788cad885e
The purpose is being able to examine particular target interdependency graph for a given image having been configured to avoid convoluted dependencies (loops in particular). The implementation is based on SHELL hook hint by John Graham-Cumming: http://cmcrossroads.com/ask-mr-make/6535-tracing-rule-execution-in-gnu-make
68 lines
1.9 KiB
Makefile
68 lines
1.9 KiB
Makefile
# step 4 is kicked off here but actually done by image.in/Makefile
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ANSI_OK ?= 1;32
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ANSI_FAIL ?= 1;31
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ifndef MKIMAGE_PROFILES
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$(error this makefile is designed to be included in toplevel one)
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endif
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# try not to bog down the system, both CPU and I/O wise
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ifdef NICE
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START := nice $(shell ionice -c3 echo "ionice -c3" 2>/dev/null)
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endif
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# in kilobytes (a kilometer is 1024 meters, you know)
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LOWSPACE = 1024
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# it's also nice to know how long and much it takes
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START += time -f "%E %PCPU %Mk"
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# /usr/bin/{i586,x86_64} are setarch(8) symlinks
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START += $(ARCH)
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# to be passed into distcfg.mk; suggestions are welcome
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IMAGEDIR ?= $(shell \
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if [ -d "$$HOME/out" -a -w "$$HOME/out" ]; then \
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echo "$$HOME/out"; \
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else \
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dir="`dirname $(BUILDDIR)`/out"; \
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mkdir -p "$$dir" && echo "$$dir" || echo "/tmp"; \
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fi; \
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)
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# actual build starter
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# NB: our output MUST go into stderr to escape POSTPROC
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build-image: profile/populate
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@{ \
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if [ -n "$(CHECK)" ]; then \
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echo "$(TIME) skipping actual image build (CHECK is set)"; \
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exit; \
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fi; \
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echo -n "$(TIME) starting image build"; \
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if [ -n "$(DEBUG)" ]; then \
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echo ": tail -f $(BUILDLOG)" $(SHORTEN); \
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else \
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echo " (coffee time)"; \
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fi; \
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if $(START) $(MAKE) -C $(BUILDDIR)/ $(LOG); then \
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echo "$(TIME) done (`tail -1 $(BUILDLOG) | cut -f1 -d.`)"; \
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tail -200 "$(BUILDLOG)" $(SHORTEN) \
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| GREP_COLOR="$(ANSI_OK)" GREP_OPTIONS="--color=auto" \
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grep '^\*\* image: .*' ||:; \
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else \
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echo -n "$(TIME) failed, see log"; \
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if [ -z "$(DEBUG)" ]; then \
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echo ": $(BUILDLOG)" $(SHORTEN); \
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echo "$(TIME) (you might want to rerun with DEBUG=1)"; \
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else \
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echo " above"; \
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fi; \
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tail -200 "$(BUILDLOG)" \
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| GREP_COLOR="$(ANSI_FAIL)" GREP_OPTIONS="--color=auto" \
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egrep "^((E:|[Ee]rror|[Ww]arning).*)|(.* Stop\.)$$"; \
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df -P $(BUILDDIR) | awk 'END { if ($$4 < $(LOWSPACE)) \
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{ print "NB: low space on "$$6" ("$$5" used)"}}'; \
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fi; \
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if [ -n "$(BELL)" ]; then echo -ne '\a'; fi; \
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} >&2
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