s/^GTK_CONFIG =.*/GTK_CONFIG := pkg-config gtk+-2.0/
s/ -Werror / /g
s/^prefix=.*/prefix=\/usr/
s/^gamesdir=.*/gamesdir=$(prefix)\/games/
/\$(CC) \$(.LDFLAGS) -o $@.*\\$/{
:a
N
s/\\\n//
ta
s/\n/ /
s/\(\$(.LDFLAGS) -o $@\) \(.*\)/\2 \1/
}