Date: Thu, 25 Mar 2010 13:30:29 -0400 From: Ryan Stone <rysto32@gmail.com> To: Mario Lobo <lobo@bsd.com.br> Cc: freebsd-hackers@freebsd.org, FreeBSD-Questions@freebsd.org Subject: Re: Compiling kernel with gcc43 Message-ID: <bc2d971003251030u24c21110s4ba56e2ac82d196f@mail.gmail.com> In-Reply-To: <9884b5281003251018g2599bfc9nec53b84253372e42@mail.gmail.com> References: <201003242258.05830.lobo@bsd.com.br> <9884b5281003250924i462eee68uf2a7eba7dd864033@mail.gmail.com> <bc2d971003251004r737a50cfmbf8df8d6cddbcd5c@mail.gmail.com> <9884b5281003251018g2599bfc9nec53b84253372e42@mail.gmail.com>
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-Wnoerror should disable it, but I don't know enough about the FreeBSD build infrastructure to tell you where it needs to go. Worst comes to worst you can just delete all of the -Werrors. Disabling -Werror will not cause any problems. -Werror means "treat warnings as errors". It's very useful for development but in your case, where you're starting with a known good source tree with no warnings with earlier compilers, it's not necessary to have the option enabled. If the warnings are pointing to legitimate bugs, those bugs also exist in a kernel built by gcc 4.2, so your kernel can't be any worse than what you already have.
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