``` flex -o core/lex.yy.c core/cfg.lex CC (gcc) [kamailio] core/lex.yy.o LD (gcc) [kamailio] kamailio core/ut.o: In function `ksr_clock_gettime': /root/rpmbuild/BUILD/kamailio-5.6.0-dev2/src/core/ut.c:175: undefined reference to `clock_gettime' collect2: ld returned 1 exit status make[1]: *** [kamailio] Error 1 make[1]: Leaving directory `/root/rpmbuild/BUILD/kamailio-5.6.0-dev2/src' make: *** [default] Error 2 error: Bad exit status from /var/tmp/rpm-tmp.RFyzKs (%build) ```
Should we continue support CentOS 6?