On 17 Feb 2015 08:44, Jiri Gaisler wrote: > --- a/sim/erc32/Makefile.in > +++ b/sim/erc32/Makefile.in > > -SIM_EXTRA_CFLAGS = -DFAST_UART > +SIM_EXTRA_CFLAGS = -DFAST_UART -I$(srcdir)/../.. pretty sure you mean -I$(srcroot) -mike