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[Bug target/55061] libbacktrace build fails during bootstrap on powerpc-apple-darwin9
- From: "ian at airs dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 25 Oct 2012 17:41:26 +0000
- Subject: [Bug target/55061] libbacktrace build fails during bootstrap on powerpc-apple-darwin9
- Auto-submitted: auto-generated
- References: <bug-55061-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55061
--- Comment #17 from Ian Lance Taylor <ian at airs dot com> 2012-10-25 17:41:26 UTC ---
Thanks for attaching the config.log. The config.log suggests that this
program:
int
main ()
{
return _Unwind_GetIPInfo ();
}
both compiles and links when using GCC 4.0.1 on Darwin. That would be a
surprising result, as it does not link when using the FSF GCC 4.0.1:
_Unwind_GetIPInfo is undefined. Apparently with GCC 4.0.1 on Darwin
_Unwind_GetIPInfo is defined somewhere.
Can you verify that? If that is correct, then the configure script needs to
check not only that _Unwind_GetIPInfo is available at link time, but also that
it is declared in unwind.h.