[Libvirt-cim] libvirt-cim 0.5.1/configure fails with 'No package 'libvirt' found '

Hi, I am trying to setup libvirt-cim 0.5.1 in RHEL 5.2. After unzipping the tar ball when I run ./configure it fails with checking for LIBVIRT... configure: error: Package requirements (libvirt >= 0.3.2) were not met: No package 'libvirt' found Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables LIBVIRT_CFLAGS and LIBVIRT_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details. I have libvirt 0.3.3 installed in the system. Also I have open pegasus 2.7 installed. Here is relevant rpm queries. [root@pearl2-009002218157 libvirt-cim-0.5.1]# rpm -q libvirt libvirt-0.3.3-7.el5 [root@pearl2-009002218157 libvirt-cim-0.5.1]# rpm -q tog-pegasus tog-pegasus-2.7.0-2.el5 [root@pearl2-009002218157 libvirt-cim-0.5.1]# Any Ideas? Thanks Gopal