Gentoo Archives: gentoo-user

From: Mick <michaelkintzios@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] chromium-65.0.3325.146 compilation warnings
Date: Mon, 12 Mar 2018 08:34:58
Message-Id: 2385176.C57dXTW5Ma@dell_xps
In Reply to: Re: [gentoo-user] chromium-65.0.3325.146 compilation warnings by Alexander Kapshuk
1 On Monday, 12 March 2018 08:27:31 GMT Alexander Kapshuk wrote:
2 > On Mon, Mar 12, 2018 at 10:17 AM, Mick <michaelkintzios@×××××.com> wrote:
3 > > I can see a few warnings pilling up on different systems when trying to
4 > > emerge chromium-65.0.3325.146:
5 > >
6 > > warning: unknown warning option '-Wno-enum-compare-switch'; did you mean
7 > > '-
8 > > Wno-enum-compare'? [-Wunknown-warning-option]
9 > > warning: unknown warning option '-Wno-tautological-unsigned-zero-compare'
10 > > [- Wunknown-warning-option]
11 > > warning: unknown warning option '-Wno-null-pointer-arithmetic'; did you
12 > > mean '-Wno-null-arithmetic'? [-Wunknown-warning-option]
13 > > warning: unknown warning option '-Wno-tautological-constant-compare'; did
14 > > you mean '-Wno-tautological-pointer-compare'? [-Wunknown-warning-option]
15 > > 4 warnings generated.
16 > >
17 > > Does this mean I should be using a different gcc or CFLAGS?
18 > >
19 > > They mostly are:
20 > >
21 > > CFLAGS="-march=native -O2 -pipe"
22 > >
23 > > --
24 > > Regards,
25 > > Mick
26 >
27 > On my x86 system, I've been seeing similar warnings being generated by
28 > clang when compiling the ffmpeg that comes with chromium.
29 > I've also hit another bug related to that, where clang compilation
30 > terminates with an error message along the lines of there being not
31 > enough registers available.
32 > There's a bug registered for that in chromium bugzilla, which I can't
33 > reference at the moment. So far, no solution has been implemented, as
34 > far as I could tell.
35
36 Right, clang's the culprit ... thanks for letting me know. An amd64 system
37 completed the emerge without problems, two others are still chugging along.
38 --
39 Regards,
40 Mick

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