Jim Diamond <Jim.Diamond@nospam.AcadiaU.ca> wrote:
> If you look in your /etc/ld.so.conf you will probably see the line
> /usr/local/lib

Yes, it really does make sense to have /usr/local directories searched
first. The directory /usr/local usually contains different kinds of custom
upgrades and addons. If you install a custom library upgrade you want to
use that instead of the default system library.

A program called ldd can be used to see how different binaries link to
dynamic libraries. Example:

$ldd /usr/bin/amixer
libm.so.6 => /lib/libm.so.6 (0x4002d000)
libasound.so.2 => /usr/lib/libasound.so.2 (0x40051000)
libdl.so.2 => /lib/libdl.so.2 (0x400f7000)
libpthread.so.0 => /lib/libpthread.so.0 (0x400fa000)
libc.so.6 => /lib/libc.so.6 (0x4014b000)
/lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)

(The above is on an old Slackware installation).

regards Henrik
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