[gnome-db] Failure building xBase backend

[Adam Williams <adam morrison-ind com>]

$ ./configure --host=i686-pc-linux-gnu --build=i686-pc-linux-gnu
--target=i386-redhat-linux-gnu --program-prefix= --prefix=/usr
--exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin
--sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include
--libdir=/usr/lib --libexecdir=/usr/libexec --localstatedir=/var
--sharedstatedir=/usr/com --mandir=/usr/share/man
--infodir=/usr/share/info --without-tds --without-ibmdb2 --with-mysql
--with-postgres --with-odbc --without-oracle --with-sqlite
--without-sybase --with-mdb --with-ldap --with-xbase --disable-gtk-doc

...
checking for ODBC files... found ODBC in /usr
checking for MySQL files... found mysql in /usr
checking for mSQL files... configure: WARNING: mSQL backend not used
checking for Postgres files... found Postgres in /usr
checking for Sybase files... checking for FireBird installation...
configure: WARNING: FireBird backend not used
checking for Xbase files... configure: WARNING: Xbase backend not used
checking for sqlite files... found sqlite in /usr
checking for MDB Tools files... found MDB Tools in /usr
checking for LDAP files... found LDAP in /usr
...
 Configuration summary
   Installation prefix = /usr
   Providers
      XML = yes
      FireBird = no
      FreeTDS = no
      IBM DB2 = no
      MDB (MS Access) = yes
      MySQL = yes
      mSQL = no
      ODBC = yes
      Oracle = no
      PostgreSQL = yes
      SQLite = yes
      Sybase = no
      xBase (dBase, Clipper, FoxPro) = no
      LDAP = yes




Doesn't really offer much in the way of "why".