prefix=/opt/mqtt/openssl
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include

Name: OpenSSL-libcrypto
Description: OpenSSL cryptography library
Version: 1.0.1e
Requires: 
Libs: -L${libdir} -lcrypto
Libs.private: -ldl
Cflags: -I${includedir}