lib/pkgconfig/libssl.pc

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

Name: OpenSSL
Description: Secure Sockets Layer and cryptography libraries
Version: 0.9.8o
Requires:
Libs: -L${libdir} -lssl
Libs.private: -lcrypto -ldl -lz
Cflags: -I${includedir}