On Tue, Aug 3, 2021 at 8:36 AM Michael Roth <michael.roth@amd.com> wrote:

> libstdc++ is required for the qga-vss.dll that provides fsfreeze
> functionality. Currently it is not provided by the MSI installer,
> resulting in fsfreeze being disabled in guest environments where it has
> not been installed by other means.
>
> In the future this would be better handled via gcc-cpp ComponentGroup
> provided by msitools, but that would be better handled with a general
> rework of DLL dependency handling in the installer build. Keep it
> simple for now to fix this regression.
>
> Tested with Fedora 34 mingw build environment.
>
> Cc: Gerd Hoffmann <kraxel@redhat.com>
> Cc: Kostiantyn Kostiuk <konstantin@daynix.com>
> Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
> Cc: Philippe Mathieu-Daudé <philmd@redhat.com>
> Signed-off-by: Michael Roth <michael.roth@amd.com>
>

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>

---
>  qga/installer/qemu-ga.wxs | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/qga/installer/qemu-ga.wxs b/qga/installer/qemu-ga.wxs
> index ce7b25b5e1..0950e8c6be 100644
> --- a/qga/installer/qemu-ga.wxs
> +++ b/qga/installer/qemu-ga.wxs
> @@ -84,6 +84,9 @@
>              <ServiceControl Id="StartService" Start="install" Stop="both"
> Remove="uninstall" Name="QEMU-GA" Wait="yes" />
>            </Component>
>            <?ifdef var.InstallVss?>
> +          <Component Id="libstdc++_6_lib"
> Guid="{55E737B5-9127-4A11-9FC3-A29367714574}">
> +            <File Id="libstdc++-6.lib" Name="libstdc++-6.dll"
> Source="$(var.Mingw_bin)/libstdc++-6.dll" KeyPath="yes" DiskId="1"/>
> +          </Component>
>            <Component Id="qga_vss_dll"
> Guid="{CB19C453-FABB-4BB1-ABAB-6B74F687BFBB}">
>              <File Id="qga_vss.dll" Name="qga-vss.dll"
> Source="$(env.BUILD_DIR)/qga/vss-win32/qga-vss.dll" KeyPath="yes"
> DiskId="1"/>
>            </Component>
> @@ -164,6 +167,7 @@
>      <Feature Id="QEMUFeature" Title="QEMU Guest Agent" Level="1">
>        <ComponentRef Id="qemu_ga" />
>        <?ifdef var.InstallVss?>
> +      <ComponentRef Id="libstdc++_6_lib" />
>        <ComponentRef Id="qga_vss_dll" />
>        <ComponentRef Id="qga_vss_tlb" />
>        <?endif?>
> --
> 2.25.1
>
>