Log Message:
-----------
Allow augmenting CPPFLAGS from the configure command line. This generally
works, but some platform templates overwrote it without asking.
Modified Files:
--------------
pgsql/src/template:
hpux (r1.15 -> r1.16)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/template/hpux.diff?r1=1.15&r2=1.16)
linux (r1.28 -> r1.29)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/template/linux.diff?r1=1.28&r2=1.29)