Re: [Qemu-devel] [PATCH v3 1/6] audio: use pkg-config

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 1/24/19 12:20 PM, Gerd Hoffmann wrote:
> Use pkg-config to probe for alsa and pulseaudio.
> 
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

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

> ---
>  configure | 39 +++++++++++++--------------------------
>  1 file changed, 13 insertions(+), 26 deletions(-)
> 
> diff --git a/configure b/configure
> index 8f312ac3e2..5fcd0f4795 100755
> --- a/configure
> +++ b/configure
> @@ -3342,39 +3342,26 @@ fi
>  ##########################################
>  # Sound support libraries probe
>  
> -audio_drv_probe()
> -{
> -    drv=$1
> -    hdr=$2
> -    lib=$3
> -    exp=$4
> -    cfl=$5
> -        cat > $TMPC << EOF
> -#include <$hdr>
> -int main(void) { $exp }
> -EOF
> -    if compile_prog "$cfl" "$lib" ; then
> -        :
> -    else
> -        error_exit "$drv check failed" \
> -            "Make sure to have the $drv libs and headers installed."
> -    fi
> -}
> -
>  audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
>  for drv in $audio_drv_list; do
>      case $drv in
>      alsa)
> -    audio_drv_probe $drv alsa/asoundlib.h -lasound \
> -        "return snd_pcm_close((snd_pcm_t *)0);"
> -    alsa_libs="-lasound"
> +    if $pkg_config alsa --exists; then
> +        alsa_libs=$($pkg_config alsa --libs)
> +    else
> +        error_exit "$drv check failed" \
> +            "Make sure to have the $drv libs and headers installed."
> +    fi
>      ;;
>  
>      pa)
> -    audio_drv_probe $drv pulse/pulseaudio.h "-lpulse" \
> -        "pa_context_set_source_output_volume(NULL, 0, NULL, NULL, NULL); return 0;"
> -    pulse_libs="-lpulse"
> -    audio_pt_int="yes"
> +    if $pkg_config libpulse --exists; then
> +        pulse_libs=$($pkg_config libpulse --libs)
> +        audio_pt_int="yes"
> +    else
> +        error_exit "$drv check failed" \
> +            "Make sure to have the $drv libs and headers installed."
> +    fi
>      ;;
>  
>      sdl)
>