cmake build

[pmp-p]

using -DWANT_NATIVE_NET=NO may lead to

[  1%] Built target p3dtoolbase
[  1%] Built target p3dtoolutil
[  2%] Built target p3dtool
[  3%] Built target p3prc
[  4%] Built target p3interrogatedb
[  5%] Built target p3express
[  5%] Built target p3downloader
[  6%] Built target pandaexpress
[  6%] Built target p3linmath
[  8%] Built target p3pipeline
[  9%] Built target p3putil
[ 10%] Building CXX object cmake/panda/src/pstatclient/CMakeFiles/p3pstatclient.dir/Unity/unity_0_cxx.cxx.o
In file included from /data/git/panda3d-upstream/panda/src/pstatclient/pStatClient.cxx:21,
                 from /opt/python-wasm-sdk/build/panda-host/cmake/panda/src/pstatclient/CMakeFiles/p3pstatclient.dir/Unity/unity_0_cxx.cxx:7:
/data/git/panda3d-upstream/panda/src/pstatclient/pStatClientImpl.h:23:10: fatal error: connectionManager.h: No such file or directory
   23 | #include "connectionManager.h"
      |          ^~~~~~~~~~~~~~~~~~~~~
compilation terminated.

[pmp-p]

maybe HAVE_NET=NO WANT_NATIVE_NET=NO should imply DO_PSTATS=NO