The issue is apparently happening since this package ext/zkc-3.4.14.tar.gz was replaced with zkc-3.4.5.tar.gz around 3 days ago.
It is causing zookeeper installation to fail in one of our pipelines. It was working fine until 3 days ago.
Here are the logs -
01:09:51 #48 459.3 �[0mSTDERR: ERROR: Error installing zookeeper:
01:09:51 #48 459.3 �[0m ERROR: Failed to build gem native extension.
01:09:51 #48 459.3 �[0mcompiling event_lib.c
01:09:51 #48 459.3 �[0mcompiling zkrb.c
01:09:51 #48 459.3 �[0mzkrb.c: In function 'alloc_zkrb_instance':
01:09:51 #48 459.3 �[0mzkrb.c:248: error: expected expression before 'zkrb_instance_data_t'