Update config/ax_pthread.m4 to latest upstream version.
authorTom Lane <tgl@sss.pgh.pa.us>
Mon, 19 Nov 2018 20:05:33 +0000 (15:05 -0500)
committerTom Lane <tgl@sss.pgh.pa.us>
Mon, 19 Nov 2018 20:05:33 +0000 (15:05 -0500)
commitdf303aff6601a893cf83c26ffd6c7eb5fb6b067e
tree45ebc1d171654083d645cec213ee4d9035093986
parent640a4ba052c2dd7aaf600ca13b6d3afca60adc05
Update config/ax_pthread.m4 to latest upstream version.

This change doesn't fix any bugs that we've heard about, but it seems
like a good idea on general principles to track upstream occasionally.

Discussion: https://postgr.es/m/3320.1542647565@sss.pgh.pa.us
config/ax_pthread.m4
configure