41b065336f
check conditions of make for equality of variables with an empty value instead of check definition. A defined but empty variable under all these conditions results errors.
134 lines
3.5 KiB
Makefile
134 lines
3.5 KiB
Makefile
# step 3: copy the needed features to $(BUILDDIR)
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# (only regarding the needed subprofiles)
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ifeq (,$(BUILDDIR))
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help/plus all: banner
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@$(call grepper,'^+')
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help/features: banner
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@$(call grepper,'^use/')
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banner:
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@echo "** BUILDDIR not defined; available features:"
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grepper = $(and $(1),$(grepper_body))
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define grepper_body
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@for dir in */; do \
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out="`grep -h $(1) $$dir/config.mk \
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| cut -f1 -d: \
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| tr ' ' '\n\n' \
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| grep $(1) \
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| tr '\n' ' ' \
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| sort -u`"; \
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[ -z "$$out" ] || echo "$$dir: $$out"; \
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done
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endef
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check:
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@../bin/check-recipe */config.mk
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%:
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$(error BUILDDIR not defined)
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else
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export BUILDDIR
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include $(BUILDDIR)/distcfg.mk
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# first rsync what's static, and make backups (*~) --
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# these might signal of file clashes (or plain dirt);
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# second, care for toplevel dirs;
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# then handle feature generator scripts
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#
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# NB: some subprofiles will be specified as "src/dst"
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# -- then both src/ and dst/ can hold the addons;
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# still both pieces go into a single destination
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### sorry for somewhat complicated and overly long lines
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TARGETS := prep $(FEATURES) finalize
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.PHONY: $(TARGETS)
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all: | $(TARGETS)
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prep:
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@echo "** starting feature configuration"
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@if [ -n "$(GLOBAL_DEBUG)" ]; then \
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echo "** target subprofiles: $(SUBPROFILES)"; \
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echo "** requested features: $(FEATURES)"; \
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fi
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# feat
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# NB: this is somewhat complicated since it has to handle "$sub" like:
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# - "/": copy feature's toplevel parts to the BUILDDIR toplevel
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# - "stage1": copy feature's stage1 parts into stage1 subprofile
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# - "stage2@live": copy feature's stage2 parts into live subprofile
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# - "rootfs@/": copy feature's rootfs parts into BUILDDIR toplevel
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$(FEATURES):
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@feat=$@; \
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args="-qab --exclude README --exclude config.mk"; \
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args="$$args --exclude generate.mk --exclude generate.sh"; \
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if [ -n "$(GLOBAL_DEBUG)" ]; then \
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echo "** adding $$feat feature"; \
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fi; \
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pushd "$$feat" >/dev/null && \
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for sub in / $(SUBPROFILES); do \
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if [ "$$sub" = / ]; then \
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srcdirs="."; \
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dst="."; \
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else \
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src="$${sub%@*}"; \
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dst="$${sub#*@}"; \
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if [ "$$src" = / ]; then \
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echo "** src=/: you don't want this" >&2; \
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exit 1; \
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fi; \
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if [ "$$dst" = / -o "$$dst" = "" ]; then \
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dst="."; \
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fi; \
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srcdirs=; \
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if [ -d "$$src" ]; then \
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srcdirs="$$src"; \
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fi; \
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if [ -d "$$dst" -a "$$dst" != "$$src" ]; then \
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srcdirs="$${srcdirs:+$$srcdirs }$$dst"; \
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fi; \
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: "why this overduplication was done? (still needed)"; \
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for srcdir in $$srcdirs; do \
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rsync $$args "$$srcdir/" "$(BUILDDIR)/$$dst/"; \
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done; \
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fi; \
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if [ -n "$(GLOBAL_DEBUG)" ]; then \
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echo "** src=[$$src] dst=[$$dst] srcdirs=[$$srcdirs]"; \
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fi; \
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for srcdir in $$srcdirs; do \
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[ -d "$$srcdir" ] || continue; \
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pushd "$$srcdir" >&/dev/null; \
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for part in lib {image-,}scripts.d; do \
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destdir="$(BUILDDIR)/$$dst/$$part"; \
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[ -d "$$destdir" ] || continue; \
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if [ "$$sub" = / -a -d "$$part" ]; then \
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rsync $$args "$$part/" "$$destdir/"; \
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fi; \
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done; \
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popd >&/dev/null; \
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done; \
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if [ -n "$$dst" -a "$$dst" != "." ]; then \
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the="$$sub subprofile"; \
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else \
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the="toplevel"; \
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fi; \
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mp-commit "$(BUILDDIR)/$$dst/" "$$feat feature: $$the part added"; \
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done; \
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if [ -x "generate.sh" ]; then sh generate.sh; fi; \
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if [ -s "generate.mk" ]; then $(MAKE) -f generate.mk; fi; \
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mp-commit "$(BUILDDIR)" "$$feat feature generation complete"; \
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popd >/dev/null
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finalize:
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@find "$(BUILDDIR)/" -name '*~' \
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| sed "s,$(BUILDDIR)/,** warning: file clash: ," >&2
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endif
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