--- detex-2.8/Makefile.orig	2012-03-02 19:08:01.000000000 -0500
+++ detex-2.8/Makefile	2012-03-02 19:11:53.000000000 -0500
@@ -67,13 +67,13 @@
 # Add -DNO_MALLOC_DECL if your system does not like the malloc() declaration
 # in detex.l (reported by pinard@iro.umontreal.ca)
 #
-#DEFS	+= ${DEFS} -DNO_MALLOC_DECL
+DEFS	:= ${DEFS} -DNO_MALLOC_DECL
 #
-CFLAGS	= -O ${DEFS}
+CFLAGS	= -O -std=c89 -Wno-return-type ${DEFS}
 
 # Use your favorite lexical scanner
 #
-LEX	= lex
+LEX	= flex
 #LEX	= flex
 
 #LFLAGS	= -8 -C
@@ -122,9 +122,9 @@
 # this target
 install: detex
 	rm -f ${DESTDIR}/detex
-	install -c -m 775 -o binary -g staff -s detex ${DESTDIR}
-#	rm -f ${DESTDIR}/delatex
-#	ln ${DESTDIR}/detex ${DESTDIR}/delatex
+	install -c -m 775 -s detex ${DESTDIR}
+	rm -f ${DESTDIR}/delatex
+	ln ${DESTDIR}/detex ${DESTDIR}/delatex
 
 clean:
 	-rm -f a.out core *.s *.o ERRS errs .,* .emacs_[0-9]*