There is no need to compile our DLLs as shared libraries since we are
managing symbols exports and imports through spec files.
On my system, this reduces the configure-time by a factor of two.
This nice patch of Jerome Gardou improves palette
when VBEMP & inbuilt Mesa is used for
Diablo II, MS Age Of Empires 1, Anno 1602
to the state we had in SVN r75060 and below.
We already committed this fix into 0.4.8-release before.