Please take a look at the master builds: https://ci.trafficserver.apache.org/view/master/ <https://ci.trafficserver.apache.org/view/master/>
It is also failing on OSX builds: /bin/sh ../../libtool --tag=CXX --mode=link ccache c++ -std=c++11 -g -pipe -Wall -Wno-deprecated-declarations -Qunused-arguments -Wextra -Wno-ignored-qualifiers -Wno-unused-parameter -O3 -fno-strict-aliasing -Werror -Wno-invalid-offsetof -mcx16 -no-undefined -version-info 8:0:0 -L/usr/local/Cellar/openssl/1.0.2l/lib -L/usr/local/lib -L/usr/local/Cellar/pcre/8.41/lib -o libtsconfig.la -rpath /usr/local/lib Errata.lo TsBuilder.lo TsConfigLua.lo TsErrataUtil.lo TsValue.lo TsConfigGrammar.lo TsConfigSyntax.lo libtool: link: c++ -dynamiclib -o .libs/libtsconfig.8.dylib .libs/Errata.o .libs/TsBuilder.o .libs/TsConfigLua.o .libs/TsErrataUtil.o .libs/TsValue.o .libs/TsConfigGrammar.o .libs/TsConfigSyntax.o -L/usr/local/Cellar/openssl/1.0.2l/lib -L/usr/local/lib -L/usr/local/Cellar/pcre/8.41/lib -g -O3 -mcx16 -install_name /usr/local/lib/libtsconfig.8.dylib -compatibility_version 9 -current_version 9.0 -Wl,-single_module Undefined symbols for architecture x86_64: "_lua_toboolean", referenced from: TsConfigBool::loader(lua_State*) in TsConfigLua.o "_lua_tolstring", referenced from: TsConfigString::loader(lua_State*) in TsConfigLua.o "_lua_tonumber", referenced from: TsConfigInt::loader(lua_State*) in TsConfigLua.o -Bryan