Re: CVS commit: pkgsrc/lang/gcc49

[Joerg Sonnenberger <joerg%bec.de@localhost>]

On Sat, Apr 22, 2017 at 12:22:01PM +0000, Maya Rashish wrote:
> this is a build time optimization that causes hangs on some machines
> (netbsd-7/i386, but not netbsd-7/amd64). disable it globally instead
> of guessing which are broken.

GCC's PCH is broken by design. It assumes that it can map a file again
at the same location in later runs. That doesn't work very well on 32bit
systems in general and with ASLR, it gets much worse.

Joerg