[vorbis] installation trouble

[EdB]

Slackware 7.1/Linux 2.2.16

Downloaded latest tar gz's:  libao, libogg, libvorbis
Proceeded to ./configure | make | make install on each

libao went fine

libogg on the 'make' gives me all 'Nothing to be done' messages

libvorbis on the './configure':
checking for Ogg... no
*** Could not run Ogg test program, checking why...
*** The test program compiled, but did not run. This usually means
*** that the run-time linker is not finding Ogg or finding the wrong
*** version of Ogg. If it is not finding Ogg, you'll need to set your
*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point
*** to the installed location  Also, make sure you have run ldconfig if that
*** is required on your system
***
*** If you have an old version installed, it is best to remove it, although
*** you may also be able to get things to work by modifying LD_LIBRARY_PATH
configure: error: must have Ogg installed!                               
     

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