diff --git a/CMakeLists.txt b/CMakeLists.txt
index 43eeac514..57468f623 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -456,13 +456,13 @@ install(TARGETS pagmo
 # Setup of the optional deps.
 set(_PAGMO_CONFIG_OPTIONAL_DEPS)
 if(PAGMO_WITH_EIGEN3)
-    set(_PAGMO_CONFIG_OPTIONAL_DEPS "${_PAGMO_CONFIG_OPTIONAL_DEPS}find_package(Eigen3 3.3 REQUIRED NO_MODULE)\n")
+	set(_PAGMO_CONFIG_OPTIONAL_DEPS "${_PAGMO_CONFIG_OPTIONAL_DEPS}find_package(Eigen3 3.3 QUIET REQUIRED NO_MODULE)\n")
 endif()
 if(PAGMO_WITH_NLOPT)
-    set(_PAGMO_CONFIG_OPTIONAL_DEPS "${_PAGMO_CONFIG_OPTIONAL_DEPS}find_package(NLopt 2.6 REQUIRED NO_MODULE)\n")
+	set(_PAGMO_CONFIG_OPTIONAL_DEPS "${_PAGMO_CONFIG_OPTIONAL_DEPS}find_package(NLopt 2.6 QUIET REQUIRED NO_MODULE)\n")
 endif()
 if(PAGMO_WITH_IPOPT)
-    set(_PAGMO_CONFIG_OPTIONAL_DEPS "${_PAGMO_CONFIG_OPTIONAL_DEPS}find_package(pagmo_IPOPT REQUIRED COMPONENTS header)\n")
+    set(_PAGMO_CONFIG_OPTIONAL_DEPS "${_PAGMO_CONFIG_OPTIONAL_DEPS}find_package(pagmo_IPOPT QUIET REQUIRED COMPONENTS header)\n")
 endif()
 
 configure_file("${CMAKE_CURRENT_SOURCE_DIR}/pagmo-config.cmake.in" "${CMAKE_CURRENT_BINARY_DIR}/pagmo-config.cmake" @ONLY)
diff --git a/pagmo-config.cmake.in b/pagmo-config.cmake.in
index 9553fc846..556a48a7c 100644
--- a/pagmo-config.cmake.in
+++ b/pagmo-config.cmake.in
@@ -5,7 +5,7 @@ get_filename_component(_PAGMO_CONFIG_SELF_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
 set(_PAGMO_CONFIG_OLD_MODULE_PATH "${CMAKE_MODULE_PATH}")
 list(APPEND CMAKE_MODULE_PATH "${_PAGMO_CONFIG_SELF_DIR}")
 set(THREADS_PREFER_PTHREAD_FLAG YES)
-find_package(Threads REQUIRED)
+find_package(Threads QUIET REQUIRED)
 unset(THREADS_PREFER_PTHREAD_FLAG)
 include(PagmoFindBoost)
 @_PAGMO_CONFIG_OPTIONAL_DEPS@