#! perl -lw
$outdir='.';
while(<STDIN>){
    chomp;
    if (/Missing C librar(y|ies): (.*)/){
        $a=$2;
        die if@F;
        while(/,$/){
            $_=<STDIN>;
            chomp;
            print STDERR "extra line $_";
            $a.=$_;
        }
        #print STDERR "a=$a";
        @F=split /\s*,\s*/,$a;
    }
    if (/ROOT FAILURE/){
        next unless @F;
        print "# $_";
        for(@F){
            die "weird library $_" unless /^[A-Za-z0-9_.-]+$/;
            ($re=$_)=~s/\./\\./g;
            # prefix pc because reuse pkgconfig-phase3.pl
            print "apt-file search -x 'lib$re\\.so\$' | grep '/lib$re' >> $outdir/pc-$_.out || true";
        }
        undef@F;
    }
}