Alejandro Mery:

package/base/bdb33/bdb33.conf

@@ -30,6 +30,8 @@ pkg_bdb33_pm() {
 }
 
 hook_add postmake 3 'pkg_bdb33_pm'
-hook_add postmake 4 '[ -e $includedir/${pkg:1:3} ] && \
+
+# default for it's mayor version
+hook_add postmake 4 '[ -e $includedir/${pkg:1:3} ] || \
                      ln -svf ${pkg:1} $includedir/${pkg:1:3}'
 

package/base/bdb41/bdb41.conf

@@ -26,6 +26,10 @@
 # default symlinks db.h db_185.h db/ for headers
 hook_add postmake 3 "ln -sfv ${pkg:1}/db.h $root/$prefix/include/db.h"
 hook_add postmake 3 "ln -sfv ${pkg:1}/db_185.h $root/$prefix/include/db_185.h"
-hook_add postmake 3 "rm -f $root/$prefix/include/db; \
-	ln -sfv ${pkg:1} $root/$prefix/include/db"
+hook_add postmake 3 "[ -e $includedir/db ] || \
+	ln -sfv ${pkg:1} $includedir/db"
+
+# and default for it's mayor version
+hook_add postmake 3 "[ -e $includedir/${pkg:1:3} ] || \
+	ln -sfv ${pkg:1} $includedir/${pkg:1:3}"