fatal error: 'sys/types.h' file not found

Hello,

I am trying to compile Mathh::Random::MT perl module on my macos Monterey, but it seems that the makefile can't get hold on the sys/types.h file. As I don't have a /usr/include folder I believe that it should look at the /Library/Developer/CommandLineTools/SDKs/MacOSX12.3.sdk/usr/include/sys folder but I don't know how to change it so it compiles correctly (If my hypothesis is right).

Any help is much appreciated.

Najoua