* When NeedLibC is set, the gcclib-dir is detected and added to the linker search path

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@24718 3ad0048d-3df7-0310-abae-a5850022a9f2
* fixed tcgnotnode.second_64bit for 8/16-bit cpus after r24678

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@24719 3ad0048d-3df7-0310-abae-a5850022a9f2