added gcc4 detection for linux 32bit for non-x86 archs

git-svn-id: https://svn.pnl.gov/svn/nwchem/trunk@26290 85dd5168-0e29-45a6-bdf9-2122c44e486f
6.5

git-svn-id: https://svn.pnl.gov/svn/nwchem/trunk@26291 85dd5168-0e29-45a6-bdf9-2122c44e486f
fixed bad arg for xargs...EJB

git-svn-id: https://svn.pnl.gov/svn/nwchem/trunk@26293 85dd5168-0e29-45a6-bdf9-2122c44e486f
ucommented nwad include....EJB

git-svn-id: https://svn.pnl.gov/svn/nwchem/trunk@26294 85dd5168-0e29-45a6-bdf9-2122c44e486f