Update CMakeLists.txt

Author: MaJerle

CMakeLists.txt

@@ -3,50 +3,44 @@ cmake_minimum_required(VERSION 3.22)
 # Setup project
 project(LwLibPROJECT)
 
-# -------------------------------------------------
-# This CMakeLists.txt is used only if it is a top-level file.
-# Purpose of it is to be able to compile project in standalone way only
-#
-# When library sources are to be included in another project
-# user shall use /lwmem/CMakeLists.txt instead
-if (NOT PROJECT_IS_TOP_LEVEL)
-    message(FATAL_ERROR "This CMakeLists.txt can only be used as top-level. Use /lwmem/CMakeLists.txt for library include purpose")
+if(NOT PROJECT_IS_TOP_LEVEL)
+    add_subdirectory(lwmem)
+else()
+    # Set as executable
+    add_executable(${PROJECT_NAME})
+
+    # Add key executable block
+    target_sources(${PROJECT_NAME} PUBLIC
+        ${CMAKE_CURRENT_LIST_DIR}/dev/main.cpp
+        ${CMAKE_CURRENT_LIST_DIR}/tests/lwmem_test.c
+
+        # win32 port
+        ${CMAKE_CURRENT_LIST_DIR}/lwmem/src/system/lwmem_sys_win32.c
+    )
+
+    # Add key include paths
+    target_include_directories(${PROJECT_NAME} PUBLIC
+        ${CMAKE_CURRENT_LIST_DIR}
+        ${CMAKE_CURRENT_LIST_DIR}/dev
+    )
+
+    # Compilation definition information
+    target_compile_definitions(${PROJECT_NAME} PUBLIC
+        WIN32
+        _DEBUG
+        CONSOLE
+        LWMEM_DEV
+    )
+
+    # Compiler options
+    target_compile_options(${PROJECT_NAME} PRIVATE
+        -Wall
+        -Wextra
+        -Wpedantic
+    )
+
+    # Add subdir with lwmem and link to the project
+    add_subdirectory(lwmem)
+    target_link_libraries(${PROJECT_NAME} lwmem)
+    target_link_libraries(${PROJECT_NAME} lwmem_cpp)
 endif()
-
-# Set as executable
-add_executable(${PROJECT_NAME})
-
-# Add key executable block
-target_sources(${PROJECT_NAME} PUBLIC
-    ${CMAKE_CURRENT_LIST_DIR}/dev/main.cpp
-    ${CMAKE_CURRENT_LIST_DIR}/tests/lwmem_test.c
-
-    # win32 port
-    ${CMAKE_CURRENT_LIST_DIR}/lwmem/src/system/lwmem_sys_win32.c
-)
-
-# Add key include paths
-target_include_directories(${PROJECT_NAME} PUBLIC
-    ${CMAKE_CURRENT_LIST_DIR}
-    ${CMAKE_CURRENT_LIST_DIR}/dev
-)
-
-# Compilation definition information
-target_compile_definitions(${PROJECT_NAME} PUBLIC
-    WIN32
-    _DEBUG
-    CONSOLE
-    LWMEM_DEV
-)
-
-# Compiler options
-target_compile_options(${PROJECT_NAME} PRIVATE
-    -Wall
-    -Wextra
-    -Wpedantic
-)
-
-# Add subdir with lwmem and link to the project
-add_subdirectory("lwmem")
-target_link_libraries(${PROJECT_NAME} lwmem)
-target_link_libraries(${PROJECT_NAME} lwmem_cpp)