Hi Tom, > What does your patch and config look like that shows this problem? It's fine > to > have an undefined function when if > (!CONFIG_IS_ENABLED(SYS_DCACHE_OFF)) becomes if (0) once evaluated. > > --
I apologies, it was my mistake, where I have a script compiling the wrong folder without both weak function, and (!CONFIG_IS_ENABLED(SYS_DCACHE_OFF)) changes. I'm preparing v2 patches, to include the (!CONFIG_IS_ENABLED(SYS_DCACHE_OFF)) and remove the weak function. Regards, Boon Khai.