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Some comments for the Makefile

This commit is contained in:
Daniel - 2018-08-19 17:03:00 +02:00
parent d45a004e7a
commit 27d66a7b58
Signed by: dbo
GPG Key ID: 4F63DB96D45AA9C6
1 changed files with 13 additions and 0 deletions
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13
Makefile
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@ -11,14 +11,27 @@ clean:
distclean: clean
rm -f presentations/*.pdf
# A rule to make build directories when needed; the call to .SECONDARY ensures
# that these directories are not deleted when they are generated as intermediate
# targets
.SECONDARY: $(BUILD_DECKS)
presentations/$(BUILD_DIR)/%:
mkdir -p $@
# Extract dependencies for presentations by looking at the source code and
# extracting all calls to \includedeck from them; it returns a list of elements
# like ’presentations/content/ccc/ccc_lokal.tex’
define presentation_dependencies
$(shell perl -ne '/includedeck\{(.*)\}/ && print "presentations/content/", $$1, ".tex "' $(1))
endef
# This template is called with arguments like ‘presentation/xxx.pdf’; it
# generates a rule that dependes on the corresponding tex file as well as on all
# decks used in that tex file; dependencies are of the form
# ‘content/ccc/ccc_lokal.tex’
define PRESENTATION_template
.ONESHELL: $(1)
$(1): $(subst .pdf,.tex,$(1)) $(call presentation_dependencies,$(subst .pdf,.tex,$(1)))