make png support optional (on by default)

add an option to make alevt use a smaller font (off by default)

misc/alevt/Makefile

@@ -14,9 +14,21 @@ MASTER_SITES=	http://www.goron.de/~froese/alevt/
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	X11 Teletext decoding and display program. (reads from /dev/vbi)
 
-LIB_DEPENDS=	png.5:${PORTSDIR}/graphics/png
+OPTIONS=	PNG		"export pages as png image"	on \
+		SMALLFONT	"use a smaller and thiner font"	off
 
 USE_X_PREFIX=	yes
 MAN1=		alevt.1x alevt-date.1 alevt-cap.1
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if defined(WITH_PNG)
+LIB_DEPENDS+=	png.5:${PORTSDIR}/graphics/png
+MAKE_ARGS+=	-DWITH_PNG
+.endif
+
+.if defined(WITH_SMALLFONT)
+MAKE_ARGS+=	-DWITH_SMALLFONT
+.endif
+
+.include <bsd.port.post.mk>

misc/alevt/files/patch-aa

@@ -1,12 +1,25 @@
 --- Makefile.orig	Tue Aug 20 05:17:53 2002
-+++ Makefile	Wed May 25 12:15:57 2005
-@@ -6,28 +6,26 @@
- # a smaller and thinner font
- #FONT=neep9
++++ Makefile	Wed May 25 13:41:55 2005
+@@ -1,33 +1,35 @@
+ VER=1.6.1
+-OPT=-O2 -s
+-#OPT=-O -g
++
++.if defined(WITH_PNG)
+ DEFS=-DWITH_PNG
++PNG_LIBS=-L${LOCALBASE}/lib -lpng -lz -lm
++.endif
++
++.if defined(WITH_SMALLFONT)
++FONT=neep9
++.else
+ FONT=vtxt
+-# a smaller and thinner font
+-#FONT=neep9
++.endif
  
 -CFLAGS=$(OPT) -DVERSION=\"$(VER)\" $(DEFS) -I/usr/X11R6/include -I/usr/local/include -W
 +CFLAGS+=-DVERSION=\"$(VER)\" $(DEFS) -I${X11BASE}/include -I${LOCALBASE}/include -W
-+PNG_LIBS=-L${LOCALBASE}/lib -lpng -lz -lm
 +X11_LIBS=-L${X11BASE}/lib -lX11
  
  EXPOBJS=export.o exp-txt.o exp-html.o exp-gfx.o font.o
@@ -35,7 +48,7 @@
  
  font.o: font1.xbm font2.xbm
  fontsize.h: font1.xbm font2.xbm
-@@ -69,13 +67,9 @@
+@@ -69,13 +71,9 @@
  # anything below this line is just for me!
  
  install: all