Update configure.
Update configure.

50wu/gpdb,arcivanov/postgres-xl,randomtask1155/gpdb,ashwinstar/gpdb,rvs/gpdb,xuegang/gpdb,ahachete/gpdb,xuegang/gpdb,edespino/gpdb,oberstet/postgres-xl,ahachete/gpdb,royc1/gpdb,jmcatamney/gpdb,zeroae/postgres-xl,xinzweb/gpdb,Chibin/gpdb,techdragon/Postgres-XL,foyzur/gpdb,CraigHarris/gpdb,kaknikhil/gpdb,lpetrov-pivotal/gpdb,yuanzhao/gpdb,postmind-net/postgres-xl,snaga/postgres-xl,jmcatamney/gpdb,rvs/gpdb,lpetrov-pivotal/gpdb,rubikloud/gpdb,Chibin/gpdb,foyzur/gpdb,atris/gpdb,Postgres-XL/Postgres-XL,lpetrov-pivotal/gpdb,postmind-net/postgres-xl,rvs/gpdb,royc1/gpdb,greenplum-db/gpdb,janebeckman/gpdb,greenplum-db/gpdb,Chibin/gpdb,cjcjameson/gpdb,arcivanov/postgres-xl,chrishajas/gpdb,kmjungersen/PostgresXL,xinzweb/gpdb,xinzweb/gpdb,xuegang/gpdb,Postgres-XL/Postgres-XL,tangp3/gpdb,50wu/gpdb,CraigHarris/gpdb,cjcjameson/gpdb,janebeckman/gpdb,snaga/postgres-xl,cjcjameson/gpdb,techdragon/Postgres-XL,CraigHarris/gpdb,ashwinstar/gpdb,CraigHarris/gpdb,Quikling/gpdb,jmcatamney/gpdb,snaga/postgres-xl,0x0FFF/gpdb,ovr/postgres-xl,Quikling/gpdb,Postgres-XL/Postgres-XL,rubikloud/gpdb,kaknikhil/gpdb,ahachete/gpdb,rubikloud/gpdb,jmcatamney/gpdb,lisakowen/gpdb,pavanvd/postgres-xl,foyzur/gpdb,kaknikhil/gpdb,0x0FFF/gpdb,ovr/postgres-xl,CraigHarris/gpdb,50wu/gpdb,tpostgres-projects/tPostgres,yuanzhao/gpdb,lisakowen/gpdb,adam8157/gpdb,janebeckman/gpdb,adam8157/gpdb,lisakowen/gpdb,atris/gpdb,lintzc/gpdb,chrishajas/gpdb,Quikling/gpdb,rubikloud/gpdb,jmcatamney/gpdb,lpetrov-pivotal/gpdb,janebeckman/gpdb,yuanzhao/gpdb,tangp3/gpdb,snaga/postgres-xl,pavanvd/postgres-xl,atris/gpdb,zaksoup/gpdb,xinzweb/gpdb,kaknikhil/gpdb,Quikling/gpdb,yuanzhao/gpdb,lintzc/gpdb,ahachete/gpdb,yazun/postgres-xl,chrishajas/gpdb,ashwinstar/gpdb,lintzc/gpdb,lintzc/gpdb,zaksoup/gpdb,edespino/gpdb,atris/gpdb,yuanzhao/gpdb,CraigHarris/gpdb,kaknikhil/gpdb,edespino/gpdb,xinzweb/gpdb,pavanvd/postgres-xl,lpetrov-pivotal/gpdb,janebeckman/gpdb,ashwinstar/gpdb,royc1/gpdb,ahachete/gpdb,chrishajas/gpdb,xuegang/gpdb,ahachete/gpdb,lisakowen/gpdb,chrishajas/gpdb,rvs/gpdb,foyzur/gpdb,xuegang/gpdb,lisakowen/gpdb,edespino/gpdb,royc1/gpdb,janebeckman/gpdb,randomtask1155/gpdb,CraigHarris/gpdb,janebeckman/gpdb,techdragon/Postgres-XL,greenplum-db/gpdb,jmcatamney/gpdb,Chibin/gpdb,yuanzhao/gpdb,lintzc/gpdb,lisakowen/gpdb,cjcjameson/gpdb,Quikling/gpdb,xuegang/gpdb,janebeckman/gpdb,kaknikhil/gpdb,tangp3/gpdb,kmjungersen/PostgresXL,kaknikhil/gpdb,0x0FFF/gpdb,Chibin/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,lintzc/gpdb,edespino/gpdb,oberstet/postgres-xl,Postgres-XL/Postgres-XL,atris/gpdb,ahachete/gpdb,atris/gpdb,arcivanov/postgres-xl,lisakowen/gpdb,rubikloud/gpdb,yazun/postgres-xl,royc1/gpdb,foyzur/gpdb,rubikloud/gpdb,foyzur/gpdb,CraigHarris/gpdb,yazun/postgres-xl,rvs/gpdb,0x0FFF/gpdb,yuanzhao/gpdb,cjcjameson/gpdb,adam8157/gpdb,royc1/gpdb,lintzc/gpdb,postmind-net/postgres-xl,techdragon/Postgres-XL,ashwinstar/gpdb,atris/gpdb,lisakowen/gpdb,chrishajas/gpdb,ashwinstar/gpdb,tangp3/gpdb,greenplum-db/gpdb,ovr/postgres-xl,zeroae/postgres-xl,rvs/gpdb,Quikling/gpdb,kmjungersen/PostgresXL,tangp3/gpdb,0x0FFF/gpdb,jmcatamney/gpdb,tangp3/gpdb,Chibin/gpdb,zaksoup/gpdb,yuanzhao/gpdb,rvs/gpdb,randomtask1155/gpdb,kmjungersen/PostgresXL,arcivanov/postgres-xl,zeroae/postgres-xl,tangp3/gpdb,greenplum-db/gpdb,Chibin/gpdb,Quikling/gpdb,Chibin/gpdb,zeroae/postgres-xl,Chibin/gpdb,foyzur/gpdb,lpetrov-pivotal/gpdb,ahachete/gpdb,50wu/gpdb,arcivanov/postgres-xl,ovr/postgres-xl,rubikloud/gpdb,lpetrov-pivotal/gpdb,janebeckman/gpdb,Quikling/gpdb,atris/gpdb,techdragon/Postgres-XL,xuegang/gpdb,kmjungersen/PostgresXL,0x0FFF/gpdb,adam8157/gpdb,greenplum-db/gpdb,50wu/gpdb,xuegang/gpdb,janebeckman/gpdb,edespino/gpdb,cjcjameson/gpdb,oberstet/postgres-xl,adam8157/gpdb,kaknikhil/gpdb,randomtask1155/gpdb,0x0FFF/gpdb,lintzc/gpdb,tpostgres-projects/tPostgres,greenplum-db/gpdb,oberstet/postgres-xl,ovr/postgres-xl,kaknikhil/gpdb,tangp3/gpdb,50wu/gpdb,zaksoup/gpdb,chrishajas/gpdb,adam8157/gpdb,50wu/gpdb,tpostgres-projects/tPostgres,kaknikhil/gpdb,yazun/postgres-xl,chrishajas/gpdb,postmind-net/postgres-xl,zaksoup/gpdb,zaksoup/gpdb,greenplum-db/gpdb,cjcjameson/gpdb,randomtask1155/gpdb,cjcjameson/gpdb,edespino/gpdb,yuanzhao/gpdb,xinzweb/gpdb,xuegang/gpdb,royc1/gpdb,Postgres-XL/Postgres-XL,zaksoup/gpdb,Chibin/gpdb,adam8157/gpdb,arcivanov/postgres-xl,0x0FFF/gpdb,randomtask1155/gpdb,Quikling/gpdb,jmcatamney/gpdb,snaga/postgres-xl,rvs/gpdb,cjcjameson/gpdb,tpostgres-projects/tPostgres,royc1/gpdb,edespino/gpdb,yazun/postgres-xl,pavanvd/postgres-xl,adam8157/gpdb,xinzweb/gpdb,edespino/gpdb,Quikling/gpdb,tpostgres-projects/tPostgres,foyzur/gpdb,rubikloud/gpdb,rvs/gpdb,50wu/gpdb,randomtask1155/gpdb,cjcjameson/gpdb,randomtask1155/gpdb,postmind-net/postgres-xl,pavanvd/postgres-xl,CraigHarris/gpdb,rvs/gpdb,edespino/gpdb,lintzc/gpdb,oberstet/postgres-xl,ashwinstar/gpdb,xinzweb/gpdb,zaksoup/gpdb,lpetrov-pivotal/gpdb,zeroae/postgres-xl