Turn on/off full paths usage in diagnostics
By default, the generated project files will use the compilers default settings, which is in most cases "On" for debug and "Off" for release. In Visual Studio, this overrides the /FC flag which is forced on when using debug builds.
value specifies relative path usage.
|Use relative paths in diagnostics|
|Use absolute (full) paths in diagnostics|
Premake 5.0.0 beta 1 or later.
usefullpaths "On" -- Uses full paths in diagnostics