X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;ds=sidebyside;f=makefile;h=d9bd9d5f3a19f7ad0cc427d2ce7adaa0b0c86f61;hb=7b6c4a0dba2844a0ecc1fd96a951f9c4c021f0a4;hp=cfe6f2016f92e8f6fd580bad4267521ab6f00df4;hpb=c7fe6fa3e9c7f25fc3b14b7fc294dddad730fb32;p=mjotex.git

diff --git a/makefile b/makefile
index cfe6f20..d9bd9d5 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.
@@ -95,9 +98,16 @@ $(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 +118,7 @@ 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,nav,out,pdf,snm,toc,xml}
 	rm -rf dist/
 
 # If this document will be published, the publisher isn't going to