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meson: cleanup Kconfig.host handling

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Build the array of command line arguments coming from config_host
once for all targets.  Add all accelerators to accel/Kconfig so
that the command line arguments for accelerators can be computed
easily in the existing "foreach sym: accelerators" loop.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2020-11-17 14:58:32 +01:00
parent 2f2a376a42
commit 0a18911074
3 changed files with 35 additions and 36 deletions
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19
docs/devel/kconfig.rst
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@ -288,21 +288,20 @@ they will include all these symbols and some help text on what they do.
----------------
In some special cases, a configurable element depends on host features
that are detected by QEMU's configure script; for example some devices
depend on the availability of KVM or on the presence of a library on
the host.
that are detected by QEMU's configure or ``meson.build`` scripts; for
example some devices depend on the availability of KVM or on the presence
of a library on the host.
These symbols should be listed in ``Kconfig.host`` like this::
config KVM
config TPM
bool
and also listed as follows in the top-level Makefile's ``MINIKCONF_ARGS``
and also listed as follows in the top-level meson.build's host_kconfig
variable::
MINIKCONF_ARGS = \
$@ $*/config-devices.mak.d $< $(MINIKCONF_INPUTS) \
CONFIG_KVM=$(CONFIG_KVM) \
CONFIG_SPICE=$(CONFIG_SPICE) \
CONFIG_TPM=$(CONFIG_TPM) \
host_kconfig = \
('CONFIG_TPM' in config_host ? ['CONFIG_TPM=y'] : []) + \
('CONFIG_SPICE' in config_host ? ['CONFIG_SPICE=y'] : []) + \
('CONFIG_IVSHMEM' in config_host ? ['CONFIG_IVSHMEM=y'] : []) + \
...