X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mjotex.git;a=blobdiff_plain;f=makefile;h=eabe908839945305a694fe7552ebbb25fb9ed5dc;hp=7a9df645e7066ed45043c65afac036ba91211d03;hb=59e4fa4c0281befce512b366f66e0e92c1740e29;hpb=22c2d3825cff157d59e5b9d22570ca2465939c6f

diff --git a/makefile b/makefile
index 7a9df64..eabe908 100644
--- a/makefile
+++ b/makefile
@@ -6,11 +6,14 @@
 LATEX = pdflatex -file-line-error -halt-on-error
 
 # The name of this document.
-PN := paper
+PN = examples
 
 # A space-separated list of bib files. These must all belong to paths
 # contained in your $BIBINPUTS environment variable.
-BIBS = references.bib
+#
+# Leave commented if you don't use a bibliography file.
+#
+#BIBS = references.bib
 
 # A space-separated list of the mjotex files that you use. The path to
 # mjotex must be contain in your $TEXINPUTS environment variable.
@@ -22,7 +25,13 @@ MJOTEX += mjo-theorem-star.tex mjo-topology.tex
 # Use kpsewhich (from the kpathsea suite) to find the absolute paths
 # of the bibtex/mjotex files listed in in $(BIBS)/$(MJOTEX). The SRCS
 # variable should contain all (Bib)TeX source files for the document.
-SRCS = $(PN).tex $(shell kpsewhich $(BIBS)) $(shell kpsewhich $(MJOTEX))
+SRCS = $(PN).tex
+ifdef BIBS
+SRCS += $(shell kpsewhich $(BIBS))
+endif
+ifdef MJOTEX
+SRCS += $(shell kpsewhich $(MJOTEX))
+endif
 
 
 # The first target is the default, so put the PDF document first.
@@ -95,20 +104,28 @@ $(PN).aux: $(SRCS)
 # As a side effect, we now need to depend on $(SRCS) here, since we
 # won't pick it up transitively from $(PN).aux.
 #
+# If the $BIBS variable is undefined, we presume that there are no
+# references and create an empty bbl file. Otherwise, we risk trying
+# to run biblatex on an aux file containing no citations.
+#
 $(PN).bbl: $(SRCS) | $(PN).aux
+ifdef BIBS
 	bibtex $(PN).aux
-
+else
+	echo -n '' > $@
+endif
 
 # Run chktex to find silly mistakes. There is some exit code weirdness
 # (Savannah bug 45979), so we just look for empty output.
 .PHONY: check
 check:
-	@[ -z "$(shell chktex -q mjotex.sty)" ]
+	@[ -z "$(shell chktex --quiet mjotex.sty)" ]
 
 # Clean up leftover junk.
 .PHONY: clean
 clean:
-	rm -f *.{aux,bbl,bcf,bib,blg,lof,log,nav,out,pdf,snm,toc,xml}
+	rm -f *.{aux,bbl,bcf,bib,blg,listing,lof,log}
+	rm -f *.{nav,out,pdf,snm,spl,toc,xml}
 	rm -rf dist/
 
 # If this document will be published, the publisher isn't going to