Files
libguestfs/m4/guestfs-qemu.m4
Richard W.M. Jones 389c6b7583 m4/guestfs-qemu.m4: Remove virtio-serial test
I'm not sure what versions of qemu lack virtio-serial support, but
it's not ones that we have ever seen, so remove this test.  Also
virtio-serial doesn't work without kernel support, but we never tested
that.

If qemu or the guest kernel really lacks virtio-serial (likely it has
been compiled out) then we'll see it as soon as someone uses
libguestfs.

This also removes QEMU_OPTIONS_FOR_CONFIGURE, and the test of the qemu
version, since both are no longer used after we remove this test.
2026-03-17 19:07:32 +00:00

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# libguestfs
# Copyright (C) 2009-2025 Red Hat Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
dnl Check for QEMU for running binaries on this $host_cpu, fall
dnl back to basic 'qemu'. Allow the user to override it.
AS_CASE([$host_cpu],
[i@<:@456@:>@86],[qemu_cpu=i386],
[arm*],[qemu_cpu=arm],
[amd64],[qemu_cpu=x86_64],
[powerpc64 | ppc64le | powerpc64le],[qemu_cpu=ppc64],
[qemu_cpu=$host_cpu])
default_qemu="qemu-kvm kvm qemu-system-$qemu_cpu qemu"
AC_ARG_WITH([qemu],
[AS_HELP_STRING([--with-qemu="bin1 bin2 ..."],
[set default QEMU binary @<:@default="[qemu-kvm] qemu-system-<host> qemu"@:>@])],
dnl --with-qemu or --without-qemu:
[],
dnl neither option was given:
[with_qemu="$default_qemu"]
)
AS_IF([test "x$with_qemu" = "xno"],[
AC_MSG_WARN([qemu was disabled, libguestfs may not work at all])
QEMU=no
],[
AC_PATH_PROGS([QEMU],[$with_qemu],[no],
[$PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/libexec])
test "x$QEMU" = "xno" && AC_MSG_ERROR([qemu must be installed])
AC_DEFINE_UNQUOTED([QEMU],["$QEMU"],[Location of qemu binary.])
])