Don't compile with net-snmp by default, instead create an "snmp" FLAVOR

for people who need snmp network scanner support.

graphics/sane-backends/Makefile

@@ -1,10 +1,10 @@
-# $OpenBSD: Makefile,v 1.41 2011/03/09 13:05:20 ajacoutot Exp $
+# $OpenBSD: Makefile,v 1.42 2011/04/25 09:34:39 ajacoutot Exp $
 
 COMMENT=	API for accessing scanners, backends
 
 DISTNAME=	sane-backends-1.0.22
 
-REVISION=	1
+REVISION=	2
 
 SHARED_LIBS=	sane 2.0 # .1.0
 CATEGORIES=	graphics
@@ -19,19 +19,21 @@ PERMIT_PACKAGE_FTP=	Yes
 PERMIT_DISTFILES_CDROM= Yes
 PERMIT_DISTFILES_FTP=	Yes
 
-WANTLIB += avahi-client avahi-common c crypto dbus-1 exif gphoto2
-WANTLIB += gphoto2_port jpeg ltdl m netsnmp pthread tiff usb z
+WANTLIB += avahi-client avahi-common c dbus-1 exif gphoto2
+WANTLIB += gphoto2_port jpeg ltdl m pthread tiff usb z
 
 MASTER_SITES=	ftp://ftp.sane-project.org/pub/sane/${DISTNAME}/ \
 		ftp://ftp.sane-project.org/pub/sane/old-versions/${DISTNAME}/
 
 LIB_DEPENDS=	graphics/tiff \
 		graphics/libgphoto2 \
-		net/avahi \
-		net/net-snmp
+		net/avahi
 
 MODULES=	devel/gettext
 
+FLAVORS=	snmp
+FLAVOR?=
+
 USE_LIBTOOL=	Yes
 USE_GMAKE=	Yes
 USE_GROFF =	Yes
@@ -51,6 +53,14 @@ CONFIGURE_ARGS=	${CONFIGURE_SHARED} \
 		--enable-avahi \
 		--disable-latex
 
+.if ${FLAVOR:L:Msnmp}
+LIB_DEPENDS +=	net/net-snmp
+WANTLIB +=	crypto netsnmp
+CONFIGURE_ARGS += --with-snmp
+.else
+CONFIGURE_ARGS += --without-snmp
+.endif
+
 FAKE_FLAGS=	configdir=${PREFIX}/share/examples/sane-backends/sane.d
 
 post-install:

graphics/sane-backends/patches/patch-backend_magicolor_c

@@ -0,0 +1,12 @@
+$OpenBSD: patch-backend_magicolor_c,v 1.1 2011/04/25 09:34:39 ajacoutot Exp $
+--- backend/magicolor.c.orig	Mon Apr 25 11:07:51 2011
++++ backend/magicolor.c	Mon Apr 25 11:08:15 2011
+@@ -53,6 +53,8 @@
+ #include <math.h>
+ #include <poll.h>
+ 
++#include <sys/socket.h>
++
+ 
+ #if HAVE_LIBSNMP
+ #include <net-snmp/net-snmp-config.h>

graphics/sane-backends/pkg/DESCR

@@ -22,3 +22,6 @@ and/or applications are added.
 SANE-BACKENDS comes complete with documentation, several backends,
 scanimage command line frontend, and networking support. For
 other/graphical frontends take a look at sane-frontends and XSane.
+
+Available FLAVOR:
+	snmp - build with net-snmp support (i.e. SNMP scanners support)