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60 lines
2.1 KiB
60 lines
2.1 KiB
# Note: this whole makefile is a huge hack, is highly unportable, and probably
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# won’t even do what it’s supposed to do. So, use with care, have fun :)
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PRESENTATIONS=$(patsubst %.tex, %.pdf, $(wildcard presentations/*.tex))
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BUILD_DIR=build
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BUILD_DECKS=$(subst presentations/,$(BUILD_DIR)/,$(wildcard presentations/content/*))
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LATEX=pdflatex -output-directory $(BUILD_DIR)
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all: $(PRESENTATIONS)
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clean:
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rm -fr presentations/$(BUILD_DIR)
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distclean: clean
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rm -f presentations/*.pdf
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# Extract dependencies for presentations by looking at the source code and
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# extracting all calls to \includedeck from them; it returns a list of elements
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# like ’presentations/content/ccc/ccc_lokal.tex’
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# Yes, we are using perl: a system that has make probably also has perl; if not,
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# blame me.
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define presentation_dependencies
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$(shell perl -ne '/includedeck\{(.*)\}/ && print "presentations/content/", $$1, ".tex "' $(1))
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endef
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# This template is called with arguments like ‘presentations/xxx.pdf’; it
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# generates a rule that dependes on the corresponding tex file as well as on all
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# decks used in that tex file; dependencies are of the form
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# ‘presentations/content/ccc/ccc_lokal.tex’
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define PRESENTATION_template
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.ONESHELL: $(1)
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$(1): $(subst .pdf,.tex,$(1)) $(call presentation_dependencies,$(subst .pdf,.tex,$(1)))
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echo $$^
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cd presentations
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mkdir -p $(BUILD_DECKS)
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$(LATEX) $$(notdir $$<)
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$(LATEX) $$(notdir $$<)
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mv $(subst presentations/,$(BUILD_DIR)/,$(1)) .
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endef
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$(foreach presentation, $(PRESENTATIONS), \
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$(eval $(call PRESENTATION_template, $(presentation))))
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# This template is called with a single argument like
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# ‘presentations/content/ccc/ccc_bundesweit.tex’; it generates a rule that
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# dependes on all images used by the tex file. The actual recipe just checks
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# whether the tex file is existent and updates the timestamp.
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define DECK_template
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$(1): $(shell perl -ne '/includegraphics[^\{]*\{([^\}]*)\}/ && print "presentations/", $$1, " "' $(1))
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test -f $(1) && touch $(1)
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endef
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# Files contained in decks are only considered at top-level.
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$(foreach deck, $(wildcard presentations/content/*/*.tex), \
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$(eval $(call DECK_template, $(deck))))
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