Log Message:
-----------
add check to make sure we are using GNU make
Modified Files:
--------------
client-code:
run_build.pl (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbuildfarm/client-code/run_build.pl.diff?r1=1.6&r2=1.7)