Hi everyone, I'm currently working on SES 5.64 (because of a project on an old/outdated hardware that won't work on SES 6.xx) and I've been trying to play with interrupts. However, after including signal.h in my project (which is defined here : C:\Program Files\SEGGER\SEGGER Embedded Studio for ARM 5.70a\include\signal.h), the compiler returns an error : "undefined reference to 'signal' " I tried on SES 6.34a with the same example project and it worked just fine, but I can't use this version for…