mesa: make use of HAVE_FUNC_ATTRIBUTE_ALIAS macro

We must make sure that xserver has an equivalent one-line
change to its configure.ac as the glx/glapi headers get copied over.

Then again, xserver does _not_ seem to set HAVE_ALIAS to begin with so
one might want to look into that first.

Cc: Adam Jackson <ajax@redhat.com>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
6 files changed