Simplifying the shared library compatible global set_default_logger

CMakeLists.txt

@@ -137,7 +137,7 @@ message(STATUS "Build type: " ${CMAKE_BUILD_TYPE})
 # ---------------------------------------------------------------------------------------
 # Static/Shared library (shared not supported in windows yet)
 # ---------------------------------------------------------------------------------------
-set(SPDLOG_SRCS src/spdlog.cpp src/stdout_sinks.cpp src/color_sinks.cpp src/file_sinks.cpp src/registry.cpp src/async.cpp src/cfg.cpp)
+set(SPDLOG_SRCS src/spdlog.cpp src/stdout_sinks.cpp src/color_sinks.cpp src/file_sinks.cpp src/async.cpp src/cfg.cpp)
 
 if(NOT SPDLOG_USE_STD_FORMAT AND NOT SPDLOG_FMT_EXTERNAL AND NOT SPDLOG_FMT_EXTERNAL_HO)
     list(APPEND SPDLOG_SRCS src/fmt.cpp)

include/spdlog/details/registry-inl.h

@@ -289,12 +289,14 @@ SPDLOG_INLINE void registry::set_levels(log_levels levels, level::level_enum *gl
 }
 
 #ifndef SPDLOG_COMPILED_LIB
-SPDLOG_INLINE registry &registry::instance()
+SPDLOG_INLINE
+#endif
+registry &registry::instance()
 {
     static registry s_instance;
     return s_instance;
 }
-#endif
+
 
 SPDLOG_INLINE void registry::throw_if_exists_(const std::string &logger_name)
 {

src/registry.cpp

@@ -1,20 +0,0 @@
-// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
-// Distributed under the MIT License (http://opensource.org/licenses/MIT)
-
-#ifndef SPDLOG_COMPILED_LIB
-#    error Please define SPDLOG_COMPILED_LIB to compile this file.
-#endif
-
-#include <spdlog/details/registry.h>
-
-namespace spdlog {
-namespace details {
-
-registry &registry::instance()
-{
-    static registry s_instance;
-    return s_instance;
-}
-
-}
-}