> On 25 Nov 2023, at 21:44, Sebastian Huber
> <sebastian.hu...@embedded-brains.de> wrote:
>
> On 25.11.23 14:59, Richard Biener wrote:
>> On Sat, Nov 25, 2023 at 12:26 PM Sebastian Huber
>> <sebastian.hu...@embedded-brains.de> wrote:
>>> contrib/ChangeLog
>> Did you verify an in-tree build with these works and the testsuite
>> is clean?
>
> I was able to build a native GCC:
>
> /tmp/sh/i-native/bin/gcc --version --verbose
> Using built-in specs.
> COLLECT_AS_OPTIONS='--version'
> COLLECT_GCC=/tmp/sh/i-native/bin/gcc
> COLLECT_LTO_WRAPPER=/tmp/sh/i-native/lib/gcc/x86_64-pc-linux-gnu/14.0.0/lto-wrapper
> gcc (GCC) 14.0.0 20231125 (experimental) [master 9c26c91b94e]
> Copyright (C) 2023 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions. There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>
>
> Target: x86_64-pc-linux-gnu
> Configured with: /home/EB/sebastian_h/src/gcc/configure
> --prefix=/tmp/sh/i-native --verbose --enable-checking=yes,rtl
> --disable-libsanitizer --disable-multilib --disable-bootstrap
> --enable-languages=c,c++
> Thread model: posix
> Supported LTO compression algorithms: zlib
> gcc version 14.0.0 20231125 (experimental) [master 9c26c91b94e] (GCC)
> COLLECT_GCC_OPTIONS='--version' '-v' '-mtune=generic' '-march=x86-64'
> '-dumpdir' 'a-'
> /tmp/sh/i-native/lib/gcc/x86_64-pc-linux-gnu/14.0.0/cc1 -quiet -v help-dummy
> -quiet -dumpdir a- -dumpbase help-dummy -mtune=generic -march=x86-64 -version
> --version -o /tmp/ccHTKJ5B.s
> GNU C17 (GCC) version 14.0.0 20231125 (experimental) [master 9c26c91b94e]
> (x86_64-pc-linux-gnu)
> compiled by GNU C version 14.0.0 20231122 (experimental) [master
> 6bf66276e3e], GMP version 6.3.0, MPFR version 4.2.1, MPC version 1.3.1, isl
> version isl-0.26-GMP
> [...]
>
> However, I noticed that this was with a disabled bootstrap (for the git
> bisect). The bootstrap fails with an error in ISL 0.26 which seems to be a
> known issue:
>
> https://www.mail-archive.com/gcc@gcc.gnu.org/msg101643.html
>
> I thought that the GCC prerequisite library maintainers check that a new
> release is able to bootstrap GCC, but this seems to be not the case. The
> older releases have problems to recognize arm64-apple.
0.24 (at least) builds fine in-tree on aarch64-apple-darwin21; do you have a
pointer to the recognition issue?
I’ll try 0.25 in the next few days.
Iain
