prefix=/usr/local
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include/nspr

Name: NSPR
Description: The Netscape Portable Runtime
Version: 4.6.7
Libs: -L${libdir} -lplds4 -lplc4 -lnspr4 -pthreads -ldl 
Cflags: -I${includedir}