Assume link native for AIX compiled binary

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29046 3ad0048d-3df7-0310-abae-a5850022a9f2
 Allow use of native ld or GNU gld for AIX

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29047 3ad0048d-3df7-0310-abae-a5850022a9f2
 Add AIX support

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29048 3ad0048d-3df7-0310-abae-a5850022a9f2