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hw/usb: Do not build USB subsystem if not required

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If the Kconfig 'USB' value is not selected, it is pointless to
build the USB core components. Add a stub for the HMP commands
and usbdevice_create() which is called by usb_device_add in
softmmu/vl.c.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210424224110.3442424-3-f4bug@amsat.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé
2021-04-25 00:41:10 +02:00
committed by Gerd Hoffmann
parent 1081607bfa
commit 9c3c834bdd
4 changed files with 30 additions and 6 deletions
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stubs/meson.build
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@@ -50,6 +50,7 @@ if have_block
endif
if have_system
stub_ss.add(files('semihost.c'))
stub_ss.add(files('usb-dev-stub.c'))
stub_ss.add(files('xen-hw-stub.c'))
else
stub_ss.add(files('qdev.c'))