FreeBSD: fix test_bt failures
Backtrace analysis is not supported on FreeBSD unless linked with -lexecinfo
The test should be skipped if the functionality has not been detected by autoconf.
Trac:
Username: saper
Backtrace analysis is not supported on FreeBSD unless linked with -lexecinfo
The test should be skipped if the functionality has not been detected by autoconf.
Trac:
Username: saper