X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mjotex.git;a=blobdiff_plain;f=makefile;h=eabe908839945305a694fe7552ebbb25fb9ed5dc;hp=d9bd9d5f3a19f7ad0cc427d2ce7adaa0b0c86f61;hb=59e4fa4c0281befce512b366f66e0e92c1740e29;hpb=7b6c4a0dba2844a0ecc1fd96a951f9c4c021f0a4

diff --git a/makefile b/makefile
index d9bd9d5..eabe908 100644
--- a/makefile
+++ b/makefile
@@ -25,7 +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.
@@ -118,7 +124,8 @@ check:
 # Clean up leftover junk.
 .PHONY: clean
 clean:
-	rm -f *.{aux,bbl,bcf,bib,blg,listing,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