The gnu MPC template has settings for TAO_IDL3_TO_IDL2, should be replaced with a verbatim in the specific MPC base projects, see also https://github.com/DOCGroup/XSC/issues/57 https://github.com/DOCGroup/ACE_TAO/blob/1886d1b986f7888afdf8df923e11e151e6038070/ACE/bin/MakeProjectCreator/templates/gnu.mpd#L132
The gnu MPC template has settings for TAO_IDL3_TO_IDL2, should be replaced with a verbatim in the specific MPC base projects, see also DOCGroup/XSC#57
https://github.com/DOCGroup/ACE_TAO/blob/1886d1b986f7888afdf8df923e11e151e6038070/ACE/bin/MakeProjectCreator/templates/gnu.mpd#L132