Fix the build problem with XFree-4.x.

Add warnings about the conflicts with teTeX when it is installed.

Submitted by:	trevor

print/xdvi/Makefile

@@ -27,6 +27,18 @@ IS_INTERACTIVE=	yes
 
 MAN1=		xdvi.1
 
+post-configure:
+	@${PERL} -pi -e "s=distclean::=distclean:=g" ${WRKSRC}/Makefile
+
+pre-install:
+	@if ls /var/db/pkg/ | grep -qi ^tetex; then\
+	${ECHO_MSG} "*** WARNING ***";\
+	${ECHO_MSG} "This port conflicts with teTeX!  If you have already installed";\
+	${ECHO_MSG} "teTeX, you may want to backup the xdvi and MakeTeXPK commands.";\
+	${ECHO};\
+	${ECHO_MSG} "To cancel or suspend installation, press control-C or control-Z.";\
+        for i in 1 2 3 4 5; do ${ECHO} -n ; sleep 1; done; fi
+
 do-install:
 	@${MKDIR} ${PREFIX}/man/man1
 	@${MKDIR} ${PREFIX}/bin

print/xdvi/pkg-descr

@@ -7,3 +7,5 @@ keystrokes to move within the file, xdvi provides buttons on the right
 side of the window, which are synonymous with various sequences of
 keystrokes.  xdvi is also able to show PostScript<tm> specials if
 Ghostscript is installed on your system.
+
+The commands from this port overwrite those from teTeX.