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Asked: 2026-06-06T03:42:22+00:00

I have a segfault coming from OpenSSL (specifically SSL_read ) that I’d like to

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I have a segfault coming from OpenSSL (specifically SSL_read) that I’d like to debug. I think the best step to take here is to build the library myself with debug symbols so I can step into the function and see the command it’s happening on. It’s not clear to me how to a) build the library myself and b) hack the makefile to give me the debug symbols. Does anyone have experience doing this with this specific library, or have general guidelines on this sort of build and modify approach?

Got this error:

./config -d
Operating system: x86_64-whatever-linux2
This system (debug-linux-x86_64) is not supported. See file INSTALL for details.

Not sure what to do here. OS info:

$ cat /proc/version
Linux version 3.2.0-24-virtual (buildd@yellow) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.31ubuntu5) ) #37-Ubuntu SMP Wed Apr 25 10:17:19 UTC 2012
$ uname -srvio
Linux 3.2.0-24-virtual #37-Ubuntu SMP Wed Apr 25 10:17:19 UTC 2012 x86_64 GNU/Linux
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1 Answer

  1. Editorial Team

    You can follow the simple instructions mentioned here for building OpenSSL. For making a debug build, add the -d flag when you run ./config, i.e. ./config -d [other options]. Building OpenSSL is mentioned in detail here.

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