-CONFIG_FOOBAR_FILTER=yes from the config.mak is later used to enable the filter in
-libavfilter/Makefile and CONFIG_FOOBAR_FILTER=1 from the config.h will be used
-for registering the filter in libavfilter/allfilters.c.
+CONFIG_FOOBAR_FILTER=yes from the ffbuild/config.mak is later used to enable
+the filter in libavfilter/Makefile and CONFIG_FOOBAR_FILTER=1 from the config.h
+will be used for registering the filter in libavfilter/allfilters.c.