Zack's Kernel News
Zack's Kernel News
Chronicler Zack Brown reports on the latest news, views, dilemmas, and developments within the Linux kernel community.
A Butterfly Flaps Its Wings
Andy Shevchenko, who is not a butterfly, happened to remark one day on the Linux Kernel Mailing List: "would it make sense to enable -Werror for default warning level, let's say W=0, at some point?" And this ended up producing great storms of change across the world.
The -Werror option is a command-line option for the GNU C Compiler (GCC). When compiling, GCC will detect many errors in your code, report them to you, and abort the attempt to compile your code. Perhaps you haven't quite made a real error, but your code is still not a good usage of the C language. In that case, GCC produces a warning instead and continues chugging away to build your executable. However, maybe you are so enthusiastic about proper C usage that you want GCC to treat those bad usages as if they were errors. The -Werror option tells GCC to do that.
Masahiro Yamada pointed out to Andy that "Every GCC release adds new warning options." And that "Enabling -Werror by default means the kernel build is suddenly broken with new compilers."
[...]
Buy this article as PDF
(incl. VAT)
Buy Linux Magazine
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
Support Our Work
Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.
News
-
Introducing matrixOS, an Immutable Gentoo-Based Linux Distro
It was only a matter of time before a developer decided one of the most challenging Linux distributions needed to be immutable.
-
Chaos Comes to KDE in KaOS
KaOS devs are making a major change to the distribution, and it all comes down to one system.
-
New Linux Botnet Discovered
The SSHStalker botnet uses IRC C2 to control systems via legacy Linux kernel exploits.
-
The Next Linux Kernel Turns 7.0
Linus Torvalds has announced that after Linux kernel 6.19, we'll finally reach the 7.0 iteration stage.
-
Linux From Scratch Drops SysVinit Support
LFS will no longer support SysVinit.
-
LibreOffice 26.2 Now Available
With new features, improvements, and bug fixes, LibreOffice 26.2 delivers a modern, polished office suite without compromise.
-
Linux Kernel Project Releases Project Continuity Document
What happens to Linux when there's no Linus? It's a question many of us have asked over the years, and it seems it's also on the minds of the Linux kernel project.
-
Mecha Systems Introduces Linux Handheld
Mecha Systems has revealed its Mecha Comet, a new handheld computer powered by – you guessed it – Linux.
-
MX Linux 25.1 Features Dual Init System ISO
The latest release of MX Linux caters to lovers of two different init systems and even offers instructions on how to transition.
-
Photoshop on Linux?
A developer has patched Wine so that it'll run specific versions of Photoshop that depend on Adobe Creative Cloud.