From: Florian Weimer > Sent: 12 January 2021 13:32 > > * Lukas Wunner: > > > On Fri, Jan 08, 2021 at 12:02:53PM -0800, Linus Torvalds wrote: > >> I appreciate Arnd pointing out "--std=gnu11", though. What are the > >> actual relevant language improvements? > >> > >> Variable declarations in for-loops is the only one I can think of. I > >> think that would clean up some code (and some macros), but might not > >> be compelling on its own. > > > > Anonymous structs/unions. I used to have a use case for that in > > struct efi_dev_path in include/linux/efi.h, but Ard Biesheuvel > > refactored it in a gnu89-compatible way for v5.7 with db8952e7094f. > > Aren't those a GNU extension supported since GCC 3.0? They are certainly pretty old. The 15 year old gcc we use for release builds (so binaries work on old distributions) supports them. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)