On Mon, Aug 27, 2007 at 03:29:23PM -0500, Stephen M. Kenton wrote: > As seen below, the Linux targets which use glibc define MD_UNWIND_SUPPORT and > have > a customized linux-unwind.h file. However, mips and i386 start and end those > files with > #ifndef inhibit_libc .... #endif statements which disable the entire contents > of the file if inhibit_libc is set. > Those are the only two such targets I can successfully build with > inhibit_libc > without the use of enable-sjlj-exceptions. > Is there some reason that every instance of linux-unwind.h should not start > and > end with those same > #ifndef inhibit_libc ... #endif statements? Or, alternatively, should > setting > of inhibit_libc force > a #undef MD_UNWIND_SUPPORT at some suitably central place rather than doing > things the > way that mips and i386 currently handle it?
FWIW, I've come to the opinion that we should just copy the relevant structure layouts from glibc into gcc and avoid this problem. If the layout ever changes, we're going to need to handle both in gcc anyway. -- Daniel Jacobowitz CodeSourcery
