[Bug other/56811] [4.8/4.9 Regression] libbacktrace causes undefined symbol "_Unwind_GetIPInfo" on ia64-hpux

[misty at brew dot sh]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56811

--- Comment #6 from Misty De Meo <misty at brew dot sh> ---
The config.log for libbacktrace shows that it believes it found
_Unwind_GetIPInfo:

configure:11652: checking for _Unwind_GetIPInfo
configure:11667: /usr/local/bin/gcc-4.4 -c -g
-Werror-implicit-function-declaration -F/usr/local/Frameworks conftest.c >&5
configure:11667: $? = 0
configure:11674: result: yes