Right way to test in Makefile
Right way to test in Makefile

`-[ "$str" = "foo" ] && $(MAKE) -C bar` ignores errors while making bar,
better to use full `if-then` clause.

edespino/gpdb,Chibin/gpdb,jmcatamney/gpdb,xinzweb/gpdb,yuanzhao/gpdb,Quikling/gpdb,janebeckman/gpdb,yuanzhao/gpdb,kaknikhil/gpdb,jmcatamney/gpdb,xinzweb/gpdb,yuanzhao/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,cjcjameson/gpdb,adam8157/gpdb,xinzweb/gpdb,cjcjameson/gpdb,greenplum-db/gpdb,cjcjameson/gpdb,edespino/gpdb,50wu/gpdb,edespino/gpdb,janebeckman/gpdb,kaknikhil/gpdb,kaknikhil/gpdb,50wu/gpdb,janebeckman/gpdb,Chibin/gpdb,greenplum-db/gpdb,50wu/gpdb,edespino/gpdb,greenplum-db/gpdb,janebeckman/gpdb,Chibin/gpdb,edespino/gpdb,edespino/gpdb,yuanzhao/gpdb,kaknikhil/gpdb,yuanzhao/gpdb,Quikling/gpdb,kaknikhil/gpdb,Chibin/gpdb,janebeckman/gpdb,lisakowen/gpdb,Chibin/gpdb,rvs/gpdb,adam8157/gpdb,Chibin/gpdb,adam8157/gpdb,kaknikhil/gpdb,jmcatamney/gpdb,greenplum-db/gpdb,Chibin/gpdb,lisakowen/gpdb,cjcjameson/gpdb,kaknikhil/gpdb,greenplum-db/gpdb,50wu/gpdb,Quikling/gpdb,yuanzhao/gpdb,edespino/gpdb,Quikling/gpdb,rvs/gpdb,Quikling/gpdb,rvs/gpdb,xinzweb/gpdb,adam8157/gpdb,adam8157/gpdb,edespino/gpdb,rvs/gpdb,cjcjameson/gpdb,Quikling/gpdb,Chibin/gpdb,Quikling/gpdb,kaknikhil/gpdb,50wu/gpdb,lisakowen/gpdb,rvs/gpdb,jmcatamney/gpdb,50wu/gpdb,lisakowen/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,lisakowen/gpdb,rvs/gpdb,lisakowen/gpdb,cjcjameson/gpdb,jmcatamney/gpdb,yuanzhao/gpdb,rvs/gpdb,adam8157/gpdb,rvs/gpdb,50wu/gpdb,cjcjameson/gpdb,xinzweb/gpdb,xinzweb/gpdb,ashwinstar/gpdb,ashwinstar/gpdb,janebeckman/gpdb,kaknikhil/gpdb,adam8157/gpdb,ashwinstar/gpdb,rvs/gpdb,jmcatamney/gpdb,cjcjameson/gpdb,Quikling/gpdb,cjcjameson/gpdb,janebeckman/gpdb,Chibin/gpdb,50wu/gpdb,edespino/gpdb,janebeckman/gpdb,ashwinstar/gpdb,lisakowen/gpdb,xinzweb/gpdb,ashwinstar/gpdb,janebeckman/gpdb,kaknikhil/gpdb,yuanzhao/gpdb,edespino/gpdb,jmcatamney/gpdb,Quikling/gpdb,yuanzhao/gpdb,janebeckman/gpdb,Quikling/gpdb,cjcjameson/gpdb,Chibin/gpdb,ashwinstar/gpdb,xinzweb/gpdb,lisakowen/gpdb,rvs/gpdb,adam8157/gpdb