diff --git a/ext/tmxlite/CMakeLists.txt b/ext/tmxlite/CMakeLists.txt
index b648a74..4db2f36 100644
--- a/ext/tmxlite/CMakeLists.txt
+++ b/ext/tmxlite/CMakeLists.txt
@@ -1,40 +1,28 @@
 project(tmxlite VERSION 1.3.1)
 
-set(USE_RTTI TRUE CACHE BOOL "Use run time type information?")
-
 # includes the list of source files in the src directory
 set(PROJECT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/src)
 file(GLOB PROJECT_SRC            ${PROJECT_DIR}/*.cpp)
-file(GLOB PROJECT_HEADERS        ${CMAKE_CURRENT_SOURCE_DIR}/include/*.hpp)
-file(GLOB PROJECT_HEADERS_INL    ${CMAKE_CURRENT_SOURCE_DIR}/include/*.inl)
-file(GLOB PROJECT_HEADERS_DETAIL ${CMAKE_CURRENT_SOURCE_DIR}/include/detail/*.hpp)
-set(PROJECT_SRC ${PROJECT_SRC} ${PROJECT_HEADERS} ${PROJECT_HEADERS_INL} ${PROJECT_HEADERS_DETAIL})
+file(GLOB PROJECT_HEADERS        ${CMAKE_CURRENT_SOURCE_DIR}/include/tmxlite/*.hpp)
+file(GLOB PROJECT_HEADERS_INL    ${CMAKE_CURRENT_SOURCE_DIR}/include/tmxlite/*.inl)
+file(GLOB PROJECT_HEADERS_DETAIL ${CMAKE_CURRENT_SOURCE_DIR}/include/tmxlite/detail/*.hpp)
+list(APPEND PROJECT_SRC ${PROJECT_HEADERS} ${PROJECT_HEADERS_INL} ${PROJECT_HEADERS_DETAIL})
 
-add_library(tmxlite STATIC ${PROJECT_SRC})
+add_library(${PROJECT_NAME} STATIC ${PROJECT_SRC})
 
-set_target_properties(tmxlite PROPERTIES
+set_target_properties(${PROJECT_NAME} PROPERTIES
 	CXX_STANDARD 14
 	CXX_STANDARD_REQUIRED ON)
 
-target_compile_definitions(tmxlite PRIVATE $<$<CONFIG:Debug>:_DEBUG_> TMXLITE_STATIC)
-target_compile_options(tmxlite PRIVATE -Wall)
-if (NOT USE_RTTI AND CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang|AppleClang")
-	target_compile_options(tmxlite PRIVATE -fno-rtti)
-endif()
+target_include_directories(${PROJECT_NAME} PUBLIC
+	${CMAKE_CURRENT_SOURCE_DIR}/include)
 
-# disable msvc warning
-if (MSVC)
-	target_compile_definitions(tmxlite PRIVATE _CRT_SECURE_NO_WARNINGS)
-endif()
+target_compile_options(${PROJECT_NAME} PRIVATE -Wall)
 
-target_compile_definitions(tmxlite PRIVATE USE_ZSTD)
-target_link_libraries(tmxlite base64::base64 pugixml Zstd::Zstd)
+target_compile_definitions(${PROJECT_NAME} PRIVATE
+	$<$<BOOL:${MSVC}>:_CRT_SECURE_NO_WARNINGS>  # disable msvc warning
+	$<$<TARGET_EXISTS:ZLIB::ZLIB>:USE_ZLIB>)
 
-if (USE_ZLIB)
-	target_compile_definitions(tmxlite PRIVATE USE_ZLIB)
-	target_link_libraries(tmxlite ZLIB::ZLIB)
-else()
-	target_link_libraries(tmxlite miniz::miniz)
-endif()
-
-target_include_directories(tmxlite PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include)
+target_link_libraries(${PROJECT_NAME} base64::base64 pugixml Zstd::Zstd
+	$<$<TARGET_EXISTS:ZLIB::ZLIB>:ZLIB::ZLIB>
+	$<$<TARGET_EXISTS:miniz::miniz>:miniz::miniz>)
diff --git a/ext/tmxlite/include/tmxlite/Config.hpp b/ext/tmxlite/include/tmxlite/Config.hpp
index 84c4945..fe05dec 100644
--- a/ext/tmxlite/include/tmxlite/Config.hpp
+++ b/ext/tmxlite/include/tmxlite/Config.hpp
@@ -27,38 +27,5 @@ source distribution.
 
 #pragma once
 
-//check which platform we're on and create export macros as necessary
-#if !defined(TMXLITE_STATIC)
-
-#if defined(_WIN32)
-
-//windows compilers need specific (and different) keywords for export
-#define TMXLITE_EXPORT_API __declspec(dllexport)
-
-//for vc compilers we also need to turn off this annoying C4251 warning
-#ifdef _MSC_VER
-#pragma warning(disable: 4251)
-#endif //_MSC_VER
-
-#else //linux, FreeBSD, Mac OS X
-
-#if __GNUC__ >= 4
-
-//gcc 4 has special keywords for showing/hiding symbols,
-//the same keyword is used for both importing and exporting
-#define TMXLITE_EXPORT_API __attribute__ ((__visibility__ ("default")))
-
-#else
-
-//gcc < 4 has no mechanism to explicitly hide symbols, everything's exported
-#define TMXLITE_EXPORT_API
-#endif //__GNUC__
-
-#endif //_WIN32
-
-#else
-
 //static build doesn't need import/export macros
 #define TMXLITE_EXPORT_API
-
-#endif //TMXLITE_STATIC
\ No newline at end of file
diff --git a/ext/tmxlite/include/tmxlite/detail/Log.hpp b/ext/tmxlite/include/tmxlite/detail/Log.hpp
index c2b1586..c094cf2 100644
--- a/ext/tmxlite/include/tmxlite/detail/Log.hpp
+++ b/ext/tmxlite/include/tmxlite/detail/Log.hpp
@@ -178,13 +178,13 @@ namespace tmx
         }
     };
 }
-#ifndef _DEBUG_
+#ifdef NDEBUG
 #define LOG(message, type)
 #else
 #define LOG(message, type) {\
 std::stringstream ss; \
 ss << message << " (" << __FILE__ << ", " << __LINE__ << ")"; \
 tmx::Logger::log(ss.str(), type);}
-#endif //_DEBUG_
+#endif //NDEBUG
 
-#endif //TMXLITE_LOGGER_HPP_
\ No newline at end of file
+#endif //TMXLITE_LOGGER_HPP_
diff --git a/ext/tmxlite/src/TileLayer.cpp b/ext/tmxlite/src/TileLayer.cpp
index 52487a6..cf7c8e7 100644
--- a/ext/tmxlite/src/TileLayer.cpp
+++ b/ext/tmxlite/src/TileLayer.cpp
@@ -26,9 +26,7 @@ source distribution.
 *********************************************************************/
 
 #include <pugixml.hpp>
-#ifdef USE_ZSTD
-# include <zstd.h>
-#endif
+#include <zstd.h>
 #include "base64.h"
 #include "tmxlite/FreeFuncs.hpp"
 #include "tmxlite/TileLayer.hpp"
@@ -128,7 +126,6 @@ void TileLayer::parseBase64(const pugi::xml_node& node)
             byteData.insert(byteData.end(), dataString.begin(), dataString.end());
             break;
         case CompressionType::Zstd:
-#if defined USE_ZSTD
             {
                 std::size_t dataSize = dataString.length() * sizeof(unsigned char);
                 std::size_t result = ZSTD_decompress(byteData.data(), expectedSize, &dataString[0], dataSize);
@@ -140,10 +137,6 @@ void TileLayer::parseBase64(const pugi::xml_node& node)
                 }
             }
             break;
-#else
-            Logger::log("Library must be built with USE_ZSTD for Zstd compression", Logger::Type::Error);
-            return {};
-#endif
         case CompressionType::GZip:
 #ifndef USE_ZLIB
             Logger::log("Library must be built with USE_ZLIB for GZip compression", Logger::Type::Error);