Allow gcc builds with -DOCE_USE_PCH to fail
Allow gcc builds with -DOCE_USE_PCH to fail

EvgeneOskin/oce,tpaviot/oce,Tech-XCorp/oce,tpaviot/oce,tpaviot/oce,heartvalve/oce,tpaviot/oce,heartvalve/oce,heartvalve/oce,EvgeneOskin/oce,Tridify/oce,Tech-XCorp/oce,Tech-XCorp/oce,Tridify/oce,Tech-XCorp/oce,BenoitPerrot/oce,mathstuf/oce,BenoitPerrot/oce,BenoitPerrot/oce,finetjul/oce,EvgeneOskin/oce,heartvalve/oce,Tridify/oce,finetjul/oce,finetjul/oce,finetjul/oce,tpaviot/oce,mathstuf/oce,Tridify/oce,heartvalve/oce,BenoitPerrot/oce,BenoitPerrot/oce,EvgeneOskin/oce,mathstuf/oce,mathstuf/oce,finetjul/oce,Tech-XCorp/oce,Tridify/oce,EvgeneOskin/oce,mathstuf/oce