We still need the configure checks.
Only the HAL device probe plugin is gone.
dnl
dnl HAL services discovery
-PKG_CHECK_MODULES([HAL], [hal >= 0.5.0],, [true])
+PKG_ENABLE_MODULES_VLC([HAL], [], [hal >= 0.5.0], [Linux HAL services discovery], [auto])
dnl
dnl MTP devices services discovery
* growl: announce currently playing stream to growl
* growl_udp: growl UDP notification plugin
* h264: H264 decoder
+ * hal: Linux HAL services discovery module
* hd1000a: audio output module for the Roku HD1000 Set-Top-Box
* hd1000v: video output module for the Roku HD1000 Set-Top-Box
* headphone_channel_mixer: headphone channel mixer with virtual spatialization effect