qtcreator code parser issue

we have a lot of problems with the qtcreator code editor:

• on all our files we have a lot of warnings, mainly “Semantic issue” warnings,
• on all files (header file and source file), we have the following warning on the first “#include”: “In included file: ‘sys/cdefs.h’ file not found features.h:461:12: error occurred here”.

Please find images with warning examples attached.