In article <Pine.LNX.4.63.0605120523090.7386 at techlab.cviatlanta.org>, Joshua Lambert <josh at techlab.cviatlanta.org> wrote: > Here's how I compiled espeak on slackware 10.2 > get portaudio, configure, make , make install > Get espeak, untar, then edit the makefile, adding > -lpthread > to the lflags line > save and run make again. eSpeak doesn't use the pthread library, but it looks like portaudio does. On my Debian based system, portaudio has a dependency on the "libc6" package (the standard GNU Shared C Library) which includes among its components the "libpthread" library (actually libpthread-2.3.5.so).