Moving on to v5.

Author: kyle-github

CMakeLists.txt

@@ -0,0 +1,90 @@
+cmake_minimum_required(VERSION 3.16)
+project(ProtocolToolkit 
+    VERSION 1.0.0
+    DESCRIPTION "Protocol Toolkit - Event-driven framework for industrial network protocols"
+    LANGUAGES C
+)
+
+# Set C standard
+set(CMAKE_C_STANDARD 99)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+
+# Determine if this is the root project or a submodule
+set(PTK_IS_ROOT_PROJECT OFF)
+if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
+    set(PTK_IS_ROOT_PROJECT ON)
+endif()
+
+# Configure output directories to build/ (only when root project)
+if(PTK_IS_ROOT_PROJECT)
+    set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+    set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+    set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+endif()
+
+# Configure object file output
+set(CMAKE_OBJECT_PATH_MAX 260)
+
+# Compiler flags
+if(CMAKE_C_COMPILER_ID MATCHES "Clang|GNU")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wpedantic")
+    set(CMAKE_C_FLAGS_DEBUG "-g -O0 -DDEBUG")
+    set(CMAKE_C_FLAGS_RELEASE "-O2 -DNDEBUG")
+endif()
+
+# Build options (only available when root project)
+if(PTK_IS_ROOT_PROJECT)
+    option(PTK_BUILD_EXAMPLES "Build example programs" ON)
+    option(PTK_BUILD_TESTS "Build test programs" ON)
+else()
+    # When used as submodule, always OFF
+    set(PTK_BUILD_EXAMPLES OFF)
+    set(PTK_BUILD_TESTS OFF)
+endif()
+
+option(ENABLE_MACOS "Build macOS kevent implementation" ON)# Platform detection
+if(APPLE AND ENABLE_MACOS)
+    set(PLATFORM_DIR "macos")
+    set(PLATFORM_NAME "macOS")
+else()
+    message(FATAL_ERROR "No supported platform implementation available")
+endif()
+
+# Include the platform-specific implementation
+add_subdirectory(${PLATFORM_DIR})
+
+# Build examples if requested (only when root project)
+if(PTK_IS_ROOT_PROJECT AND PTK_BUILD_EXAMPLES)
+    add_subdirectory(examples)
+endif()
+
+# Build tests if requested (only when root project)
+if(PTK_IS_ROOT_PROJECT AND PTK_BUILD_TESTS)
+    enable_testing()
+    add_subdirectory(tests)
+endif()
+
+# Print configuration summary (only when root project)
+if(PTK_IS_ROOT_PROJECT)
+    message(STATUS "")
+    message(STATUS "Protocol Toolkit Configuration:")
+    message(STATUS "  Version: ${PROJECT_VERSION}")
+    message(STATUS "  Platform: ${PLATFORM_NAME}")
+    message(STATUS "  Build type: ${CMAKE_BUILD_TYPE}")
+    message(STATUS "  C Compiler: ${CMAKE_C_COMPILER_ID} ${CMAKE_C_COMPILER_VERSION}")
+    message(STATUS "  C Flags: ${CMAKE_C_FLAGS}")
+    if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+        message(STATUS "  Debug flags: ${CMAKE_C_FLAGS_DEBUG}")
+    elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
+        message(STATUS "  Release flags: ${CMAKE_C_FLAGS_RELEASE}")
+    endif()
+    message(STATUS "  Install prefix: ${CMAKE_INSTALL_PREFIX}")
+    message(STATUS "  Build examples: ${PTK_BUILD_EXAMPLES}")
+    message(STATUS "  Build tests: ${PTK_BUILD_TESTS}")
+    message(STATUS "  Output directories:")
+    message(STATUS "    Binaries: ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}")
+    message(STATUS "    Libraries: ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}")
+    message(STATUS "")
+else()
+    message(STATUS "Protocol Toolkit: Building as submodule (library only)")
+endif()