[Bug bootstrap/51031] build error in libitm (how to disable trans-mem???)

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51031

--- Comment #17 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-11-10 14:39:22 UTC ---
(In reply to comment #16)
> On x86_64-apple-darwin10 at revision 181249, the link error is
> 
> 
> ld: codegen problem, can't use rel32 to external symbol
> ___emutls_v._ZN3GTM12_gtm_thr_tlsE in __ITM_malloc from .libs/alloc_c.o

This resembles the failure we saw in PR44146. While there isn't a specific
change mentioned there that fixed it, the comment at
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44146#c21 as it suggests that
darwin's PIC default may be the origin of the problem.