Hello GCC Help Team, Could you please support on the following C code example: #include "header.h" /* Proper file name like on windows file system, No error is expected */ #include "Header.h" /* Same file but H letter is camelcased by mistake, Error is expected */ #include "header.h " /* Same file but a space is added before end of file inclusion by mistake, Error is expected */ The problem here is that the above two issues are not detected by GCC on windows, while could be detected on Linux. Is there any compiler option/flag enables GCC to detect such issues on Windows? Appreciating your support, Regards, Mina Makary