Local Building - does not compile with warnings?

[bko]

Hi @wesner0019

See this post for what the linker error for _sbrk means. You can safely ignore the warnings, that is just gcc being strict.

Photon Listening mode

When _sbrk is not found this means that there is some function (most likely a C-library function) that is trying to allocate memory, but isn’t using malloc. Here’s how to find out which function is causing the problem: add a function extern "C" void* _sbrk() { return NULL; } to your program. This is only temporary and will fill in the missing function so the code links. open the user-part.lst file that is produced alongside your compiled application code search for _sbrk to find which functio…