Welcome to LQ.
If you used plain './configure' for 'eventlog', it installs to /usr/local/.
The "package config file" : /usr/local/lib/pkgconfig/eventlog.pc
To use an eventlog install in /usr/local/, you can do :
Code:
export PKG_CONFIG_LIBDIR=/usr/local/lib/pkgconfig:/usr/lib/pkgconfig/ && ./configure
.