libtool needs automake for libltdl

scripts/scan-pkgs.sh

@@ -100,6 +100,10 @@ if [[ -n $ADK_COMPILE_AUTOMAKE ]]; then
 	NEED_AUTOCONF="$NEED_AUTOCONF automake"
 fi
 
+if [[ -n $ADK_COMPILE_LIBTOOL ]]; then
+	NEED_AUTOMAKE="$NEED_AUTOMAKE libtool"
+fi
+
 if [[ -n $ADK_PACKAGE_SQUID ]]; then
 	NEED_GXX="$NEED_GXX squid"
 fi
@@ -252,6 +256,13 @@ if [[ -n $NEED_AUTOCONF ]]; then
 	fi
 fi
 
+if [[ -n $NEED_AUTOMAKE ]]; then
+	if ! which automake >/dev/null 2>&1; then
+		echo >&2 You need automake to build $NEED_AUTOMAKE
+		out=1
+	fi
+fi
+
 if [[ -n $NEED_INTL ]]; then
 	if ! which intltool-update >/dev/null 2>&1; then
 		echo >&2 You need intltool to build $NEED_INTL