Link against libpgm/libnorm if found, optional libzmq ldependencies

CMakeLists.txt

@@ -702,6 +702,8 @@ include(version.cmake)
 
 find_path(ZMQ_INCLUDE_PATH zmq.hpp)
 find_library(ZMQ_LIB zmq)
+find_library(PGM_LIBRARY pgm)
+find_library(NORM_LIBRARY norm)
 find_library(SODIUM_LIBRARY sodium)
 
 if(NOT ZMQ_INCLUDE_PATH)
@@ -710,6 +712,12 @@ endif()
 if(NOT ZMQ_LIB)
   message(FATAL_ERROR "Could not find required libzmq")
 endif()
+if(PGM_LIBRARY)
+  set(ZMQ_LIB "${ZMQ_LIB};${PGM_LIBRARY}")
+endif()
+if(NORM_LIBRARY)
+  set(ZMQ_LIB "${ZMQ_LIB};${NORM_LIBRARY}")
+endif()
 if(SODIUM_LIBRARY)
   set(ZMQ_LIB "${ZMQ_LIB};${SODIUM_LIBRARY}")
 endif()