Merge commit 'd7a5a178'

* commit 'd7a5a178':
  configure: When disabling a library disable all the related components
Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>

configure

@@ -1332,20 +1332,39 @@ cp_if_changed(){
 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 # system-dependent things.
 
-COMPONENT_LIST="
+AVCODEC_COMPONENTS="
     bsfs
     decoders
-    demuxers
     encoders
-    filters
     hwaccels
+    parsers
+"
+
+AVDEVICE_COMPONENTS="
     indevs
-    muxers
     outdevs
-    parsers
+"
+AVFILTER_COMPONENTS="
+    filters
+"
+AVFORMAT_COMPONENTS="
+    demuxers
+    muxers
     protocols
 "
 
+AVRESAMPLE_COMPONENTS=""
+AVUTIL_COMPONENTS=""
+
+COMPONENT_LIST="
+    $AVCODEC_COMPONENTS
+    $AVDEVICE_COMPONENTS
+    $AVFILTER_COMPONENTS
+    $AVFORMAT_COMPONENTS
+    $AVRESAMPLE_COMPONENTS
+    $AVUTIL_COMPONENTS
+"
+
 EXAMPLE_LIST="
     avio_reading_example
     avio_dir_cmd_example
@@ -3176,6 +3195,18 @@ done
 
 disabled logging && logfile=/dev/null
 
+# Disable all the library-specific components if the library itself
+# is disabled, see AVCODEC_LIST and following _LIST variables.
+
+disable_components(){
+    disabled ${1} && disable $(
+        eval components="\$$(toupper ${1})_COMPONENTS"
+        map 'eval echo \${$(toupper ${v%s})_LIST}' $components
+    )
+}
+
+map 'disable_components $v' $LIBRARY_LIST
+
 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
 set >> $logfile