Various CMakeLists improvements

CMakeLists.txt

@@ -9,6 +9,14 @@ enable_language(CXX)
 set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_VISIBILITY_PRESET hidden)
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+
+if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+	set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build (Debug, Release, RelWithDebInfo, MinSizeRel)" FORCE)
+endif()
+
+set(NOVA_SANITIZERS "" CACHE STRING "Sanitizers to enable (address, undefined, leak)")
+set(NOVA_WERROR OFF CACHE BOOL "Treat compiler warnings as errors")
 
 add_compile_definitions(
 	NOVA_VERSION_MAJOR=${PROJECT_VERSION_MAJOR}
@@ -21,32 +29,47 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
 		/W4
 		/permissive-
 		/EHsc
+		$<$<BOOL:${NOVA_WERROR}>:/WX>
 	)
-	add_compile_definitions(
-		NOVA_COMPILER_MSVC
-	)
-elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+
+	if (NOVA_SANITIZERS)
+		string(REPLACE "," ";" SANITIZERS ${NOVA_SANITIZERS})
+		foreach(sanitizer IN LISTS SANITIZERS)
+			add_compile_options(/fsanitize=${sanitizer})
+		endforeach()
+	endif()
+
+	add_compile_definitions(NOVA_COMPILER_MSVC)
+elseif (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
 	add_compile_options(
 		-Wall
 		-Wextra
 		-Wpedantic
 		-Wshadow
 		-Wold-style-cast
+		$<$<BOOL:${NOVA_WERROR}>:-Werror>
 	)
-	if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
-		add_compile_definitions(
-			NOVA_COMPILER_GCC
-		)
-	else()
-		add_compile_definitions(
-			NOVA_COMPILER_CLANG
-		)
-	endif()
-else()
-	error("Unsupported compiler")
+
+	if (NOVA_SANITIZERS)
+		add_compile_options(-fsanitize=${NOVA_SANITIZERS})
+		add_link_options(-fsanitize=${NOVA_SANITIZERS})
 	endif()
 
-if (WIN32)
+	if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+		add_compile_definitions(NOVA_COMPILER_GCC)
+	elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+		add_compile_definitions(NOVA_COMPILER_CLANG)
+	elseif (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
+		add_compile_definitions(
+			NOVA_COMPILER_CLANG
+			NOVA_COMPILER_APPLE_CLANG
+		)
+	endif()
+else()
+	message(FATAL_ERROR "Unsupported compiler")
+endif()
+
+if (CMAKE_SYSTEM_NAME STREQUAL "Windows")
 	add_compile_definitions(
 		NOVA_PLATFORM_WINDOWS
 		NOMINMAX
@@ -54,16 +77,12 @@ if (WIN32)
 		_CRT_SECURE_NO_WARNINGS
 		_CRT_NONSTDC_NO_WARNINGS
 	)
-elseif (APPLE)
-	add_compile_definitions(
-		NOVA_PLATFORM_MACOS
-	)
-elseif (UNIX)
-	add_compile_definitions(
-		NOVA_PLATFORM_LINUX
-	)
+elseif (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
+	add_compile_definitions(NOVA_PLATFORM_MACOS)
+elseif (CMAKE_SYSTEM_NAME STREQUAL "Linux")
+	add_compile_definitions(NOVA_PLATFORM_LINUX)
 else()
-	error("Unsupported platform")
+	message(FATAL_ERROR "Unsupported platform")
 endif()
 
 add_subdirectory(engine)