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Fwd: [PATCH] hw/core: Only build guest-loader if libfdt is available


From: Philippe Mathieu-Daudé
Subject: Fwd: [PATCH] hw/core: Only build guest-loader if libfdt is available
Date: Wed, 17 Mar 2021 13:09:11 +0100

forward to the list.

---------- Forwarded message ---------
From: Anthoine Bourgeois <anthoine.bourgeois@gmail.com>
Date: Wed, Mar 17, 2021 at 11:26 AM
Subject: Re: [PATCH] hw/core: Only build guest-loader if libfdt is available
To: Philippe Mathieu-Daudé <philmd@redhat.com>


On Mon, Mar 15, 2021 at 06:04:39PM +0100, Philippe Mathieu-Daudé wrote:
>Add a Kconfig entry for guest-loader so we can optionally deselect
>it (default is built in), and add a Meson dependency on libfdt.
>
>This fixes when building with --disable-fdt:
>
>  /usr/bin/ld: libcommon.fa.p/hw_core_guest-loader.c.o: in function 
> `loader_insert_platform_data':
>  hw/core/guest-loader.c:56: undefined reference to `qemu_fdt_add_subnode'
>  /usr/bin/ld: hw/core/guest-loader.c:57: undefined reference to 
> `qemu_fdt_setprop'
>  /usr/bin/ld: hw/core/guest-loader.c:61: undefined reference to 
> `qemu_fdt_setprop_string_array'
>  /usr/bin/ld: hw/core/guest-loader.c:68: undefined reference to 
> `qemu_fdt_setprop_string'
>  /usr/bin/ld: hw/core/guest-loader.c:74: undefined reference to 
> `qemu_fdt_setprop_string_array'
>  collect2: error: ld returned 1 exit status
>
>Fixes: a33ff6d2c6b ("hw/core: implement a guest-loader to support static 
>hypervisor guests")
>Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
>Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
>Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>

Reviewed-by: Anthoine Bourgeois <anthoine.bourgeois@gmail.com>
Tested-by: Anthoine Bourgeois <anthoine.bourgeois@gmail.com>

Thank you.

>---
> hw/core/Kconfig     | 5 +++++
> hw/core/meson.build | 3 +--
> 2 files changed, 6 insertions(+), 2 deletions(-)
>
>diff --git a/hw/core/Kconfig b/hw/core/Kconfig
>index fdf03514d7d..9397503656d 100644
>--- a/hw/core/Kconfig
>+++ b/hw/core/Kconfig
>@@ -11,6 +11,11 @@ config GENERIC_LOADER
>     bool
>     default y
>
>+config GUEST_LOADER
>+    bool
>+    default y
>+    depends on TCG
>+
> config OR_IRQ
>     bool
>
>diff --git a/hw/core/meson.build b/hw/core/meson.build
>index 9cd72edf513..59f1605bb07 100644
>--- a/hw/core/meson.build
>+++ b/hw/core/meson.build
>@@ -16,6 +16,7 @@
> common_ss.add(files('cpu.c'))
> common_ss.add(when: 'CONFIG_FITLOADER', if_true: files('loader-fit.c'))
> common_ss.add(when: 'CONFIG_GENERIC_LOADER', if_true: 
> files('generic-loader.c'))
>+common_ss.add(when: ['CONFIG_GUEST_LOADER', fdt], if_true: 
>files('guest-loader.c'))
> common_ss.add(when: 'CONFIG_OR_IRQ', if_true: files('or-irq.c'))
> common_ss.add(when: 'CONFIG_PLATFORM_BUS', if_true: files('platform-bus.c'))
> common_ss.add(when: 'CONFIG_PTIMER', if_true: files('ptimer.c'))
>@@ -37,8 +38,6 @@
>   'clock-vmstate.c',
> ))
>
>-softmmu_ss.add(when: 'CONFIG_TCG', if_true: files('guest-loader.c'))
>-
> specific_ss.add(when: 'CONFIG_SOFTMMU', if_true: files(
>   'machine-qmp-cmds.c',
>   'numa.c',
>--
>2.26.2
>
>




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