I was just compiling an updated version of HTB-tools a few minutes ago then I noticed that either I forgot to make a note about removing a line from q_show.c or the addition of bitops.h is new in the latest version of HTB-tools (0.3.0a). If you don’t remove the following line in q_show.c:
the compilation process will fail with the following error:
sys/q_show.c:40:24: error: asm/bitops.h: No such file or directory
I found this on Google to explain why bitops.h is missing in Fedora Core 6.