Various fixes

- Change vcpkg handling to automatically detect vcpkg via the
VCPKG_TOOLCHAIN variable set by the official toolchain file
- Change names of the function export compiler definitions
- Change default behavior of BUILD_SHARED_LIBS to ON

CMake/BackendsDependencies.cmake

@@ -18,7 +18,7 @@ endfunction()
 if(RMLUI_SAMPLES_BACKEND MATCHES "^SDL")
     # All dependencies are searched as soft dependencies so that they won't error out if the library
     # is declared by other means
-    if(RMLUI_USING_VCPKG)
+    if(VCPKG_TOOLCHAIN)
         # vcpkg uses a different name for their SDL find module and target than the official CMake one
         find_package("SDL2")
 

CMakeLists.txt

@@ -22,8 +22,7 @@ option(RMLUI_ENABLE_LOTTIE_PLUGIN "Enable plugin for Lottie animations. Requires
 option(RMLUI_ENABLE_SVG_PLUGIN "Enable plugin for SVG images. Requires the lunasvg library." OFF)
 option(RMLUI_BUILD_SAMPLES "Build samples of the library." OFF)
 set(RMLUI_SAMPLES_BACKEND "GLFW_GL3" CACHE STRING "Backend to use when building the RmlUi samples. Choose one from ./CMake/Backends.cmake.")
-option(BUILD_SHARED_LIBS "CMake standard option. Choose whether to build RmlUi and RmlUi's debugger as shared libraries." OFF)
-option(RMLUI_USING_VCPKG "If true, the CMake project will adapt its behavior to accept third-party dependencies from vcpkg." OFF)
+option(BUILD_SHARED_LIBS "CMake standard option. Choose whether to build RmlUi and RmlUi's debugger as shared libraries." ON)
 
 # Add custom CMake modules path for external dependencies
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake/Modules")

Include/RmlUi/Core/Header.h

@@ -36,7 +36,7 @@
 
 #if !defined RMLUI_STATIC_LIB
 	#if defined RMLUI_PLATFORM_WIN32
-		#if defined RMLUICORE_EXPORTS
+		#if defined RMLUI_CORE_EXPORTS
 			#define RMLUICORE_API __declspec(dllexport)
 			// Note: Changing a RMLUICORE_API_INLINE method
 			// breaks ABI compatibility!!

Include/RmlUi/Debugger/Header.h

@@ -33,7 +33,7 @@
 
 #if !defined RMLUI_STATIC_LIB
 	#ifdef RMLUI_PLATFORM_WIN32
-		#ifdef RMLUIDEBUGGER_EXPORTS
+		#ifdef RMLUI_DEBUGGER_EXPORTS
 			#define RMLUIDEBUGGER_API __declspec(dllexport)
 		#else
 			#define RMLUIDEBUGGER_API __declspec(dllimport)

Source/Core/CMakeLists.txt

@@ -372,7 +372,7 @@ elseif(rmlui_core_TYPE STREQUAL "SHARED_LIBRARY")
     # If RmlUi is being compiled as a shared library, notify code to export functions using __dllspec()
     # For applications consuming the library, the headers will automatically use dllimport
     # Platform and compiler handling is already done by code via pre-processor macros
-    target_compile_definitions(rmlui_core PRIVATE "RMLUICORE_EXPORTS")
+    target_compile_definitions(rmlui_core PRIVATE "RMLUI_CORE_EXPORTS")
 endif()
 
 # Negotiate usage of the default font engine

Source/Debugger/CMakeLists.txt

@@ -65,7 +65,7 @@ if(rmlui_debugger_TYPE STREQUAL "SHARED_LIBRARY")
     # If RmlUi debugger is being compiled as a shared library, notify code to export functions using __dllspec()
     # For applications consuming the library, the headers will automatically use dllimport
     # Platform and compiler handling is already done by code via pre-processor macros
-    target_compile_definitions(rmlui_debugger PRIVATE "RMLUIDEBUGGER_EXPORTS")
+    target_compile_definitions(rmlui_debugger PRIVATE "RMLUI_DEBUGGER_EXPORTS")
 endif()
 
 # Set additional target properties