Hi,

I grabbed the 1.5.0 source and built libunwind myself on a linux SUSE system.  
On this linux machine there already exists libunwind in /usr/lib64 but I want 
to build it myself.  To build I’m running autogen.sh, then configure and 
finally make.  When I run my test program which gets callstacks once a 
millisecond, I see that the libunwind I built takes 4 times longer than the one 
installed on the system.

Is there anything obvious in the above steps that would indicate why there is 
this huge difference in performance with the version I am building?  For 
example, do I have to pass any options to autogeh.sh, configure, or make to 
perform an optimized production build?

Thanks in advance,
Matt

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