Only add gdbver.inc if needed

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29154 3ad0048d-3df7-0310-abae-a5850022a9f2
 Explictly add subdirectory fpmake.pp sources to ./fpmake dependencies

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29155 3ad0048d-3df7-0310-abae-a5850022a9f2
 Add powerpc64 xcoff support for AIX

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29156 3ad0048d-3df7-0310-abae-a5850022a9f2
 Explictly add subdirectory fpmake.pp sources to ./fpmake dependencies

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29157 3ad0048d-3df7-0310-abae-a5850022a9f2