quieten CMake when it can't find packages

CMakeLists.txt

@@ -201,7 +201,7 @@ if(STATIC)
   set(Boost_USE_STATIC_LIBS ON)
   set(Boost_USE_STATIC_RUNTIME ON)
 endif()
-find_package(Boost 1.53 REQUIRED COMPONENTS system filesystem thread date_time chrono regex serialization program_options)
+find_package(Boost 1.53 QUIET REQUIRED COMPONENTS system filesystem thread date_time chrono regex serialization program_options)
 
 if(NOT Boost_FOUND)
    MESSAGE(FATAL_ERROR "${BoldRed}Could not find Boost libraries, please make sure you have installed Boost or libboost-all-dev (1.53 or 1.55+) or the equivalent${ColourReset}")

external/CMakeLists.txt

@@ -35,7 +35,7 @@
 # ...except for FreeBSD, because FreeBSD is a special case that doesn't play well with
 # others.
 
-find_package(MiniUpnpc)
+find_package(MiniUpnpc QUIET)
 
 # FreeBSD doesn't play well with the local copy, so default to using shared
 SET(USE_SHARED_MINIUPNPC true)
@@ -85,14 +85,14 @@ IF(!UNBOUND_INCLUDE_DIR OR STATIC)
   
   INCLUDE(ExternalProject)
   
-  FIND_PACKAGE(OpenSSL REQUIRED)
+  FIND_PACKAGE(OpenSSL QUIET)
   IF(!OPENSSL_LIBRARIES)
     MESSAGE(FATAL_ERROR "${BoldRed}Could not find the openssl library. Please make sure you have installed openssl or libssl-dev or the equivalent${ColourReset}")
   ELSE()
     MESSAGE(STATUS "Found openssl libraries")
   ENDIF()
 
-  FIND_PACKAGE(Expat REQUIRED)
+  FIND_PACKAGE(Expat QUIET)
   IF(!EXPAT_LIBRARIES)
     MESSAGE(FATAL_ERROR "${BoldRed}Could not find the expat library. Please make sure you have installed libexpat or libexpat-dev or the equivalent${ColourReset}")
   ELSE()