$ make
awk: cmd. line:1: /including/ { sub(/^.*file: */, ""); gsub(/\/, "/"); if (!match($0, / /)) print "libavfilter/aeval.o:", $0 }
awk: cmd. line:1:                                                                                                   ^ syntax error
awk: cmd. line:1: /including/ { sub(/^.*file: */, ""); gsub(/\/, "/"); if (!match($0, / /)) print "libavfilter/aeval.o:", $0 }
awk: cmd. line:1:                                                                                                      ^ unterminated string
common.mak:57: recipe for target 'libavfilter/aeval.o' failed
make: *** [libavfilter/aeval.o] Error 1