[PROTON-2346] Build failure on musl

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: proton-c-0.33.0
• Fix Version/s: proton-c-0.34.0
• Component/s: proton-c
• Environment: Linux
• Flags: Patch
• Assignee: Unassigned
• Reporter: Fabrice Fontaine
• Created: 17/Mar/21 16:38
• Updated: 12/Apr/21 08:35
• Resolved: 23/Mar/21 08:01

Description

Build with epoll proactor on musl is broken since at least version 0.23.0 and
https://github.com/apache/qpid-proton/commit/37136940e3077f25ce58c94775f48c66f666f4a8
because musl does not define PTHREAD_MUTEX_ADAPTIVE_NP resulting in the
following build failure:

In file included from /home/giuliobenetti/autobuild/run/instance-0/output-1/build/qpid-proton-0.33.0/c/src/proactor/epoll.c:60:
/home/giuliobenetti/autobuild/run/instance-0/output-1/build/qpid-proton-0.33.0/c/src/proactor/epoll-internal.h: In function 'pmutex_init':
/home/giuliobenetti/autobuild/run/instance-0/output-1/build/qpid-proton-0.33.0/c/src/proactor/epoll-internal.h:319:36: error: 'PTHREAD_MUTEX_ADAPTIVE_NP' undeclared (first use in this function); did you mean 'PTHREAD_MUTEX_STALLED'?
 319 | pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP);
 | ^~~~~~~~~~~~~~~~~~~~~~~~~
 | PTHREAD_MUTEX_STALLED

Fixes:

• http://autobuild.buildroot.org/results/6a901b9ff68b7f52cabf8273d1017025fbd93b0d