On Wed, 25 Jul 2018, David Edelsohn wrote:
AIX 5.3 no longer is under supported or maintained.
If gcc-5+ fails to build on AIX 5.3 and patches to make it compile are not welcome, maybe some cleanup removing aix43.h, aix5*.h and whateverconfigure bits could help clarify things? Only when someone has the time, of course.
-- Marc Glisse