps}}{{.}}{{"\n"}}{{end}}' \
|
|
./vendor/k8s.io/code-generator/cmd/defaulter-gen \
|
|
| grep --color=never "^$(PRJ_SRC_PATH)/" \
|
|
| xargs ./hack/run-in-gopath.sh go list \
|
|
-f '{{$$d := .Dir}}{{$$d}}{{"\n"}}{{range .GoFiles}}{{$$d}}/{{.}}{{"\n"}}{{end}}' \
|
|
| paste -sd' ' - \
|
|
| sed 's/ / \\=,/g' \
|
|
| tr '=,' '\n\t' \
|
|
| sed "s|$$(pwd -P)/||"; \
|
|
) > $@.tmp; \
|
|
if ! cmp -s $@.tmp $@; then \
|
|
if [[ "$(DBG_CODEGEN)" == 1 ]]; then \
|
|
echo "DBG: $(DEFAULTER_GEN).mk changed"; \
|
|
fi; \
|
|
cat $@.tmp > $@; \
|
|
rm -f $@.tmp; \
|
|
fi
|
|
|
|
# Include dependency info for the generator tool. This will cause the rule of
|
|
# the same name to be considered and if it is updated, make will restart.
|
|
sinclude $(META_DIR)/$(DEFAULTER_GEN).mk
|
|
|
|
# How to build the generator tool. The deps for this are defined in
|
|
# the $(DEFAULTER_GEN).mk, above.
|
|
#
|
|
# A word on the need to touch: This rule might trigger if, for example, a
|
|
# non-Go file was added or deleted from a directory on which this depends.
|
|
# This target needs to be reconsidered, but Go realizes it doesn't actually
|
|
# have to be rebuilt. In that case, make will forever see the dependency as
|
|
# newer than the binary, and try to rebuild it over and over. So we touch it,
|
|
# and make is happy.
|
|
$(DEFAULTER_GEN):
|
|
hack/make-rules/build.sh ./vendor/k8s.io/code-generator/cmd/defaulter-gen
|
|
touch $@
|
|
|
|
#
|
|
# Open-api generation
|
|
#
|
|
# Any package that wants open-api functions generated must include a
|
|
# comment-tag in column 0 of one file of the form:
|
|
# // +k8s:openapi-gen=true
|
|
#
|
|
# The result file, in each pkg, of open-api generation.
|
|
OPENAPI_BASENAME := $(GENERATED_FILE_PREFIX)openapi
|
|
OPENAPI_FILENAME := $(OPENAPI_BASENAME).go
|
|
OPENAPI_OUTPUT_PKG := pkg/generated/openapi
|
|
|
|
# The tool used to generate open apis.
|
|
OPENAPI_GEN := $(BIN_DIR)/openapi-gen
|
|
|
|
# Find all the directories that request open-api generation.
|
|
ifeq ($(DBG_MAKEFILE),1)
|
|
$(warning ***** finding all +k8s:openapi-gen tags)
|
|
endif
|
|
OPENAPI_DIRS := $(shell \
|
|
grep --color=never -l '+k8s:openapi-gen=' $(ALL_K8S_TAG_FILES) \
|
|
| xargs -n1 dirname \
|
|
| LC_ALL=C sort -u \
|
|
)
|
|
|
|
OPENAPI_OUTFILE := $(OPENAPI_OUTPUT_PKG)/$(OPENAPI_FILENAME)
|
|
|
|
# This rule is the user-friendly entrypoint for openapi generation.
|
|
.PHONY: gen_openapi
|
|
gen_openapi: $(OPENAPI_OUTFILE) $(OPENAPI_GEN)
|
|
|
|
# For each dir in OPENAPI_DIRS, this establishes a dependency between the
|
|
# output file and the input files that should trigger a rebuild.
|
|
#
|
|
# Note that this is a deps-only statement, not a full rule (see below). This
|
|
# has to be done in a distinct step because wildcards don't work in static
|
|
# pattern rules.
|
|
#
|
|
# The '$(eval)' is needed because this has a different RHS for each LHS, and
|
|
# would otherwise produce results that make can't parse.
|
|
#
|
|
# We depend on the $(GOFILES_META).stamp to detect when the set of input files
|
|
# has changed. This allows us to detect deleted input files.
|
|
$(foreach dir, $(OPENAPI_DIRS), $(eval \
|
|
$(OPENAPI_OUTFILE): $(META_DIR)/$(dir)/$(GOFILES_META).stamp \
|
|
$(gofiles__$(dir)) \
|
|
))
|
|
|
|
# How to regenerate open-api code. This emits a single file for all results.
|
|
$(OPENAPI_OUTFILE): $(OPENAPI_GEN) $(OPENAPI_GEN)
|
|
function run_gen_openapi() { \
|
|
./hack/run-in-gopath.sh $(OPENAPI_GEN) \
|
|
--v $(KUBE_VERBOSE) \
|
|
--logtostderr \
|
|
-i $$(echo $(addprefix $(PRJ_SRC_PATH)/, $(OPENAPI_DIRS)) | sed 's/ /,/g') \
|
|
-p $(PRJ_SRC_PATH)/$(OPENAPI_OUTPUT_PKG) \
|
|
-O $(OPENAPI_BASENAME) \
|
|
"$$@"; \
|
|
}; \
|
|
run_gen_openapi
|
|
|
|
# This calculates the dependencies for the generator tool, so we only rebuild
|
|
# it when needed. It is PHONY so that it always runs, but it only updates the
|
|
# file if the contents have actually changed. We 'sinclude' this later.
|
|
.PHONY: $(META_DIR)/$(OPENAPI_GEN).mk
|
|
$(META_DIR)/$(OPENAPI_GEN).mk:
|
|
mkdir -p $(@D); \
|
|
(echo -n "$(OPENAPI_GEN): "; \
|
|
./hack/run-in-gopath.sh go list \
|
|
-f '{{.ImportPath}}{{"\n"}}{{range .Deps}}{{.}}{{"\n"}}{{end}}' \
|
|
./vendor/k8s.io/code-generator/cmd/openapi-gen \
|
|
| grep --color=never "^$(PRJ_SRC_PATH)/" \
|
|
| xargs ./hack/run-in-gopath.sh go list \
|
|
-f '{{$$d := .Dir}}{{$$d}}{{"\n"}}{{range .GoFiles}}{{$$d}}/{{.}}{{"\n"}}{{end}}' \
|
|
| paste -sd' ' - \
|
|
| sed 's/ / \\=,/g' \
|
|
| tr '=,' '\n\t' \
|
|
| sed "s|$$(pwd -P)/||"; \
|
|
) > $@.tmp; \
|
|
if ! cmp -s $@.tmp $@; then \
|
|
if [[ "$(DBG_CODEGEN)" == 1 ]]; then \
|
|
echo "DBG: $(OPENAPI_GEN).mk changed"; \
|
|
fi; \
|
|
cat $@.tmp > $@; \
|
|
rm -f $@.tmp; \
|
|
fi
|
|
|
|
# Include dependency info for the generator tool. This will cause the rule of
|
|
# the same name to be considered and if it is updated, make will restart.
|
|
sinclude $(META_DIR)/$(OPENAPI_GEN).mk
|
|
|
|
# How to build the generator tool. The deps for this are defined in
|
|
# the $(OPENAPI_GEN).mk, above.
|
|
#
|
|
# A word on the need to touch: This rule might trigger if, for example, a
|
|
# non-Go file was added or deleted from a directory on which this depends.
|
|
# This target needs to be reconsidered, but Go realizes it doesn't actually
|
|
# have to be rebuilt. In that case, make will forever see the dependency as
|
|
# newer than the binary, and try to rebuild it over and over. So we touch it,
|
|
# and make is happy.
|
|
$(OPENAPI_GEN):
|
|
hack/make-rules/build.sh ./vendor/k8s.io/code-generator/cmd/openapi-gen
|
|
touch $@
|
|
|
|
#
|
|
# Conversion generation
|
|
#
|
|
# Any package that wants conversion functions generated must include one or
|
|
# more comment-tags in any .go file, in column 0, of the form:
|
|
# // +k8s:conversion-gen=<CONVERSION_TARGET_DIR>
|
|
#
|
|
# The CONVERSION_TARGET_DIR is a project-local path to another directory which
|
|
# should be considered when evaluating peer types for conversions. Types which
|
|
# are found in the source package (where conversions are being generated)
|
|
# but do not have a peer in one of the target directories will not have
|
|
# conversions generated.
|
|
#
|
|
# TODO: it might be better in the long term to make peer-types explicit in the
|
|
# IDL.
|
|
|
|
# The result file, in each pkg, of conversion generation.
|
|
CONVERSION_BASENAME := $(GENERATED_FILE_PREFIX)conversion
|
|
CONVERSION_FILENAME := $(CONVERSION_BASENAME).go
|
|
|
|
# The tool used to generate conversions.
|
|
CONVERSION_GEN := $(BIN_DIR)/conversion-gen
|
|
|
|
# The name of the metadata file listing conversion peers for each pkg.
|
|
CONVERSIONS_META := conversions.mk
|
|
|
|
# All directories that request any form of conversion generation.
|
|
ifeq ($(DBG_MAKEFILE),1)
|
|
$(warning ***** finding all +k8s:conversion-gen tags)
|
|
endif
|
|
CONVERSION_DIRS := $(shell \
|
|
grep --color=never '^// *+k8s:conversion-gen=' $(ALL_K8S_TAG_FILES) \
|
|
| cut -f1 -d: \
|
|
| xargs -n1 dirname \
|
|
| LC_ALL=C sort -u \
|
|
)
|
|
|
|
CONVERSION_FILES := $(addsuffix /$(CONVERSION_FILENAME), $(CONVERSION_DIRS))
|
|
CONVERSION_EXTRA_PEER_DIRS := k8s.io/kubernetes/pkg/apis/core,k8s.io/kubernetes/pkg/apis/core/v1,k8s.io/api/core/v1
|
|
|
|
# Shell function for reuse in rules.
|
|
RUN_GEN_CONVERSION = \
|
|
function run_gen_conversion() { \
|
|
if [[ -f $(META_DIR)/$(CONVERSION_GEN).todo ]]; then \
|
|
pkgs=$$(cat $(META_DIR)/$(CONVERSION_GEN).todo | paste -sd, -); \
|
|
if [[ "$(DBG_CODEGEN)" == 1 ]]; then \
|
|
echo "DBG: running $(CONVERSION_GEN) for $$pkgs"; \
|
|
fi; \
|
|
./hack/run-in-gopath.sh $(CONVERSION_GEN) \
|
|
--extra-peer-dirs $(CONVERSION_EXTRA_PEER_DIRS) \
|
|
--v $(KUBE_VERBOSE) \
|
|
--logtostderr \
|
|
-i "$$pkgs" \
|
|
-O $(CONVERSION_BASENAME) \
|
|
"$$@"; \
|
|
fi \
|
|
}; \
|
|
run_gen_conversion
|
|
|
|
# This rule aggregates the set of files to generate and then generates them all
|
|
# in a single run of the tool.
|
|
.PHONY: gen_conversion
|
|
gen_conversion: $(CONVERSION_FILES) $(CONVERSION_GEN)
|
|
$(RUN_GEN_CONVERSION)
|
|
|
|
.PHONY: verify_gen_conversion
|
|
verify_gen_conversion: $(CONVERSION_GEN)
|
|
$(RUN_GEN_CONVERSION) --verify-only
|
|
|
|
# Establish a dependency between the deps file and the dir. Whenever a dir
|
|
# changes (files added or removed) the deps file will be considered stale.
|
|
#
|
|
# This is looser than we really need (e.g. we don't really care about non *.go
|
|
# files or even *_test.go files), but this is much easier to represent.
|
|
#
|
|
# Because we 'sinclude' the deps file, it is considered for rebuilding, as part
|
|
# of make's normal evaluation. If it gets rebuilt, make will restart.
|
|
#
|
|
# The '$(eval)' is needed because this has a different RHS for each LHS, and
|
|
# would otherwise produce results that make can't parse.
|
|
$(foreach dir, $(CONVERSION_DIRS), $(eval \
|
|
$(META_DIR)/$(dir)/$(CONVERSIONS_META): $(dir) \
|
|
))
|
|
|
|
# How to rebuild a deps file. When make determines that the deps file is stale
|
|
# (see above), it executes this rule, and then re-loads the deps file.
|
|
#
|
|
# This is looser than we really need (e.g. we don't really care about test
|
|
# files), but this is MUCH faster than calling `go list`.
|
|
#
|
|
# We regenerate the output file in order to satisfy make's "newer than" rules,
|
|
# but we only need to rebuild targets if the contents actually changed. That
|
|
# is what the .stamp file represents.
|
|
$(foreach dir, $(CONVERSION_DIRS), \
|
|
$(META_DIR)/$(dir)/$(CONVERSIONS_META)):
|
|
TAGS=$$(grep --color=never -h '^// *+k8s:conversion-gen=' $</*.go \
|
|
| cut -f2- -d= \
|
|
| sed 's|$(PRJ_SRC_PATH)/||' \
|
|
| sed 's|^k8s.io/|vendor/k8s.io/|'); \
|
|
mkdir -p $(@D); \
|
|
echo "conversions__$< := $$(echo $${TAGS})" >$@.tmp; \
|
|
if ! cmp -s $@.tmp $@; then \
|
|
if [[ "$(DBG_CODEGEN)" == 1 ]]; then \
|
|
echo "DBG: conversions changed for $@"; \
|
|
fi; \
|
|
touch $@.stamp; \
|
|
fi; \
|
|
mv $@.tmp $@
|
|
|
|
# Include any deps files as additional Makefile rules. This triggers make to
|
|
# consider the deps files for rebuild, which makes the whole
|
|
# dependency-management logic work. 'sinclude' is "silent include" which does
|
|
# not fail if the file does not exist.
|
|
$(foreach dir, $(CONVERSION_DIRS), $(eval \
|
|
sinclude $(META_DIR)/$(dir)/$(CONVERSIONS_META) \
|
|
))
|
|
|
|
# For each dir in CONVERSION_DIRS, this establishes a dependency between the
|
|
# output file and the input files that should trigger a rebuild.
|
|
#
|
|
# The variable value was set in $(GOFILES_META) and included as part of the
|
|
# dependency management logic.
|
|
#
|
|
# Note that this is a deps-only statement, not a full rule (see below). This
|
|
# has to be done in a distinct step because wildcards don't work in static
|
|
# pattern rules.
|
|
#
|
|
# The '$(eval)' is needed because this has a different RHS for each LHS, and
|
|
# would otherwise produce results that make can't parse.
|
|
#
|
|
# We depend on the $(GOFILES_META).stamp to detect when the set of input files
|
|
# has changed. This allows us to detect deleted input files.
|
|
$(foreach dir, $(CONVERSION_DIRS), $(eval \
|
|
$(dir)/$(CONVERSION_FILENAME): $(META_DIR)/$(dir)/$(GOFILES_META).stamp \
|
|
$(gofiles__$(dir)) \
|
|
))
|
|
|
|
# For each dir in CONVERSION_DIRS, for each target in $(conversions__$(dir)),
|
|
# this establishes a dependency between the output file and the input files
|
|
# that should trigger a rebuild.
|
|
#
|
|
# The variable value was set in $(GOFILES_META) and included as part of the
|
|
# dependency management logic.
|
|
#
|
|
# Note that this is a deps-only statement, not a full rule (see below). This
|
|
# has to be done in a distinct step because wildcards don't work in static
|
|
# pattern rules.
|
|
#
|
|
# The '$(eval)' is needed because this has a different RHS for each LHS, and
|
|
# would otherwise produce results that make can't parse.
|
|
#
|
|
# We depend on the $(GOFILES_META).stamp to detect when the set of input files
|
|
# has changed. This allows us to detect deleted input files.
|
|
$(foreach dir, $(CONVERSION_DIRS), \
|
|
$(foreach tgt, $(conversions__$(dir)), $(eval \
|
|
$(dir)/$(CONVERSION_FILENAME): $(META_DIR)/$(tgt)/$(GOFILES_META).stamp \
|
|
$(gofiles__$(tgt)) \
|
|
)) \
|
|
)
|
|
|
|
# Unilaterally remove any leftovers from previous runs.
|
|
$(shell rm -f $(META_DIR)/$(CONVERSION_GEN)*.todo)
|
|
|
|
# How to regenerate conversion code. This is a little slow to run, so we batch
|
|
# it up and trigger the batch from the 'generated_files' target.
|
|
$(CONVERSION_FILES): $(CONVERSION_GEN)
|
|
mkdir -p $$(dirname $(META_DIR)/$(CONVERSION_GEN))
|
|
if [[ "$(DBG_CODEGEN)" == 1 ]]; then \
|
|
echo "DBG: conversion needed $(@D): $?"; \
|
|
ls -lf --full-time $@ $? || true; \
|
|
fi
|
|
echo $(PRJ_SRC_PATH)/$(@D) >> $(META_DIR)/$(CONVERSION_GEN).todo
|
|
|
|
# This calculates the dependencies for the generator tool, so we only rebuild
|
|
# it when needed. It is PHONY so that it always runs, but it only updates the
|
|
# file if the contents have actually changed. We 'sinclude' this later.
|
|
.PHONY: $(META_DIR)/$(CONVERSION_GEN).mk
|
|
$(META_DIR)/$(CONVERSION_GEN).mk:
|
|
mkdir -p $(@D); \
|
|
(echo -n "$(CONVERSION_GEN): "; \
|
|
./hack/run-in-gopath.sh go list \
|
|
-f '{{.ImportPath}}{{"\n"}}{{range .Deps}}{{.}}{{"\n"}}{{end}}' \
|
|
./vendor/k8s.io/code-generator/cmd/conversion-gen \
|
|
| grep --color=never "^$(PRJ_SRC_PATH)/" \
|
|
| xargs ./hack/run-in-gopath.sh go list \
|
|
-f '{{$$d := .Dir}}{{$$d}}{{"\n"}}{{range .GoFiles}}{{$$d}}/{{.}}{{"\n"}}{{end}}' \
|
|
| paste -sd' ' - \
|
|
| sed 's/ / \\=,/g' \
|
|
| tr '=,' '\n\t' \
|
|
| sed "s|$$(pwd -P)/||"; \
|
|
) > $@.tmp; \
|
|
if ! cmp -s $@.tmp $@; then \
|
|
if [[ "$(DBG_CODEGEN)" == 1 ]]; then \
|
|
echo "DBG: $(CONVERSION_GEN).mk changed"; \
|
|
fi; \
|
|
cat $@.tmp > $@; \
|
|
rm -f $@.tmp; \
|
|
fi
|
|
|
|
# Include dependency info for the generator tool. This will cause the rule of
|
|
# the same name to be considered and if it is updated, make will restart.
|
|
sinclude $(META_DIR)/$(CONVERSION_GEN).mk
|
|
|
|
# How to build the generator tool. The deps for this are defined in
|
|
# the $(CONVERSION_GEN).mk, above.
|
|
#
|
|
# A word on the need to touch: This rule might trigger if, for example, a
|
|
# non-Go file was added or deleted from a directory on which this depends.
|
|
# This target needs to be reconsidered, but Go realizes it doesn't actually
|
|
# have to be rebuilt. In that case, make will forever see the dependency as
|
|
# newer than the binary, and try to rebuild it over and over. So we touch it,
|
|
# and make is happy.
|
|
$(CONVERSION_GEN):
|
|
hack/make-rules/build.sh ./vendor/k8s.io/code-generator/cmd/conversion-gen
|
|
touch $@
|