Date: Mon, 21 May 2012 21:59:35 -0400 From: Rich Felker <dalias@...ifal.cx> To: musl@...ts.openwall.com Subject: Re: A little more progress today with clang/LLVM On Mon, May 21, 2012 at 08:47:04PM -0500, Richard Pennington wrote: > I've decided to keep the musl build scheme with a few minor changes (e.g. > replace libgcc.a with libcompiler-rt.a). > > I'm now building for i386, arm, and x86_64. I enabled clang warnings -Werror > and had to inhibit a few, some of which look like they need some attention. > Here's my current list: > > -Werror -Qunused-arguments -Wno-unneeded-internal-declaration -Wno-cast-align > -Wno-incompatible-pointer-types -Wno-implicit-function-declaration -Wno- > string-plus-int -Wno-pointer-sign -Wno-array-bounds Aside from unused arguments (a bogus warning IMO) and string plus int (why is this a warning?), these sound like they could be issues to address. I cleaned up all the pointer signedness warnings (which should be errors, per the C language) with gcc, so I'm unsure why they're showing up again. Implicit function declarations sound particularly bad, but gcc didn't report any to me. The rest are *probably* non-issues, but I'd like to check them if you could send the warning output to the list. > I think that bits/alltypes.h might need some clang specific tweaking. Can you elaborate? > I'm going to start looking at the mips, ppc, and microblaze bits now, and will > look at warning elimination after. I'll be happy to look at it for you. :) Rich
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