Created a CMakeLists.txt for the project - oscar64 can now be built on MacOS/Darwin with cmake

CMakeLists.txt

@@ -0,0 +1,89 @@
+cmake_minimum_required(VERSION 3.15)
+
+# Project name and version
+project(oscar64 VERSION 1.0 LANGUAGES CXX)
+
+# Define the executable
+add_executable(oscar64)
+
+# Add source files
+target_sources(oscar64 PRIVATE
+    oscar64/Assembler.cpp
+    oscar64/ByteCodeGenerator.cpp
+    oscar64/CompilationUnits.cpp
+    oscar64/Compiler.cpp
+    oscar64/Compression.cpp
+    oscar64/Constexpr.cpp
+    oscar64/Declaration.cpp
+    oscar64/Disassembler.cpp
+    oscar64/DiskImage.cpp
+    oscar64/Emulator.cpp
+    oscar64/Errors.cpp
+    oscar64/GlobalAnalyzer.cpp
+    oscar64/GlobalOptimizer.cpp
+    oscar64/Ident.cpp
+    oscar64/InterCode.cpp
+    oscar64/InterCodeGenerator.cpp
+    oscar64/Linker.cpp
+    oscar64/MachineTypes.cpp
+    oscar64/NativeCodeGenerator.cpp
+    oscar64/NativeCodeOutliner.cpp
+    oscar64/NumberSet.cpp
+    oscar64/oscar64.cpp
+    oscar64/Parser.cpp
+    oscar64/Preprocessor.cpp
+    oscar64/Scanner.cpp
+    oscar64/oscar64.rc
+)
+
+# Add header files
+target_include_directories(oscar64 PRIVATE
+    ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+# Compiler settings based on configuration
+set_target_properties(oscar64 PROPERTIES
+    CXX_STANDARD 17
+    CXX_STANDARD_REQUIRED YES
+    CXX_EXTENSIONS NO
+)
+
+# Set debug and release configurations
+target_compile_definitions(oscar64 PRIVATE $<$<CONFIG:Debug>:_DEBUG;_CONSOLE> $<$<CONFIG:Release>:NDEBUG;_CONSOLE>)
+target_compile_options(oscar64 PRIVATE $<$<CONFIG:Debug>:/W3 /WX> $<$<CONFIG:Release>:/O2 /W3>)
+
+# Post-build steps (only for Release builds)
+if(CMAKE_BUILD_TYPE STREQUAL "Release")
+    add_custom_command(TARGET oscar64 POST_BUILD
+        COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:oscar64> ${CMAKE_BINARY_DIR}/bin
+    )
+endif()
+
+if (WIN32)
+    target_link_libraries(oscar64 PRIVATE kernel32 user32 gdi32 winspool comdlg32 advapi32 shell32 ole32 oleaut32 uuid odbc32 odbccp32 version)
+elseif (APPLE)
+    # Add macOS-specific frameworks to replace Windows libraries
+    target_link_libraries(${PROJECT_NAME} 
+        "-framework Cocoa"        # For GUI and application support
+        "-framework CoreFoundation" # For Core Foundation utilities (similar to advapi32 or shell32)
+        "-framework CoreGraphics"  # For graphics and rendering (similar to gdi32)
+        "-framework IOKit"         # For hardware interaction
+        "-framework AppKit"        # For GUI (equivalent to user32)
+    )
+elseif (UNIX)
+    # Add Linux-specific libraries for equivalent functionality
+    target_link_libraries(${PROJECT_NAME} 
+        pthread                    # For threading (similar to kernel32)
+        dl                         # For dynamic library loading (similar to LoadLibrary)
+        m                          # For math library (optional but common on Linux)
+        X11                        # For X Window System (similar to user32 for GUI support)
+    )
+endif()
+
+
+# Output directories
+set_target_properties(oscar64 PROPERTIES
+    RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_BINARY_DIR}/Debug
+    RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_BINARY_DIR}/Release
+)
+