gcc -march=native -O2 -pipe -I/usr/include -Dlinux -D__amd64___POSIX_C_SOURCE=199309L gcc -o wmclock -Wl,-O1 -Wl,--as-needed -Wl,--hash-style=gnu dynlist.o wmclock.o -L/usr/lib/X11 -lXpm -lXext -lX11
Thanks, fixed (1.0.12.2 also had the problem)