binutils-2.17 and -O3

Greg Schafer diy-linux-dev@diy-linux.org
Sun, 14 Jan 2007 12:14:53 +1100


On Sun, Jan 14, 2007 at 12:53:26AM +0000, Jon Grosshart wrote:

> Now I'm kinda curious about --disable-werror on 1st pass but not 2nd... :-)

It's for robustness reasons ie: maximum buildability. Bootstrapping from
some old hosts (eg: RH62) results in compiler warnings which break the
build. By the time we get to pass 2, we are compiling with a modern GCC and
therefore no warnings.

Regards
Greg