Gentoo Archives: gentoo-dev

From: Enrico Weigelt <weigelt@×××××.de>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] Re: FYI: Rules for distro-friendly packages
Date: Sun, 27 Jun 2010 12:31:32
Message-Id: 20100627122539.GF16434@nibiru.local
In Reply to: Re: [gentoo-dev] Re: FYI: Rules for distro-friendly packages by "Harald van Dijk"
1 * Harald van D??k <truedfx@g.o> schrieb:
3 > The compiler is not totally free to ignore the register keyword. Both
4 > the C and the C++ standards require that the compiler complain when
5 > taking the address of a register variable. Other compilers will issue a
6 > hard error for it. Fixing the code to not declare the variable as
7 > register would be the correct thing to do.
9 BTW: is the register keyword still so useful nowadays ?
10 Shouldn't a modern (optimizing) compiler be clever enough to
11 find out when it can use registers instead of RAM ?
13 > Make sure you *understand* warnings, and then you can decide whether to
14 > fix the code, if there is anything to fix, or to ignore.
16 hmm, is there a (portable) way to prevent a specific warning
17 in an specific place ? (some kind of #pragma ?)
20 cu
21 --
22 ---------------------------------------------------------------------
23 Enrico Weigelt == metux IT service -
24 ---------------------------------------------------------------------
25 Please visit the OpenSource QM Taskforce:
27 Patches / Fixes for a lot dozens of packages in dozens of versions:
29 ---------------------------------------------------------------------


Subject Author
Re: [gentoo-dev] Re: FYI: Rules for distro-friendly packages Ciaran McCreesh <ciaran.mccreesh@××××××××××.com>