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meson: Add optional dependency on IGVM library

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The IGVM library allows Independent Guest Virtual Machine files to be
parsed and processed. IGVM files are used to configure guest memory
layout, initial processor state and other configuration pertaining to
secure virtual machines.

This adds the --enable-igvm configure option, enabled by default, which
attempts to locate and link against the IGVM library via pkgconfig and
sets CONFIG_IGVM if found.

The library is added to the system_ss target in backends/meson.build
where the IGVM parsing will be performed by the ConfidentialGuestSupport
object.

Signed-off-by: Roy Hopkins <roy.hopkins@randomman.co.uk>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Gerd Hoffman <kraxel@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Link: https://lore.kernel.org/r/45945a83a638c3f08e68c025f378e7b7f4f6d593.1751554099.git.roy.hopkins@randomman.co.uk
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Roy Hopkins 2025-07-03 16:00:36 +01:00 • committed by Paolo Bonzini
parent b28f6d5c16
commit 84fe49d94a
4 changed files with 16 additions and 0 deletions
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2
meson_options.txt
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@ -117,6 +117,8 @@ option('tpm', type : 'feature', value : 'auto',
description: 'TPM support')
option('valgrind', type : 'feature', value: 'auto',
description: 'valgrind debug support for coroutine stacks')
option('igvm', type: 'feature', value: 'auto',
description: 'Independent Guest Virtual Machine (IGVM) file support')
# Do not enable it by default even for Mingw32, because it doesn't
# work on Wine.