From: Richard Henderson Date: Tue, 28 Jan 2025 00:22:24 +0000 (-0800) Subject: meson: Deprecate 32-bit host support X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6d701c9bac1d3571e9ad511e01b27df7237f0b13;p=qemu.git meson: Deprecate 32-bit host support We deprecated i686 system mode support for qemu 8.0. However, to make real cleanups to TCG we need to deprecate all 32-bit hosts. Reviewed-by: Thomas Huth Reviewed-by: Alex Bennée Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 4a3c302962..7c61d0ba16 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -204,6 +204,13 @@ is going to be so much slower it wouldn't make sense for any serious instrumentation. Due to implementation differences there will also be anomalies in things like memory instrumentation. +32-bit host operating systems (since 10.0) +'''''''''''''''''''''''''''''''''''''''''' + +Keeping 32-bit host support alive is a substantial burden for the +QEMU project. Thus QEMU will in future drop the support for all +32-bit host systems. + System emulator CPUs -------------------- diff --git a/meson.build b/meson.build index ec51827f40..387490d922 100644 --- a/meson.build +++ b/meson.build @@ -4841,14 +4841,12 @@ if host_arch == 'unknown' message('configure has succeeded and you can continue to build, but') message('QEMU will use a slow interpreter to emulate the target CPU.') endif -elif host_arch == 'mips' +elif host_long_bits < 64 message() warning('DEPRECATED HOST CPU') message() - message('Support for CPU host architecture ' + cpu + ' is going to be') - message('dropped as soon as the QEMU project stops supporting Debian 12') - message('("Bookworm"). Going forward, the QEMU project will not guarantee') - message('that QEMU will compile or work on this host CPU.') + message('Support for 32-bit CPU host architecture ' + cpu + ' is going') + message('to be dropped in a future QEMU release.') endif if not supported_oses.contains(host_os)