X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=makefile;h=331c65cd70c266c3cef55ca9a6ed7278b1a94bee;hb=987368c596bfe23dbcbaf5260a0d7011c9d3fc1e;hp=cfe6f2016f92e8f6fd580bad4267521ab6f00df4;hpb=a688c85fecb01a14d1ce3c123c35da5c55083c3e;p=mjotex.git

diff --git a/makefile b/makefile
index cfe6f20..331c65c 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 +25,15 @@ 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
+BIBPATHS = $(shell kpsewhich $(BIBS))
+SRCS += $(BIBPATHS)
+endif
+ifdef MJOTEX
+MJOTEXPATHS = $(shell kpsewhich $(MJOTEX))
+SRCS += $(MJOTEXPATHS)
+endif
 
 
 # The first target is the default, so put the PDF document first.
@@ -95,9 +106,16 @@ $(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.
@@ -108,7 +126,8 @@ check:
 # 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
@@ -119,4 +138,4 @@ clean:
 .PHONY: dist
 dist: $(PN).bbl
 	mkdir -p dist
-	cp $(SRCS) $(PN).bbl dist/
+	cp $(SRCS) $(PN).bbl $(BIBPATHS) $(MJOTEXPATHS) dist/