It should be implemented to speed up the build process.
All source code converted by IL2C is overwritten, so it is judged by hash value, not by timestamp.
At present, the time required for conversion is negligible, and it is acceptable to convert everything every time.
Judgment is made at compiler runtime to avoid unnecessary processing.
Re-execute all compilation when headers (*.h) have been changed.
Due to the above, MSBuild scripts cannot achieve this.
It should be implemented to speed up the build process. All source code converted by IL2C is overwritten, so it is judged by hash value, not by timestamp.
*.h) have been changed.