How I install HTK:
1. Take a look at this install advice.
2. Remove -m32 in configure.ac.
3. ubuntu@ubuntu-desktop:~/Documents/201005/htk$ ./configure
4. ubuntu@ubuntu-desktop:~/Documents/201005/htk$ make
5. ubuntu@ubuntu-desktop:~/Documents/201005/htk$ sudo make install
6. ubuntu@ubuntu-desktop:~/Documents/201005/htk$ sudo apt-get install autoconf
7. ubuntu@ubuntu-desktop:~/Documents/201005/htk$ autoconf
8. ubuntu@ubuntu-desktop:~/Documents/201005/htk$ ./configure
9. ubuntu@ubuntu-desktop:~/Documents/201005/htk$ make all
10. ubuntu@ubuntu-desktop:~/Documents/201005/htk$ sudo make install
11. Control if HTK has been installed by typing HVite into the terminal. HTK seems to be succesfully installed.