Re: Bug#1115881: glibc 2.42 breaks the gnat-XXX provide
Hi,
On 2025-09-21 07:37, Matthias Klose wrote:
> Package: src:glibc
> Version: 2.42-2
> Severity: serious
> Tags: sid forky
> X-Debbugs-CC: debian-ada@lists.debian.org
> Affects: src:gcc-14
>
> When gcc-14 is rebuilt with glibc 2.42, the gnat provides will change. I
> figured out this is due to:
>
> --- ./build/gcc/ada/rts/s-oscons.ads 2025-09-20 12:25:15.710151493 +0200
> +++ ./build/gcc/ada/rts/s-oscons.ads 2025-09-20 09:23:35.826784850 +0200
> @@ -173,36 +173,36 @@
> PARENB : constant := 256; -- Parity
> enable
> PARODD : constant := 512; -- Parity odd
> B0 : constant := 0; -- 0 bps
> - B50 : constant := 1; -- 50 bps
> - B75 : constant := 2; -- 75 bps
> - B110 : constant := 3; -- 110 bps
> - B134 : constant := 4; -- 134 bps
> - B150 : constant := 5; -- 150 bps
> - B200 : constant := 6; -- 200 bps
> - B300 : constant := 7; -- 300 bps
> - B600 : constant := 8; -- 600 bps
> - B1200 : constant := 9; -- 1200 bps
> - B1800 : constant := 10; -- 1800 bps
> - B2400 : constant := 11; -- 2400 bps
> - B4800 : constant := 12; -- 4800 bps
> - B9600 : constant := 13; -- 9600 bps
> - B19200 : constant := 14; -- 19200 bps
> - B38400 : constant := 15; -- 38400 bps
> - B57600 : constant := 4097; -- 57600 bps
> - B115200 : constant := 4098; -- 115200 bps
> - B230400 : constant := 4099; -- 230400 bps
> - B460800 : constant := 4100; -- 460800 bps
> - B500000 : constant := 4101; -- 500000 bps
> - B576000 : constant := 4102; -- 576000 bps
> - B921600 : constant := 4103; -- 921600 bps
> - B1000000 : constant := 4104; -- 1000000 bps
> - B1152000 : constant := 4105; -- 1152000 bps
> - B1500000 : constant := 4106; -- 1500000 bps
> - B2000000 : constant := 4107; -- 2000000 bps
> - B2500000 : constant := 4108; -- 2500000 bps
> - B3000000 : constant := 4109; -- 3000000 bps
> - B3500000 : constant := 4110; -- 3500000 bps
> - B4000000 : constant := 4111; -- 4000000 bps
> + B50 : constant := 50; -- 50 bps
> + B75 : constant := 75; -- 75 bps
> + B110 : constant := 110; -- 110 bps
> + B134 : constant := 134; -- 134 bps
> + B150 : constant := 150; -- 150 bps
> + B200 : constant := 200; -- 200 bps
> + B300 : constant := 300; -- 300 bps
> + B600 : constant := 600; -- 600 bps
> + B1200 : constant := 1200; -- 1200 bps
> + B1800 : constant := 1800; -- 1800 bps
> + B2400 : constant := 2400; -- 2400 bps
> + B4800 : constant := 4800; -- 4800 bps
> + B9600 : constant := 9600; -- 9600 bps
> + B19200 : constant := 19200; -- 19200 bps
> + B38400 : constant := 38400; -- 38400 bps
> + B57600 : constant := 57600; -- 57600 bps
> + B115200 : constant := 115200; -- 115200 bps
> + B230400 : constant := 230400; -- 230400 bps
> + B460800 : constant := 460800; -- 460800 bps
> + B500000 : constant := 500000; -- 500000 bps
> + B576000 : constant := 576000; -- 576000 bps
> + B921600 : constant := 921600; -- 921600 bps
> + B1000000 : constant := 1000000; -- 1000000 bps
> + B1152000 : constant := 1152000; -- 1152000 bps
> + B1500000 : constant := 1500000; -- 1500000 bps
> + B2000000 : constant := 2000000; -- 2000000 bps
> + B2500000 : constant := 2500000; -- 2500000 bps
> + B3000000 : constant := 3000000; -- 3000000 bps
> + B3500000 : constant := 3500000; -- 3500000 bps
> + B4000000 : constant := 4000000; -- 4000000 bps
>
> ---------------------------------
> -- Terminal control characters --
>
>
> Now, that might not be considered an ABI break for glibc, but the checksum
> over the .ali files interpret that as such one. However that seems to be
> the first time that a glibc update changes that gnat ABI.
>
> Note, that we just can rebuild all the packages build-depending on
> gnat/gnat-14, but maybe the current ali checksum approach is too tight to be
> useful for an ABI check.
Could someone on the ADA side please tell us, if it is fine to include
the gnat stack in the glibc transition, or if the checksum approach
needs to be changed or any other suggestion?
Thanks
Aurelien
--
Aurelien Jarno GPG: 4096R/1DDD8C9B
aurelien@aurel32.net http://aurel32.net
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