backtrace: Add a missing check for HAVE_PTHREAD_H before using mutexes

Fixes bug 31614; bugfix on 0.2.5.2-alpha.
This commit is contained in:
teor 2019-09-09 11:21:15 +10:00
parent 6b97a5a843
commit ab7bfdf404
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@ -57,7 +57,8 @@
#include "lib/err/torerr.h"
#if defined(HAVE_EXECINFO_H) && defined(HAVE_BACKTRACE) && \
defined(HAVE_BACKTRACE_SYMBOLS_FD) && defined(HAVE_SIGACTION)
defined(HAVE_BACKTRACE_SYMBOLS_FD) && defined(HAVE_SIGACTION) && \
defined(HAVE_PTHREAD_H)
#define USE_BACKTRACE
#endif