We build mesa3d with dri support, which doesn't work with static builds,
so disable it.
From configure.ac:
dri)
# DRI must be shared, I think
if test "$enable_static" = yes; then
AC_MSG_ERROR([Can't use static libraries for DRI drivers])
fi
At the same time fixup minor style issues (:= vs =, long lines).
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>