If it finds Heimdal, It would check for the version, of course I cannot say when the issue was fixed but 1.1.0 is base on FreeBSD and is broken. So it would be a simple version match with krb5-config --version.

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** [bugs:#1328] curl crashes with a SEGFAULT on FreeBSD with GSS-API calls**
**Status:** closed-later
**Created:** Wed Jan 29, 2014 11:36 AM UTC by Michael Osipov
**Last Updated:** Mon Jun 16, 2014 12:56 PM UTC
**Owner:** Daniel Stenberg
l$ bin/curl -V
curl 7.35.0 (i386-unknown-freebsd9.2) libcurl/7.35.0 OpenSSL/1.0.1f zlib/1.2.8 libidn/1.28 libssh2/1.4.3
Protocols: dict file ftp ftps gopher http https imap imaps pop3 pop3s rtsp scp sftp smtp smtps telnet tftp
Features: GSS-Negotiate IDN Largefile NTLM NTLM_WB SSL libz TLS-SRP
$ bin/curl --verbose --negotiate -u : http://hostname:8080/manager/html
* Hostname was NOT found in DNS cache
*   Trying 1.2.3.4...
* Connected to hostname (1.2.3.4) port 8080 (#0)
> GET /manager/html HTTP/1.1
> User-Agent: curl/7.35.0
> Host: hostname:8080
> Accept: */*
>
< HTTP/1.1 401 Unauthorized
* Server Apache-Coyote/1.1 is not blacklisted
< Server: Apache-Coyote/1.1
< Cache-Control: private
< Expires: Thu, 01 Jan 1970 01:00:00 CET
Segmentation fault: 11 (Speicherabzug geschrieben)
Curl crashes with segmentation fault. I am on:
uname -a
FreeBSD hostname2 9.2-STABLE FreeBSD 9.2-STABLE
Core files can be provided on request.
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