thanks to Jack for this hint - slock - My fancy fork of slock
  HTML git clone git://git.drkhsh.at/slock.git
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
       ---
   DIR commit 11642443f520a3f7fe6ecfd7411bf18b3f2081d3
   DIR parent e5216380276932d7cd5576bac0ee9255b58d2e17
  HTML Author: arg@mig29 <unknown>
       Date:   Fri,  8 Dec 2006 10:53:35 +0100
       
       thanks to Jack for this hint
       Diffstat:
         M config.mk                           |       2 +-
       
       1 file changed, 1 insertion(+), 1 deletion(-)
       ---
   DIR diff --git a/config.mk b/config.mk
       @@ -21,7 +21,7 @@ LDFLAGS = ${LIBS}
        #LDFLAGS = -g ${LIBS}
        
        # On *BSD remove -DHAVE_SHADOW_H from CFLAGS
       -# On OpenBSD remove -lcrypt from LIBS
       +# On OpenBSD and Darwin remove -lcrypt from LIBS
        
        # compiler and linker
        CC = cc