Re: [PATCH] configure: fix detection of gdbus-codegen

[Philippe Mathieu-Daudé]

On 5/5/21 4:24 PM, Paolo Bonzini wrote:
> "pkg-config --variable=gdbus_codegen gio-2.0" returns "gdbus-codegen",
> and it does not pass test -x (which does not walk the path).
> 
> Meson 0.58.0 notices that something is iffy, as the dbus_vmstate1
> assignment in tests/qtest/meson.build uses an empty string as the
> command, and fails very eloquently:
> 
> ../tests/qtest/meson.build:92:2: ERROR: No program name specified.
> 
> Use the "has" function instead of test -x, and fix the generation
> of config-host.mak since meson.build expects that GDBUS_CODEGEN
> is absent, rather than empty, if the tool is unavailable.
> 
> Reported-by: Sebastian Mitterle <smitterl@redhat.com>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  configure | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>