diff -up ./conf_post.h.confpost ./conf_post.h

--- ./conf_post.h.confpost	2012-04-17 15:47:28.000000000 +0200

+++ ./conf_post.h	2013-05-06 18:34:54.274640856 +0200

@@ -8,3 +8,13 @@

 #define HAVE_COMPAT_LIBGDBM

 #endif

+/* Define common preprocessor symbol for HAVE_LIBGDBM and HAVE_LIBQDBM, since

+ * libraries gdbm and qdbm have same symbol names. */

+#undef HAVE_COMPAT_LIBGDBM

+#ifdef HAVE_LIBGDBM

+#define HAVE_COMPAT_LIBGDBM

+#endif

+#ifdef HAVE_LIBQDBM

+#define HAVE_COMPAT_LIBGDBM

+#endif

+