Index: OS/debian_gen/control.in
===================================================================
--- OS/debian_gen/control.in	(revision 36025)
+++ OS/debian_gen/control.in	(revision 36026)
@@ -3,7 +3,7 @@
 Priority: optional
 Maintainer: Debian Electronics Team <pkg-electronics-devel@lists.alioth.debian.org>
 Uploaders: Dima Kogan <dkogan@debian.org>, Bdale Garbee <bdale@gag.com>
-Build-Depends: debhelper (>= 11), librnd3-dev, imagemagick, libgd-dev, libgtkglext1-dev, libmotif-dev, libstroke0-dev, libxml2-dev
+Build-Depends: debhelper (>= 11), librnd3-dev (>= @@@librnd_min_ver@@@), imagemagick, libgd-dev, libgtkglext1-dev, libmotif-dev, libstroke0-dev, libxml2-dev
 Standards-Version: 4.1.3
 Homepage: http://repo.hu/projects/pcb-rnd
 Vcs-Git: https://salsa.debian.org/electronics-team/pcb-rnd.git
Index: OS/debian_gen/gen.sh
===================================================================
--- OS/debian_gen/gen.sh	(revision 36025)
+++ OS/debian_gen/gen.sh	(revision 36026)
@@ -39,6 +39,8 @@
 
 ### implementation ###
 
+librnd_min_ver=`cat $auto/librnd_min_ver`
+
 cat_desc()
 {
 	local fn="$1"
@@ -63,6 +65,23 @@
 	'
 }
 
+# get a list of package deps from auto and insert ${binary:Version}
+# for pcb-rnd packages and minimum librnd version for librnd packages
+binary_version()
+{
+#	sed 's/ / (= \${binary:Version}), /g;s/$/ (= \${binary:Version})/'
+	echo "---" >> WTF1
+	echo "---" >> WTF2
+	tr " \t" "\n\n" | tee -a WTF1 | awk -v "librnd_min_ver=$librnd_min_ver" '
+		function comma() {
+			if (not_first) printf(", ");
+			not_first = 1
+		}
+	/^librnd/   { comma(); printf("%s (>= %s)", $1, librnd_min_ver) }
+	/^pcb-rnd/  { comma(); printf("%s (= ${binary:Version})", $1, librnd_min_ver) }
+	' | tee -a WTF2
+}
+
 gen_control_pkg()
 {
 	local pkg="$1"
@@ -79,7 +98,7 @@
 
 	if test ! -z "$deps"
 	then
-		deps="`echo \"$deps\" | sed 's/ / (= \${binary:Version}), /g;s/$/ (= \${binary:Version})/'`"
+		deps="`echo \"$deps\" | binary_version`"
 		deps=", $deps"
 	fi
 	if test -z "$arch"
@@ -107,7 +126,8 @@
 gen_control()
 {
 	local p list=`grep -v "^pcb-rnd$"< $auto/List`
-	cat control.in
+
+	sed "s/@@@librnd_min_ver@@@/$librnd_min_ver/g" < control.in
 	gen_control_pkg pcb-rnd
 	for p in $list
 	do