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78 lines
2.7 KiB
Makefile
78 lines
2.7 KiB
Makefile
# Root file system for test environment.
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#
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# Copyright (c) 2021 Jacques de Laval <jacques@de-laval.se>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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srcdir ?= ../
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SKEL ?= $(srcdir)/skel
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DEST ?= ../tenv-root
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CACHE ?= ~/.cache
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ARCH ?= x86_64
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FINITBIN ?= ./sbin/finit
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BBVER ?= 1_35_0
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BBBIN = busybox-$(ARCH)
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BBHOME ?= https://github.com/troglobit/busybox-builder/releases/download
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BBURL ?= $(BBHOME)/$(BBVER)/$(BBBIN)
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_libs_src = $(shell ldd $(FINITBIN) | grep -Eo '/[^ ]+')
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libs = $(foreach path,$(_libs_src),$(abspath $(DEST))$(path))
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all: $(libs) $(DEST)/bin/$(BBBIN)
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@(cd $(DEST); \
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for prg in `./bin/$(BBBIN) --list-full`; do \
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ln -sf /bin/$(BBBIN) $$prg; \
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done)
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$(DEST)/bin/$(BBBIN).sha256:
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@mkdir -p $(DEST)
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@cp -a $(SKEL)/* $(DEST)/
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@chmod -R u+w $(DEST)/
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@find $(DEST) -name .empty -delete
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$(DEST)/bin/$(BBBIN): $(DEST)/bin/$(BBBIN).sha256
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@(cd $(dir $@); \
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if ! sha256sum --status -c $(BBBIN).sha256 2>/dev/null; then \
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if [ -d $(CACHE) ]; then \
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echo "Cannot find $(BBBIN), checking $(CACHE) ..."; \
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cd $(CACHE); \
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cp -v $(DEST)/bin/$(BBBIN).sha256 .; \
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if ! sha256sum --status -c $(BBBIN).sha256; then \
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echo "No $(BBBIN), downloading $(BBURL) ..."; \
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wget -O $(BBBIN) $(BBURL); \
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else \
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echo "Found valid $(BBBIN) in cache!"; \
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fi; \
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cp $(BBBIN) $@; \
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cd $(dir $@); \
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else \
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echo "Cannot find $(BBBIN), downloading ..."; \
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wget -O $@ $(BBURL); \
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fi; \
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sha256sum -c $(BBBIN).sha256 || (rm $@; false); \
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fi)
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@chmod +x $@
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$(libs): $(DEST)/bin/$(BBBIN).sha256
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mkdir -p $(dir $@)
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cp $(patsubst $(abspath $(DEST))%,%,$@) $@
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