Re: [PATCH] Update GMP/MPFR/MPC/ISL/gettext to latest release

[Sebastian Huber <sebastian.huber@embedded-brains.de>]

On 25.11.23 14:59, Richard Biener wrote:
> On Sat, Nov 25, 2023 at 12:26 PM Sebastian Huber
> <sebastian.huber@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.

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