Find miniupnpc library as well as header

Author: AMDmi3

build/CMakeLists.txt

@@ -357,7 +357,7 @@ if (WITH_BINARY)
   endif ()
 
   if (WITH_UPNP)
-    target_link_libraries("${PROJECT_NAME}" "miniupnpc")
+	  target_link_libraries("${PROJECT_NAME}" "${MINIUPNPC_LIBRARY}")
   endif ()
 
   # FindBoost pulls pthread for thread which is broken for static linking at least on Ubuntu 15.04

build/cmake_modules/FindMiniUPnPc.cmake

@@ -1,6 +1,6 @@
 # - Find MINIUPNPC
 
-if(MINIUPNPC_INCLUDE_DIR)
+if(MINIUPNPC_INCLUDE_DIR AND MINIUPNPC_LIBRARY)
    set(MINIUPNPC_FOUND TRUE)
 
 else()
@@ -11,15 +11,18 @@ else()
       $ENV{SystemDrive}
       ${PROJECT_SOURCE_DIR}/../..
       )
-  
-  if(MINIUPNPC_INCLUDE_DIR)
+
+  find_library(MINIUPNPC_LIBRARY miniupnpc)
+
+  if(MINIUPNPC_INCLUDE_DIR AND MINIUPNPC_LIBRARY)
     set(MINIUPNPC_FOUND TRUE)
     message(STATUS "Found MiniUPnP headers: ${MINIUPNPC_INCLUDE_DIR}")
+    message(STATUS "Found MiniUPnP library: ${MINIUPNPC_LIBRARY}")
   else()
     set(MINIUPNPC_FOUND FALSE)
     message(STATUS "MiniUPnP not found.")
   endif()
 
-  mark_as_advanced(MINIUPNPC_INCLUDE_DIR)
+  mark_as_advanced(MINIUPNPC_INCLUDE_DIR MINIUPNPC_LIBRARY)
 
 endif()