X11: compile `GLXWorkstation` with OpenGL OpenGL compiler and linker flags are configured locally in `Make.proto` rather than in target config - this moves the configuration closer to the code. Currently all supported (and considered) platforms have OpenGL implementation. Later on one may use conditionals in makefile to deal exceptions.

@REM -------
@REM make using lcc compiler
@REM type lccmake, and wait...
@REM do not edit - automatically generated from ProjectDefinition
@REM -------
make.exe -N -f bc.mak -DUSELCC=1 %*