Fix openssl linking on cmake.

Thanks to notpeelz.

apps/mosquitto_ctrl/CMakeLists.txt

@@ -43,7 +43,7 @@ if (WITH_TLS AND CJSON_FOUND)
 		endif (APPLE)
 	endif (UNIX)
 
-	target_link_libraries(mosquitto_ctrl ${OPENSSL_LIBRARIES} ${CJSON_LIBRARIES})
+	target_link_libraries(mosquitto_ctrl OpenSSL::SSL ${CJSON_LIBRARIES})
 
 	install(TARGETS mosquitto_ctrl RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
 endif (WITH_TLS AND CJSON_FOUND)

apps/mosquitto_passwd/CMakeLists.txt

@@ -13,6 +13,6 @@ if (WITH_TLS)
 		)
 
 
-	target_link_libraries(mosquitto_passwd ${OPENSSL_LIBRARIES})
+	target_link_libraries(mosquitto_passwd OpenSSL::SSL)
 	install(TARGETS mosquitto_passwd RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
 endif (WITH_TLS)

lib/CMakeLists.txt

@@ -60,7 +60,7 @@ set(C_SRC
 	util_mosq.c util_topic.c util_mosq.h
 	will_mosq.c will_mosq.h)
 
-set (LIBRARIES ${OPENSSL_LIBRARIES})
+set (LIBRARIES OpenSSL::SSL)
 
 if (UNIX AND NOT APPLE AND NOT ANDROID)
 	find_library(LIBRT rt)

plugins/dynamic-security/CMakeLists.txt

@@ -32,7 +32,7 @@ if (CJSON_FOUND AND WITH_TLS)
 	)
 	set_target_properties(mosquitto_dynamic_security PROPERTIES PREFIX "")
 
-	target_link_libraries(mosquitto_dynamic_security ${CJSON_LIBRARIES} ${OPENSSL_LIBRARIES})
+	target_link_libraries(mosquitto_dynamic_security ${CJSON_LIBRARIES} OpenSSL::SSL)
 	if(WIN32)
 		target_link_libraries(mosquitto_dynamic_security mosquitto)
 		install(TARGETS mosquitto_dynamic_security

src/CMakeLists.txt

@@ -157,7 +157,7 @@ if (WITH_DLT)
     set (MOSQ_LIBS ${MOSQ_LIBS} ${DLT_LIBRARIES})
 endif (WITH_DLT)
 
-set (MOSQ_LIBS ${MOSQ_LIBS} ${OPENSSL_LIBRARIES})
+set (MOSQ_LIBS ${MOSQ_LIBS} OpenSSL::SSL)
 # Check for getaddrinfo_a
 include(CheckLibraryExists)
 check_library_exists(anl getaddrinfo_a  "" HAVE_GETADDRINFO_A)