debian/changelog

+samba (2:4.11.0+dfsg-9) unstable; urgency=medium
+
+  * Remove versioned depends on libtdb-dev (>= 2) and add libldb-dev (>= 2:2)
+
+ -- Mathieu Parent <sathieu@debian.org>  Thu, 03 Oct 2019 19:08:17 +0200
+
 samba (2:4.11.0+dfsg-8) unstable; urgency=medium
 
   * d/gbp.conf: sign-tags = True

debian/control

@@ -217,10 +217,10 @@ Package: samba-dev
 Architecture: any
 Multi-Arch: same
 Depends: libc6-dev,
-         libldb-dev,
+         libldb-dev (>= 2:2),
          libpopt-dev,
          libtalloc-dev,
-         libtdb-dev (>= 2),
+         libtdb-dev,
          libtevent-dev,
          samba-libs (= ${binary:Version}),
          ${misc:Depends}