>On Thu, Sep 17, 2015 at 12:51:36PM -0500, rhubarbpie...@gmail.com wrote: >I run simple scripts when building LFS that sound a beep to draw my >attention at completion or errors. Unfortunately, alsa interrupts echo -e >"\a" so I must disable alsa on my host. That works, but there's probably a >better way so I don't lose sound while building LFS. How can I execute >"echo -e "\a" with alsa enabled? > >I've tried snd-pcsp, snd_dummy, and a beep utility without success. I'm >probably missing something simple. How can I sound a beep when building LFS >with alsa enabled? > >Playing a sound file with mpg123 would be an acceptable alternative, which I >do when building BLFS. But how when I'm building LFS? I've tried linking >host programs with no success.
This is a kludge but it might be sufficient until you find a real solution. What you can do is touch a file in the build environment whenever you detect your error condition and use inotifywait to monitor that file from the host environment. While you're building LFS inside the chroot environment, you would touch /tmp/error-alert whenever you hit your error condition. From the host environment you would be running the following loop: while true; do inotifywait $LFS/tmp/error-alert >/dev/null 2>&1; [ $? ] && mpg123 error-sound.wav; done I haven't tested this in a real LFS build environment but I tested it in a simple chroot and a sound would play whenever I touched the file in the chroot. N.B. I had to create the error-alert file before kicking off the while loop. -- http://lists.linuxfromscratch.org/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/blfs/faq.html Unsubscribe: See the above information page Do not top post on this list. A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail? http://en.wikipedia.org/wiki/Posting_style
