cmake_minimum_required(VERSION 3.10)
project(HelloWorld)

set(CMAKE_PREFIX_PATH "C:/Program Files/CMake/bin")

# Enable incremental linking for faster builds
if(MSVC)
    set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
    add_compile_options(/MP)  # Enable parallel builds
    add_compile_options(/Zi)  # Generate debug information
    add_link_options(/DEBUG /INCREMENTAL)  # Enable incremental linking
endif()

# For GCC/Clang, enable incremental build optimizations
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
    add_compile_options(-g -pipe)  # Debug info and faster compilation
    add_link_options(-Wl,--incremental)  # Enable incremental linking
endif()

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# Enable faster compilation for incremental builds
if(MSVC)
    # MSVC specific optimizations
    add_compile_definitions(_CRT_SECURE_NO_WARNINGS)
endif()

add_executable(hello_world main.cpp)        
add_executable(hello_world subfunc.cpp)

# Set output directory for executables
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)

# For Visual Studio generators, also set the output directory specifically
if(MSVC)
    set_target_properties(hello_world PROPERTIES
        RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin
        RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_BINARY_DIR}/bin
        RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_BINARY_DIR}/bin
        VS_DEBUGGER_WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/bin
    )
endif()

# Add dependency tracking for better incremental builds
set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY
    CMAKE_CONFIGURE_DEPENDS
)

# Create a custom target for quick rebuilds
add_custom_target(quick
    COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR} --target hello_world
    COMMENT "Quick build of hello_world target only"
)