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CMakeLists.txt
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CMakeLists.txt
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option(BUILD_SHARED_LIBS "Build shared library" TRUE)
option(USE_SDL2 "Use the SDL2 backend" FALSE)
# Compiler flags
add_definitions(-DIRRLICHT_EXPORTS)
if(BUILD_SHARED_LIBS)
if(WIN32)
set(API_IMPORT "__declspec(dllimport)")
set(API_EXPORT "__declspec(dllexport)")
elseif(CMAKE_CXX_COMPILER_ID MATCHES "^(GNU|Clang|AppleClang)$")
set(API_EXPORT "__attribute__ ((visibility(\"default\")))") # only necessary if default visibility is set to hidden
endif()
else()
add_definitions(-D_IRR_STATIC_LIB_)
endif()
add_definitions("-DIRRLICHT_API=${API_EXPORT}")
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
add_definitions(-D_DEBUG)
endif()
set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if(CMAKE_CXX_COMPILER_ID MATCHES "^(GNU|Clang|AppleClang)$")
set(CMAKE_CXX_FLAGS_RELEASE "-O3")
set(CMAKE_CXX_FLAGS_DEBUG "-g")
add_compile_options(-Wall -pipe -fno-exceptions -fno-rtti)
# Enable SSE for floating point math on 32-bit x86 by default
# reasoning see minetest issue #11810 and https://gcc.gnu.org/wiki/FloatingPointMath
if(CMAKE_SIZEOF_VOID_P EQUAL 4)
include(CheckCXXSourceCompiles)
check_cxx_source_compiles("#ifndef __i686__\n#error\n#endif\nint main(){}" IS_I686)
if(IS_I686)
message(STATUS "Detected Intel x86: using SSE instead of x87 FPU")
add_compile_options(-mfpmath=sse -msse)
endif()
endif()
elseif(MSVC)
string(APPEND CMAKE_CXX_STANDARD_LIBRARIES " msvcrt.lib") # ???? fuck off
add_compile_options(/GR- /Zl)
# Enable SSE for floating point math on 32-bit x86 by default
# reasoning see minetest issue #11810 and https://gcc.gnu.org/wiki/FloatingPointMath
if(CMAKE_SIZEOF_VOID_P EQUAL 4)
add_compile_options(/arch:SSE)
endif()
endif()
# Sanity-check version
include(CheckCXXSourceCompiles)
set(CMAKE_REQUIRED_INCLUDES ${PROJECT_SOURCE_DIR}/include)
unset(REVISION_SANITY_CHECK CACHE)
check_cxx_source_compiles("#include <IrrCompileConfig.h>\n\
#if IRRLICHT_VERSION_MT_REVISION != ${IRRLICHTMT_REVISION}\n\
#error\n\
#endif\n\
int main() {}" REVISION_SANITY_CHECK)
if(NOT REVISION_SANITY_CHECK)
message(FATAL_ERROR "IrrlichtMt revision number mismatches between CMake and headers.")
endif()
# Platform-independent configuration (hard-coded currently)
add_definitions(
-DIRR_ENABLE_BUILTIN_FONT
-D_IRR_COMPILE_WITH_SKINNED_MESH_SUPPORT_
)
# Platform-specific configuration
if(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
set(SOLARIS TRUE)
endif()
# Device
if(WIN32)
add_definitions(-D_IRR_WINDOWS_ -D_IRR_WINDOWS_API_)
set(DEVICE "WINDOWS")
elseif(APPLE)
add_definitions(-D_IRR_OSX_PLATFORM_)
set(DEVICE "OSX")
elseif(ANDROID)
add_definitions(-D_IRR_ANDROID_PLATFORM_ -D_IRR_COMPILE_ANDROID_ASSET_READER_)
if(USE_SDL2)
message(FATAL_ERROR "SDL2 device is not (yet) supported on Android")
endif()
set(DEVICE "ANDROID")
elseif(EMSCRIPTEN)
add_definitions(-D_IRR_EMSCRIPTEN_PLATFORM_ -D_IRR_COMPILE_WITH_EGL_MANAGER_)
set(LINUX_PLATFORM TRUE)
set(DEVICE "SDL")
elseif(SOLARIS)
add_definitions(-D_IRR_SOLARIS_PLATFORM_ -D_IRR_POSIX_API_)
set(DEVICE "X11")
else()
add_definitions(-D_IRR_POSIX_API_)
set(LINUX_PLATFORM TRUE)
set(DEVICE "X11")
endif()
if(LINUX_PLATFORM)
add_definitions(-D_IRR_LINUX_PLATFORM_)
endif()
if(USE_SDL2)
set(DEVICE "SDL")
elseif(DEVICE STREQUAL "SDL")
message(FATAL_ERROR "SDL was used but not enabled?!")
endif()
add_definitions("-D_IRR_COMPILE_WITH_${DEVICE}_DEVICE_")
# X11
if(DEVICE STREQUAL "X11")
option(USE_X11 "Use X11" TRUE)
else()
set(USE_X11 FALSE)
endif()
if(LINUX_PLATFORM AND USE_X11)
option(USE_XINPUT2 "Use XInput2" TRUE)
option(USE_XCURSOR "Use XCursor" FALSE)
else()
set(USE_XINPUT2 FALSE)
set(USE_XCURSOR FALSE)
endif()
# Joystick
if(NOT (BSD OR SOLARIS OR EMSCRIPTEN))
add_definitions(-D_IRR_COMPILE_WITH_JOYSTICK_EVENTS_)
endif()
# OpenGL
option(ENABLE_OPENGL3 "Enable OpenGL 3+" FALSE)
if(ANDROID OR EMSCRIPTEN)
set(ENABLE_OPENGL FALSE)
else()
option(ENABLE_OPENGL "Enable OpenGL" TRUE)
endif()
if(EMSCRIPTEN OR APPLE)
set(ENABLE_GLES1 FALSE)
else()
if(ANDROID)
set(DEFAULT_GLES1 TRUE)
endif()
option(ENABLE_GLES1 "Enable OpenGL ES" ${DEFAULT_GLES1})
endif()
if(APPLE)
set(ENABLE_GLES2 FALSE)
set(ENABLE_WEBGL1 FALSE)
else()
if(ANDROID OR EMSCRIPTEN)
set(DEFAULT_GLES2 TRUE)
endif()
if(EMSCRIPTEN)
set(DEFAULT_WEBGL1 TRUE)
endif()
option(ENABLE_GLES2 "Enable OpenGL ES 2+" ${DEFAULT_GLES2})
option(ENABLE_WEBGL1 "Enable WebGL (requires GLES2)" ${DEFAULT_WEBGL1})
if(ENABLE_WEBGL1)
set(ENABLE_GLES2 TRUE)
endif()
endif()
if(ENABLE_OPENGL)
add_definitions(-D_IRR_COMPILE_WITH_OPENGL_)
if(DEVICE STREQUAL "WINDOWS")
add_definitions(-D_IRR_COMPILE_WITH_WGL_MANAGER_ -D_IRR_OPENGL_USE_EXTPOINTER_)
elseif(DEVICE STREQUAL "X11")
add_definitions(-D_IRR_COMPILE_WITH_GLX_MANAGER_ -D_IRR_OPENGL_USE_EXTPOINTER_)
elseif(DEVICE STREQUAL "OSX")
add_definitions(-D_IRR_COMPILE_WITH_NSOGL_MANAGER_)
elseif(DEVICE STREQUAL "SDL")
add_definitions(-D_IRR_OPENGL_USE_EXTPOINTER_)
endif()
endif()
if(ENABLE_OPENGL3)
if (NOT USE_SDL2)
message(FATAL_ERROR "OpenGL 3 driver requires SDL2")
endif()
set(USE_SDLGL ON)
set(USE_SDLGL3 ON)
endif()
if(ENABLE_GLES1)
if (USE_SDL2)
message(FATAL_ERROR "OpenGL ES 1 is not supported with SDL2")
endif()
add_definitions(-D_IRR_COMPILE_WITH_OGLES1_)
if(DEVICE MATCHES "^(WINDOWS|X11|ANDROID)$")
add_definitions(-D_IRR_COMPILE_WITH_EGL_MANAGER_ -D_IRR_OGLES1_USE_EXTPOINTER_)
endif()
endif()
if(ENABLE_GLES2)
add_definitions(-D_IRR_COMPILE_WITH_OGLES2_)
if(DEVICE MATCHES "^(WINDOWS|X11|ANDROID)$" OR EMSCRIPTEN)
add_definitions(-D_IRR_COMPILE_WITH_EGL_MANAGER_ -D_IRR_OGLES2_USE_EXTPOINTER_)
elseif(DEVICE STREQUAL "SDL")
set(USE_SDLGL ON)
set(USE_SDLGLES2 ON)
endif()
endif()
if(ENABLE_WEBGL1)
add_definitions(-D_IRR_COMPILE_WITH_WEBGL1_)
endif()
# Misc
include(TestBigEndian)
TEST_BIG_ENDIAN(BIG_ENDIAN)
if(BIG_ENDIAN)
add_definitions(-D__BIG_ENDIAN__)
endif()
# Configuration report
message(STATUS "Device: ${DEVICE}")
message(STATUS "OpenGL: ${ENABLE_OPENGL}")
message(STATUS "OpenGL 3: ${ENABLE_OPENGL3}")
message(STATUS "OpenGL ES: ${ENABLE_GLES1}")
if (USE_SDLGLES2)
message(STATUS "OpenGL ES 2: ON (unified)")
elseif (ENABLE_GLES2)
message(STATUS "OpenGL ES 2: ON (legacy)")
else()
message(STATUS "OpenGL ES 2: OFF")
endif()
message(STATUS "WebGL: ${ENABLE_WEBGL1}")
# Required libs
find_package(ZLIB REQUIRED)
find_package(JPEG REQUIRED)
find_package(PNG REQUIRED)
if(ENABLE_GLES1)
# only tested on Android, probably works on Linux (is this needed anywhere else?)
find_library(OPENGLES_LIBRARY NAMES GLESv1_CM REQUIRED)
find_library(EGL_LIBRARY NAMES EGL REQUIRED)
message(STATUS "Found OpenGLES: ${OPENGLES_LIBRARY}")
endif()
if(ENABLE_GLES2)
find_package(OpenGLES2 REQUIRED)
endif()
if(ENABLE_OPENGL OR ENABLE_OPENGL3)
find_package(OpenGL REQUIRED)
endif()
if(USE_SDL2)
find_package(SDL2 CONFIG REQUIRED)
message(STATUS "Found SDL2: ${SDL2_LIBRARIES}")
endif()
# Platform-specific libs
if(ANDROID)
enable_language(C)
elseif(APPLE)
find_library(COCOA_LIB Cocoa REQUIRED)
find_library(IOKIT_LIB IOKit REQUIRED)
add_definitions(-DGL_SILENCE_DEPRECATION)
elseif(NOT USE_SDL2)
# Unix probably
find_package(X11 REQUIRED)
if(USE_XINPUT2 AND NOT X11_Xi_FOUND)
message(FATAL_ERROR "XInput not found")
endif()
endif()
set(link_includes
"${PROJECT_SOURCE_DIR}/include"
"${CMAKE_CURRENT_SOURCE_DIR}"
"${ZLIB_INCLUDE_DIR}"
"${JPEG_INCLUDE_DIR}"
"${PNG_INCLUDE_DIR}"
"$<$<BOOL:${USE_SDL2}>:${SDL2_INCLUDE_DIRS}>"
${OPENGL_INCLUDE_DIR}
${OPENGLES2_INCLUDE_DIR}
${EGL_INCLUDE_DIR}
"$<$<PLATFORM_ID:Android>:${ANDROID_NDK}/sources/android/native_app_glue>"
"$<$<BOOL:${USE_X11}>:${X11_INCLUDE_DIR}>"
)
set(link_libs
"${ZLIB_LIBRARY}"
"${JPEG_LIBRARY}"
"${PNG_LIBRARY}"
"$<$<BOOL:${USE_SDL2}>:${SDL2_LIBRARIES}>"
${OPENGL_LIBRARIES}
${OPENGLES_LIBRARY}
${OPENGLES2_LIBRARIES}
${EGL_LIBRARY}
"$<$<PLATFORM_ID:Android>:-landroid -llog>"
${COCOA_LIB}
${IOKIT_LIB}
"$<$<PLATFORM_ID:Windows>:gdi32>"
"$<$<PLATFORM_ID:Windows>:winmm>"
"$<$<BOOL:${USE_X11}>:${X11_X11_LIB}>"
"$<$<BOOL:${USE_X11}>:${X11_Xi_LIB}>"
)
# Source files
set(IRRMESHLOADER
CB3DMeshFileLoader.cpp
COBJMeshFileLoader.cpp
CXMeshFileLoader.cpp
)
add_library(IRRMESHOBJ OBJECT
CSkinnedMesh.cpp
CBoneSceneNode.cpp
CMeshSceneNode.cpp
CAnimatedMeshSceneNode.cpp
${IRRMESHLOADER}
)
add_library(IRROBJ OBJECT
CBillboardSceneNode.cpp
CCameraSceneNode.cpp
CDummyTransformationSceneNode.cpp
CEmptySceneNode.cpp
CMeshManipulator.cpp
CSceneCollisionManager.cpp
CSceneManager.cpp
CMeshCache.cpp
)
set(IRRDRVROBJ
CNullDriver.cpp
CGLXManager.cpp
CWGLManager.cpp
CEGLManager.cpp
CSDLManager.cpp
mt_opengl_loader.cpp
)
if(ENABLE_OPENGL)
set(IRRDRVROBJ
${IRRDRVROBJ}
COpenGLCacheHandler.cpp
COpenGLDriver.cpp
COpenGLShaderMaterialRenderer.cpp
COpenGLSLMaterialRenderer.cpp
COpenGLExtensionHandler.cpp
)
endif()
if(ENABLE_GLES1)
set(IRRDRVROBJ
${IRRDRVROBJ}
COGLESDriver.cpp
COGLESExtensionHandler.cpp
)
endif()
set(IRRIMAGEOBJ
CColorConverter.cpp
CImage.cpp
CImageLoaderBMP.cpp
CImageLoaderJPG.cpp
CImageLoaderPNG.cpp
CImageLoaderTGA.cpp
CImageWriterJPG.cpp
CImageWriterPNG.cpp
)
add_library(IRRVIDEOOBJ OBJECT
CFPSCounter.cpp
${IRRDRVROBJ}
${IRRIMAGEOBJ}
)
if(USE_SDLGL)
target_sources(IRRVIDEOOBJ PRIVATE
OpenGL/Driver.cpp
OpenGL/ExtensionHandler.cpp
OpenGL/FixedPipelineRenderer.cpp
OpenGL/MaterialRenderer.cpp
OpenGL/Renderer2D.cpp
)
endif()
if(USE_SDLGL3)
target_sources(IRRVIDEOOBJ PRIVATE
OpenGL3/Driver.cpp
)
endif()
if(USE_SDLGLES2)
target_sources(IRRVIDEOOBJ PRIVATE
OpenGLES2/Driver.cpp
)
elseif(ENABLE_GLES2)
target_sources(IRRVIDEOOBJ PRIVATE
COGLES2Driver.cpp
COGLES2ExtensionHandler.cpp
COGLES2FixedPipelineRenderer.cpp
COGLES2MaterialRenderer.cpp
COGLES2Renderer2D.cpp
CWebGL1Driver.cpp
)
endif()
add_library(IRRIOOBJ OBJECT
CFileList.cpp
CFileSystem.cpp
CLimitReadFile.cpp
CMemoryFile.cpp
CReadFile.cpp
CWriteFile.cpp
CZipReader.cpp
CAttributes.cpp
)
add_library(IRROTHEROBJ OBJECT
CIrrDeviceSDL.cpp
CIrrDeviceLinux.cpp
CIrrDeviceStub.cpp
CIrrDeviceWin32.cpp
CLogger.cpp
COSOperator.cpp
Irrlicht.cpp
os.cpp
)
if(ENABLE_OPENGL3)
target_compile_definitions(IRROTHEROBJ PRIVATE ENABLE_OPENGL3)
endif()
if(ANDROID)
target_sources(IRROTHEROBJ PRIVATE
Android/CIrrDeviceAndroid.cpp
Android/CAndroidAssetReader.cpp
Android/CAndroidAssetFileArchive.cpp
Android/CKeyEventWrapper.cpp
)
elseif(APPLE)
# Build all IRROTHEROBJ sources as objc++, including the .cpp's
set_target_properties(IRROTHEROBJ PROPERTIES COMPILE_OPTIONS "-xobjective-c++")
target_sources(IRROTHEROBJ PRIVATE
CIrrDeviceOSX.mm
CNSOGLManager.mm
)
endif()
if(USE_X11)
target_compile_definitions(IRROTHEROBJ PRIVATE _IRR_COMPILE_WITH_X11_)
endif()
if(USE_XINPUT2)
target_compile_definitions(IRROTHEROBJ PRIVATE _IRR_LINUX_X11_XINPUT2_)
endif()
if(USE_XCURSOR)
target_compile_definitions(IRROTHEROBJ PRIVATE _IRR_LINUX_XCURSOR_)
endif()
add_library(IRRGUIOBJ OBJECT
CGUIButton.cpp
CGUICheckBox.cpp
CGUIComboBox.cpp
CGUIEditBox.cpp
CGUIEnvironment.cpp
CGUIFileOpenDialog.cpp
CGUIFont.cpp
CGUIImage.cpp
CGUIListBox.cpp
CGUIScrollBar.cpp
CGUISkin.cpp
CGUIStaticText.cpp
CGUITabControl.cpp
CGUISpriteBank.cpp
CGUIImageList.cpp
)
# Library
add_library(IrrlichtMt)
foreach(object_lib
IRRMESHOBJ IRROBJ IRRVIDEOOBJ
IRRIOOBJ IRROTHEROBJ IRRGUIOBJ)
# Set include directories for object library compilation
target_include_directories(${object_lib} PRIVATE ${link_includes})
# Add objects from object library to main library
target_sources(IrrlichtMt PRIVATE $<TARGET_OBJECTS:${object_lib}>)
endforeach()
# Alias target provides add_submodule compatibility
add_library(IrrlichtMt::IrrlichtMt ALIAS IrrlichtMt)
target_include_directories(IrrlichtMt
PUBLIC
"$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include/>"
"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
"$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/irrlichtmt>"
PRIVATE
${link_includes}
)
target_link_libraries(IrrlichtMt PRIVATE ${link_libs})
if(WIN32)
target_compile_definitions(IrrlichtMt INTERFACE _IRR_WINDOWS_API_) # used in _IRR_DEBUG_BREAK_IF definition in a public header
endif()
target_compile_definitions(IrrlichtMt INTERFACE "IRRLICHT_API=${API_IMPORT}")
if(APPLE OR ANDROID OR EMSCRIPTEN)
target_compile_definitions(IrrlichtMt PUBLIC IRR_MOBILE_PATHS)
endif()
set_target_properties(IrrlichtMt PROPERTIES
VERSION ${PROJECT_VERSION}
)
if(WIN32)
set_target_properties(IrrlichtMt PROPERTIES PREFIX "") # for DLL name
endif()
# Installation of library
install(TARGETS IrrlichtMt
EXPORT IrrlichtMt-export
DESTINATION "${CMAKE_INSTALL_LIBDIR}"
)