Platform is not defined in main.c

[jingzhi1997]

Platform is not defined in main.c. Therefore, when platform.h is being included, an error will be thrown:"Platform provided is not supported in this Build System".

[usmn001]

I am having same issue , even though i have included my include files with -I. notation in sources.mk but still no avail.
main.c:23:10: fatal error: platform.h: No such file or directory
23 | #include "platform.h"