Index: magicpoint-1.11b/configure.in
===================================================================
--- magicpoint-1.11b/configure.in	{cset b4d3ff90-24b8-4cde-9052-f5859b9ff17a}
+++ magicpoint-1.11b/configure.in	{local clone}
@@ -292,27 +292,35 @@
   done
 fi
 
-for i in /usr/pkg /usr/local /usr; do
-	if test -f $i/include/libmng.h; then 
-		if test -f $i/lib/libmng.a ; then
-			DEPLIBS="$DEPLIBS $i/lib/libmng.a"
-		elif test -f $i/lib/libmng.so ; then
-			DEPLIBS="$DEPLIBS $i/lib/libmng.so"
-		else
-			break;
-		fi
-		LIBS="$LIBS -L$i/lib"
-		OPTFLAGS="$OPTFLAGS -I$i/include"
-		AC_CHECK_LIB(mng, mng_initialize, 
-			[LIBS="$LIBS -Wl,-rpath,$i/lib -lmng"
-			 AC_DEFINE(MNG)], 
-		[AC_CHECK_LIB(mng, mng_readdisplay,
-			[LIBS="$LIBS -lmng -ljpeg"
-			 AC_DEFINE(MNG)],
-			[], [-ljpeg])])
-		break
-	fi
-done
+AC_MSG_CHECKING(if mng handling is enabled)
+AC_ARG_ENABLE(mng,
+	[  --enable-mng            compile mng support in.],
+	[mgp_mng="$enableval"],
+	[mgp_mng="no"])
+AC_MSG_RESULT($mgp_mng)
+if test $mgp_mng = "yes"; then
+	for i in /usr/pkg /usr/local /usr; do
+		if test -f $i/include/libmng.h; then 
+			if test -f $i/lib/libmng.a ; then
+				DEPLIBS="$DEPLIBS $i/lib/libmng.a"
+			elif test -f $i/lib/libmng.so ; then
+				DEPLIBS="$DEPLIBS $i/lib/libmng.so"
+			else
+				break;
+			fi
+			LIBS="$LIBS -L$i/lib"
+			OPTFLAGS="$OPTFLAGS -I$i/include"
+			AC_CHECK_LIB(mng, mng_initialize, 
+				[LIBS="$LIBS -Wl,-rpath,$i/lib -lmng"
+				 AC_DEFINE(MNG)], 
+			[AC_CHECK_LIB(mng, mng_readdisplay,
+				[LIBS="$LIBS -lmng -ljpeg"
+				 AC_DEFINE(MNG)],
+				[], [-ljpeg])])
+			break
+		fi
+	done
+fi
 
 dnl Checks for header files.
 AC_PATH_X