On Mon, 2015-07-06 at 16:08 +0100, Andrew Haley wrote: > Did you not see > > >> unwind.h is copied from gcc/trunk/libgcc/unwind-generic.h on some > >> systems. > > unwind.h is created and installed when GCC is built and installed. ... which means, it's created in the build tree, not the source tree. Having to look in the build tree for source code confused me a few times when I started working with gcc! -- Brian