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From: Tom Kacvinsky via Gdb <gdb@sourceware.org>
To: GDB <gdb@sourceware.org>
Subject: Problems building GC 18.1 on CentOS 7
Date: Sat, 3 Oct 2026 15:18:51 -0400	[thread overview]
Message-ID: <CAG_eJLdhGq=0+GML9UHZXq9JWk8zGdqUjJ=cvudNacyx+wTf=w@mail.gmail.com> (raw)

Hi,

I found a few issues with building GDB 18.1 on CentOS 7, using
GCC 16.1.0 (which I had built from source)  They are two fold

1. An issue with ./gdb/tui/tui-io.c using macro define(s) that the
system curses headers don't provide.

2. An issue with ptrace macro define(s) that are provided in glibc
2.18 or later, but not on CentOS 7, which is glibc 2.17 based.

I used Claude Opus 5 to generate a patch and manually inspected it.
I am not sure what the GDB policy is for AI assisted patches.

I will get the exact compilation failures and the patch to the list on
Monday.  To be honest, when it comes to the patch, I think I need to
be mindful that I am building on Linux (via __linux__), using GCC
(via __GNU__) and the glibc version is less than 2.18 using
__GLIBC_PREREQ from features.h

Regards,

Tom

             reply	other threads:[~2026-10-03 19:19 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-03 19:18 Tom Kacvinsky via Gdb [this message]
2026-10-03 20:47 ` Tom Kacvinsky via Gdb
2026-10-03 22:05 ` Simon Marchi via Gdb
2026-10-03 22:25   ` Tom Kacvinsky via Gdb
2026-10-04  1:55     ` Tom Kacvinsky via Gdb
2026-10-05 11:28 ` Guinevere Larsen via Gdb
2026-10-05 11:58   ` Tom Kacvinsky via Gdb

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