./configure exits with this error even tho the path to the files exist in the configure file and the libs are present on my box*** The pkg-config script could not be found. Make sure it is
*** in your path, or set the PKG_CONFIG environment variable
*** to the full path to pkg-config.
*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config.
configure: error: Library requirements (libccrtp1 >= 1.3.0) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.

08:08 AM:~/twinkle-0.5 >grep /usr/lib/pkgconfig configure
PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/lib/pkgconfig:/usr/lib/pkgconfig:/usr/lib/qt-3.3.4/lib:/usr/lib

08:08 AM:~/twinkle-0.5 >cat /usr/lib/pkgconfig/libccrtp1.pc
prefix=/usr
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include

Name: libccrtp1
Description: GNU ccRTP core library
Version: 1.3.6
Requires: libccgnu2 >= 1.3.0
Libs:  -lccrtp1
 
08:10 AM:~/twinkle-0.5 >cat /usr/lib/pkgconfig/libccrtp1.pc
prefix=/usr
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include

Name: libccrtp1
Description: GNU ccRTP core library
Version: 1.3.6
Requires: libccgnu2 >= 1.3.0
Libs:  -lccrtp1