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# 86Box A hypervisor and IBM PC system emulator that specializes in

# running old operating systems and software designed for IBM

# PC systems and compatibles from 1981 through fairly recent

# system designs based on the PCI bus.

# This file is part of the 86Box distribution.

# CMake build script.

# Authors: David Hrdlička, <[email protected]>

cmake_minimum_required(VERSION 3.16)

cmake_policy(SET CMP0091 NEW)

cmake_policy(SET CMP0079 NEW)

list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

set(CMAKE_C_STANDARD 11)

set(CMAKE_CXX_STANDARD 17)

set(CMAKE_FIND_PACKAGE_PREFER_CONFIG ON)

set(CMAKE_CONFIGURATION_TYPES "Debug;Release;UltraDebug;Optimized" CACHE STRING "")

if(NOT DEFINED QT OR QT)

list(APPEND VCPKG_MANIFEST_FEATURES "qt-ui")

endif()

if(NOT DEFINED OPENAL OR OPENAL)

list(APPEND VCPKG_MANIFEST_FEATURES "openal")

endif()

if(MUNT_EXTERNAL)

list(APPEND VCPKG_MANIFEST_FEATURES "munt")

endif()

project(86Box

VERSION 7.0

DESCRIPTION "Emulator of x86-based systems"

HOMEPAGE_URL "https://86box.net"

LANGUAGES C CXX)

if (NOT (CMAKE_SIZEOF_VOID_P STREQUAL "8"))

message(FATAL_ERROR "Only 64-bit builds are supported.")

endif()

if (CMAKE_C_BYTE_ORDER STREQUAL "BIG_ENDIAN")

message(FATAL_ERROR "Big-endian builds are not supported.")

endif()

# Make the build directory ignore itself in git, regardless of its name

if(NOT CMAKE_BINARY_DIR STREQUAL CMAKE_SOURCE_DIR AND NOT EXISTS "${CMAKE_BINARY_DIR}/.gitignore")

file(WRITE "${CMAKE_BINARY_DIR}/.gitignore" "*\n")

endif()

include(CPack)

include(CMakeDependentOption)

include(FetchContent)

# Basic build options

if(VCPKG_TOOLCHAIN)

# For vcpkg builds we have to respect the linking method used by the

# specified triplet.

set(NO_STATIC_OPTION ON)

if(VCPKG_TARGET_TRIPLET MATCHES "-static$")

# `-static` triplet, use static linking

set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")

set(STATIC_BUILD ON)

elseif(VCPKG_TARGET_TRIPLET MATCHES "-static-md$")

# `-static-md` triplet, use static linking with dynamic CRT

set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")

set(STATIC_BUILD ON)

else()

# Regular triplet, use dynamic linking

set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")

set(STATIC_BUILD OFF)

endif()

# `vcpkg.json` defaults to Qt6

set(USE_QT6 ON)

endif()

if(WIN32)

# Prefer static builds on Windows

set(PREFER_STATIC ON)

# Default value for the `WIN32` target property, which specifies whether

# to build the application for the Windows GUI or console subsystem

option(CMAKE_WIN32_EXECUTABLE "Build a Windows GUI executable" ON)

else()

# Prefer dynamic builds everywhere else

set(PREFER_STATIC OFF)

endif()

if(APPLE)

option(CMAKE_MACOSX_BUNDLE "Build a macOS bundle (.app)" ON)

endif()

if(NOT NO_STATIC_OPTION)

if(PREFER_STATIC)

option(STATIC_BUILD "Static build" ON)

else()

option(STATIC_BUILD "Static build" OFF)

endif()

if(HAIKU)

set(OPENAL ON)

endif()

include(DetectTargetArch)

include(CompilerFlags)

# Optional features

# Option Description Def.

# ------ ----------- ----

option(RELEASE "Release build" OFF)

option(DYNAREC "Dynamic recompiler" ON)

option(OPENAL "OpenAL" ON)

option(RTMIDI "RtMidi" ON)

option(FLUIDSYNTH "FluidSynth" ON)

option(MUNT "MUNT" ON)

option(SOUNDCANVAS "Sound Canvas (CLAP)" ON)

option(VNC "VNC renderer" OFF)

option(MINITRACE "Enable Chrome tracing using the modified minitrace library" OFF)

option(GDBSTUB "Enable GDB stub server for debugging" OFF)

option(AUTOMATION "Enable the automation control socket" OFF)

option(DISASM "Disassembler in the memory viewer (Zydis)" ON)

option(DEV_BRANCH "Development branch" OFF)

option(DISCORD "Discord Rich Presence support" ON)

option(ENABLE_MODEM_LOG "Enable modem logging" OFF)

option(ENABLE_MODEM_DEBUG "Enable detailed modem logging (requires ENABLE_MODEM_LOG)" OFF)

option(ENABLE_MODEM_ADVANCED_CONFIG "Show advanced modem configuration options" OFF)

option(ENABLE_MODEM_IPV6 "Enable IPv6 over the emulated modem (incomplete)" OFF)

option(ENABLE_VSERVER_WINS "Enable WINS in the virtual network server" OFF)

option(ENABLE_VSERVER_SMB "Enable SMB in the virtual network server (implies ENABLE_VSERVER_WINS)" OFF)

option(ENABLE_VSERVER_NETBEUI "Enable NetBEUI access to the virtual server over PPP and Ethernet (implies ENABLE_VSERVER_SMB)" OFF)

option(ENABLE_VSERVER_IPX "Enable IPX access to the virtual server over PPP and Ethernet (implies ENABLE_VSERVER_SMB)" OFF)

option(ENABLE_VSERVER_PPTP "Enable the virtual server's PPTP VPN endpoint (implies ENABLE_VSERVER_SMB)" OFF)

option(ENABLE_VSERVER_FTP "Enable the read-only FTP server in the virtual network server" OFF)

option(ENABLE_VSERVER_TFTP "Enable the read-only TFTP server in the virtual network server" OFF)

option(ENABLE_VSERVER_RARP "Enable RARP replies for the SLiRP guest network adapter" OFF)

option(ENABLE_VSERVER_BOOTP "Enable legacy BOOTP client compatibility in SLiRP DHCP" OFF)

option(ENABLE_MODEM_RAW_CAPTURE "Log raw modem serial traffic and probe state (requires ENABLE_MODEM_LOG)" OFF)

if(ENABLE_MODEM_DEBUG AND NOT ENABLE_MODEM_LOG)

message(FATAL_ERROR "ENABLE_MODEM_DEBUG requires ENABLE_MODEM_LOG")

endif()

if(ENABLE_MODEM_RAW_CAPTURE AND NOT ENABLE_MODEM_LOG)

message(FATAL_ERROR "ENABLE_MODEM_RAW_CAPTURE requires ENABLE_MODEM_LOG")

endif()

option(LIBASAN "Enable compilation with the addresss sanitizer" OFF)

option(QT "Use the Qt-based user interface" ON)

option(SDL2 "Use SDL2 instead of SDL3" OFF)

option(BUILD_TESTING "Build the unit test suite" OFF)

option(BUILD_BENCHMARKS "Build performance benchmarks" OFF)

if(BUILD_TESTING)

enable_testing()

find_package(GTest CONFIG REQUIRED)

endif()

if(BUILD_BENCHMARKS)

find_package(benchmark CONFIG REQUIRED)

endif()

if(BUILD_TESTING OR BUILD_BENCHMARKS)

add_subdirectory(tests)

endif()

if(CMAKE_SYSTEM_NAME STREQUAL "NetBSD")

option(AUDIO4 "Use audio(4) as sound backend" ON)

else()

set(AUDIO4 OFF)

endif()

if(CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")

option(SNDIO "Use sndio as sound backend" ON)

else()

set(SNDIO OFF)

endif()

if(WIN32)

option(CPPTHREADS "C++11 threads" OFF)

else()

option(CPPTHREADS "C++11 threads" ON)

endif()

if(WIN32 AND NOT QT)

# Force console subsystem when building the SDL frontend

set(CMAKE_WIN32_EXECUTABLE OFF CACHE BOOL "Build a Windows GUI executable" FORCE)

endif()

if(WIN32 AND GDBSTUB)

# Force console subsystem when building with GDBSTUB

set(CMAKE_WIN32_EXECUTABLE OFF CACHE BOOL "Build a Windows GUI executable" FORCE)

endif()

if(WIN32 AND NOT CMAKE_WIN32_EXECUTABLE)

add_compile_definitions(WIN_CONSOLE_LOG=1)

endif()

if(GDBSTUB)

set(DYNAREC OFF CACHE BOOL "Dynamic Recompiler" FORCE)

endif()

if(CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")

SET(CMAKE_EXE_LINKER_FLAGS "-Wl,-z,wxneeded")

endif()

# Development branch features

# Option Description Def. Condition Otherwise

# ------ ----------- ---- ------------ ---------

cmake_dependent_option(AMD_K5 "AMD K5" ON "DEV_BRANCH" OFF)

cmake_dependent_option(G100 "Matrox Productiva G100" ON "DEV_BRANCH" OFF)

cmake_dependent_option(ISAMEM_RAMPAGE "AST Rampage" ON "DEV_BRANCH" OFF)

cmake_dependent_option(ISAMEM_IAB "Intel Above Board" ON "DEV_BRANCH" OFF)

cmake_dependent_option(ISAMEM_BRAT "BocaRAM/AT" ON "DEV_BRANCH" OFF)

cmake_dependent_option(OPL4ML "OPL4-ML daughterboard" ON "DEV_BRANCH" OFF)

cmake_dependent_option(SIO_DETECT "Super I/O Detection Helper" ON "DEV_BRANCH" OFF)

cmake_dependent_option(WACOM "Wacom Input Devices" ON "DEV_BRANCH" OFF)

cmake_dependent_option(VFIO "Virtual Function I/O" ON "DEV_BRANCH" OFF)

cmake_dependent_option(SOFTMODEM "AC'97 Softmodem" ON "DEV_BRANCH" OFF)

# Defaults to DEV_BRANCH like the options above, but can also be enabled on its own

option(RAGE128_MAXX "ATI Rage Fury MAXX" ${DEV_BRANCH})

option(POWERVR_PCX_DEV "PowerVR PCX: developer/test settings in the device" OFF)

# Ditto but for Qt

if(QT)

option(USE_QT6 "Use Qt6 instead of Qt5" OFF)

if(APPLE)

option(MOLTENVK "Use MoltenVK libraries for Vulkan support on macOS. Requires a Vulkan-enabled QT." OFF)

endif()

option(LIBRASHADER "Build with librashader support" ON)

if(LIBRASHADER)

option(LIBRASHADER_STATIC "Statically link with librashader" OFF)

if(LIBRASHADER_STATIC)

option(LIBRASHADER_STATIC_FIND_LIB "Find static librashader library instead of building." OFF)

if (NOT LIBRASHADER_STATIC_FIND_LIB)

set(FETCHCONTENT_QUIET 0)

FetchContent_Declare(librashader

GIT_REPOSITORY https://github.com/SnowflakePowered/librashader.git

GIT_TAG f810cdf6e856e5a5215b1e84a21c978bc3367f23 GIT_SUBMODULES "" GIT_PROGRESS 1)

FetchContent_Declare(corrosion

GIT_REPOSITORY https://github.com/corrosion-rs/corrosion.git

GIT_TAG c4786e7ae2d5ade784aca29448df362c874ed04e)

FetchContent_MakeAvailable(librashader corrosion)

FetchContent_GetProperties(librashader SOURCE_DIR LIBRASHADER_SOURCE_DIR)

corrosion_import_crate(MANIFEST_PATH ${LIBRASHADER_SOURCE_DIR}/librashader-capi/Cargo.toml NO_DEFAULT_FEATURES FEATURES runtime-vulkan CRATE_TYPES staticlib)

endif()

# Determine the build type

set(RELEASE_BUILD OFF)

set(BETA_BUILD OFF)

set(ALPHA_BUILD OFF)

string(TOLOWER "${BUILD_TYPE}" BUILD_TYPE_LOWER)

if(BUILD_TYPE_LOWER STREQUAL "release")

# Release build

set(RELEASE_BUILD ON)

add_compile_definitions(RELEASE_BUILD)

elseif(BUILD_TYPE_LOWER STREQUAL "beta")

# Beta build

set(BETA_BUILD ON)

add_compile_definitions(BETA_BUILD)

elseif(BUILD_TYPE_LOWER STREQUAL "alpha")

# Alpha build

set(ALPHA_BUILD ON)

add_compile_definitions(ALPHA_BUILD)

endif()

# Versioning variables

if(NOT CMAKE_PROJECT_VERSION_PATCH)

set(CMAKE_PROJECT_VERSION_PATCH 0)

endif()

if(NOT EMU_BUILD_NUM)

set(EMU_BUILD_NUM 0)

endif()

if(NOT EMU_COPYRIGHT_YEAR)

set(EMU_COPYRIGHT_YEAR 2026)

endif()

# Libasan

if(LIBASAN)

add_compile_options(-fsanitize=address)

add_link_options(-fsanitize=address)

endif()

set(CMAKE_TOP_LEVEL_PROCESSED TRUE)

add_subdirectory(src)