The issue is described here:
http://www.cyrius.com/journal/2007/05/10#gcc-4.3-include
In the case of player I notices that the following files are missing some include declarations associated with this problem. The files are:
client_libs/libplayerc++/opaqueproxy.cc
client_libs/libplayerc++/test/test.cc
client_libs/libplayerc++/actarrayproxy.cc
client_libs/libplayerc++/speechproxy.cc
utils/playerprop/playerprop.cpp
examples/libplayerc++/clientgraphics.cc
examples/libplayerc++/example3.cc
examples/libplayerc++/clientgraphics3d.cc
There may be others having the same problem.
I included a patch adding the missing includes.
With this change compilation still works under gcc 4.2. I didn't try with other versions.
Federico Ruiz Ugalde
Patch fixing some missing includes under gcc 4.3
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The changes have been made in SVN trunk.
Thank you for your contribution.