Add define that pulls in reporter and listeners interfaces

This allows users to define reporters and listeners in files different
from the main file.

Related to #991, #986

CMakeLists.txt

@@ -138,6 +138,7 @@ set(INTERNAL_HEADERS
         ${HEADER_DIR}/internal/catch_enforce.h
         ${HEADER_DIR}/internal/catch_errno_guard.h
         ${HEADER_DIR}/internal/catch_exception_translator_registry.h
+        ${HEADER_DIR}/internal/catch_external_interfaces.h
         ${HEADER_DIR}/internal/catch_fatal_condition.h
         ${HEADER_DIR}/internal/catch_impl.hpp
         ${HEADER_DIR}/internal/catch_interfaces_capture.h

include/catch.hpp

@@ -19,6 +19,7 @@
 
 #if defined(CATCH_CONFIG_MAIN) || defined(CATCH_CONFIG_RUNNER)
 #  define CATCH_IMPL
+#  define CATCH_CONFIG_EXTERNAL_INTERFACES
 #endif
 
 #ifdef CATCH_IMPL
@@ -52,6 +53,10 @@
 #include "internal/catch_objc.hpp"
 #endif
 
+#ifdef CATCH_CONFIG_EXTERNAL_INTERFACES
+#include "internal/catch_external_interfaces.h"
+#endif
+
 #ifdef CATCH_IMPL
 #include "internal/catch_impl.hpp"
 #endif

include/internal/catch_external_interfaces.h

@@ -0,0 +1,13 @@
+/*
+ *  Created by Martin on 17/08/2017.
+ *
+ *  Distributed under the Boost Software License, Version 1.0. (See accompanying
+ *  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ */
+#ifndef TWOBLUECUBES_CATCH_EXTERNAL_INTERFACES_H
+#define TWOBLUECUBES_CATCH_EXTERNAL_INTERFACES_H
+
+#include "../reporters/catch_reporter_bases.hpp"
+#include "catch_reporter_registrars.hpp"
+
+#endif // TWOBLUECUBES_CATCH_EXTERNAL_INTERFACES_H

include/internal/catch_reporter_registrars.hpp

@@ -1,3 +1,4 @@
+
 /*
  *  Created by Phil on 31/12/2010.
  *  Copyright 2010 Two Blue Cubes Ltd. All rights reserved.
@@ -39,7 +40,7 @@ namespace Catch {
         class ListenerFactory : public IReporterFactory {
 
             virtual IStreamingReporterPtr create( ReporterConfig const& config ) const override {
-                return std::make_shared<T>( config );
+                return std::unique_ptr<T>( new T( config ) );
             }
             virtual std::string getDescription() const override {
                 return std::string();