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CMakeLists.txt
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CMakeLists.txt
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#
# This file is part of Magnum.
#
# Original authors — credit is appreciated but not required:
#
# 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019,
# 2020, 2021, 2022, 2023, 2024 — Vladimír Vondruš <[email protected]>
#
# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or distribute
# this software, either in source code form or as a compiled binary, for any
# purpose, commercial or non-commercial, and by any means.
#
# In jurisdictions that recognize copyright laws, the author or authors of
# this software dedicate any and all copyright interest in the software to
# the public domain. We make this dedication for the benefit of the public
# at large and to the detriment of our heirs and successors. We intend this
# dedication to be an overt act of relinquishment in perpetuity of all
# present and future rights to this software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Matches Corrade requirement, see its root CMakeLists for more information.
cmake_minimum_required(VERSION 3.5)
# Don't restrict INTERPROCEDURAL_OPTIMIZATION only for icc on Linux
if(POLICY CMP0069)
cmake_policy(SET CMP0069 NEW)
endif()
# If CMAKE_AUTOMOC is set, all uses of corrade_add_resource() would otherwise
# complain on 3.10 that AUTOMOC is not processing GENERATED files
if(POLICY CMP0071)
cmake_policy(SET CMP0071 NEW)
endif()
# Allow <PackageName>_ROOT to be used on 3.12+ to point to per-package install
# locations that find_package(PackageName) subsequently picks up
if(POLICY CMP0074)
cmake_policy(SET CMP0074 NEW)
endif()
# Allow also <PACKAGENAME>_ROOT (i.e., uppercase), on 3.27+
if(POLICY CMP0144)
cmake_policy(SET CMP0144 NEW)
endif()
# Superprojects can use just set(MAGNUM_WITH_BLAH ON) without FORCE CACHE on
# 3.13+
if(POLICY CMP0077)
cmake_policy(SET CMP0077 NEW)
endif()
project(MagnumExamples CXX)
# Use folders for nice tree in Visual Studio and XCode
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/modules/" ${CMAKE_MODULE_PATH})
find_package(Magnum REQUIRED)
include(CMakeDependentOption)
# Options that used to be unprefixed. 29 values for 29 option() and
# cmake_dependent_option() calls. New options shouldn't be added to this list.
set(_MAGNUMEXAMPLES_DEPRECATED_UNPREFIXED_OPTIONS
WITH_ARCBALL_EXAMPLE
WITH_ANIMATED_GIF_EXAMPLE
WITH_AREALIGHTS_EXAMPLE
WITH_AUDIO_EXAMPLE
WITH_BOX2D_EXAMPLE
WITH_BULLET_EXAMPLE
WITH_CUBEMAP_EXAMPLE
WITH_DART_EXAMPLE
WITH_FLUIDSIMULATION2D_EXAMPLE
WITH_FLUIDSIMULATION3D_EXAMPLE
WITH_IMGUI_EXAMPLE
WITH_LEAPMOTION_EXAMPLE
WITH_MOUSEINTERACTION_EXAMPLE
WITH_MOTIONBLUR_EXAMPLE
WITH_OCTREE_EXAMPLE
WITH_OVR_EXAMPLE
WITH_PICKING_EXAMPLE
WITH_PRIMITIVES_EXAMPLE
WITH_RAYTRACING_EXAMPLE
WITH_SHADOWS_EXAMPLE
WITH_TEXT_EXAMPLE
WITH_TEXTUREDQUAD_EXAMPLE
WITH_TEXTUREDTRIANGLE_VULKAN_EXAMPLE
WITH_TRIANGLE_EXAMPLE
WITH_TRIANGLE_PLAIN_GLFW_EXAMPLE
WITH_TRIANGLE_SOKOL_EXAMPLE
WITH_TRIANGLE_VULKAN_EXAMPLE
WITH_VIEWER_EXAMPLE
WITH_WEBXR_EXAMPLE
FLUIDSIMULATION3D_EXAMPLE_USE_MULTITHREADING
FLUIDSIMULATION3D_EXAMPLE_USE_TBB)
# If during the first run (i.e., when the variable isn't in cache yet), check
# if any of the prefixed options are already set. If so, we assume the user is
# already switched to the prefixed options and won't accept the deprecated
# unprefixed options for backwards compatibility. This way it's possible for
# projects to reuse these variables for other purposes without affecting
# Corrade in any way.
if(NOT DEFINED _MAGNUMEXAMPLES_ACCEPT_DEPRECATED_UNPREFIXED_OPTIONS)
set(_MAGNUMEXAMPLES_ACCEPT_DEPRECATED_UNPREFIXED_OPTIONS ON CACHE INTERNAL "")
foreach(option ${_MAGNUMEXAMPLES_DEPRECATED_UNPREFIXED_OPTIONS})
if(DEFINED MAGNUM_${option})
set(_MAGNUMEXAMPLES_ACCEPT_DEPRECATED_UNPREFIXED_OPTIONS OFF CACHE INTERNAL "")
break()
endif()
endforeach()
endif()
option(MAGNUM_WITH_ARCBALL_EXAMPLE "Build ArcBall Camera example" OFF)
option(MAGNUM_WITH_ANIMATED_GIF_EXAMPLE "Build Animated Gif example" OFF)
option(MAGNUM_WITH_AREALIGHTS_EXAMPLE "Build Area Lights example (requires the Ui library and some TTF font plugin)" OFF)
option(MAGNUM_WITH_AUDIO_EXAMPLE "Build Audio example (requires the Audio library and the StbVorbisAudioImporter plugin)" OFF)
option(MAGNUM_WITH_BOX2D_EXAMPLE "Build Box2D integration example" OFF)
option(MAGNUM_WITH_BULLET_EXAMPLE "Build Bullet integration example (requires the BulletIntegration library)" OFF)
cmake_dependent_option(MAGNUM_WITH_CUBEMAP_EXAMPLE "Build CubeMap example (requires some JPEG importer plugin)" OFF "NOT MAGNUM_TARGET_GLES" OFF)
option(MAGNUM_WITH_DART_EXAMPLE "Build DART integration example (requires the DartIntegration library)" OFF)
option(MAGNUM_WITH_FLUIDSIMULATION2D_EXAMPLE "Build 2D Fluid Simulation example (requires the ImGui integration)" OFF)
option(MAGNUM_WITH_FLUIDSIMULATION3D_EXAMPLE "Build 3D Fluid Simulation example (requires the ImGui integration)" OFF)
option(MAGNUM_WITH_IMGUI_EXAMPLE "Build ImGui example" OFF)
option(MAGNUM_WITH_LEAPMOTION_EXAMPLE "Build LeapMotion example" OFF)
option(MAGNUM_WITH_MOUSEINTERACTION_EXAMPLE "Build Mouse Interaction example" OFF)
cmake_dependent_option(MAGNUM_WITH_MOTIONBLUR_EXAMPLE "Build Motion Blur example" OFF "NOT MAGNUM_TARGET_GLES" OFF)
option(MAGNUM_WITH_OCTREE_EXAMPLE "Build Octree example" OFF)
option(MAGNUM_WITH_OVR_EXAMPLE "Build OVR example" OFF)
option(MAGNUM_WITH_PICKING_EXAMPLE "Build Picking example" OFF)
option(MAGNUM_WITH_PRIMITIVES_EXAMPLE "Build Primitives example" OFF)
option(MAGNUM_WITH_RAYTRACING_EXAMPLE "Build Ray Tracing example" OFF)
option(MAGNUM_WITH_SHADOWS_EXAMPLE "Build Shadow Mapping example" OFF)
option(MAGNUM_WITH_TEXT_EXAMPLE "Build Text example (requires some TTF font plugin)" OFF)
cmake_dependent_option(MAGNUM_WITH_TEXTUREDQUAD_EXAMPLE "Build Textured Quad example (requires some TGA importer plugin)" OFF "NOT MAGNUM_TARGET_GLES" OFF)
option(MAGNUM_WITH_TEXTUREDTRIANGLE_VULKAN_EXAMPLE "Build Vulkan Textured Triangle example (requires some TGA importer plugin)" OFF)
option(MAGNUM_WITH_TRIANGLE_EXAMPLE "Build Triangle example" ON)
option(MAGNUM_WITH_TRIANGLE_PLAIN_GLFW_EXAMPLE "Build Plain GLFW Triangle example" OFF)
option(MAGNUM_WITH_TRIANGLE_SOKOL_EXAMPLE "Build sokol_gfx Triangle example" OFF)
option(MAGNUM_WITH_TRIANGLE_VULKAN_EXAMPLE "Build Vulkan Triangle example" OFF)
option(MAGNUM_WITH_VIEWER_EXAMPLE "Build Viewer example (requires the AnySceneImporter plugin)" OFF)
if(CORRADE_TARGET_EMSCRIPTEN)
option(MAGNUM_WITH_WEBXR_EXAMPLE "Build WebXR example" OFF)
endif()
# Backwards compatibility for unprefixed CMake options. If the user isn't
# explicitly using prefixed options in the first run already, accept the
# unprefixed options, and remember this decision for subsequent runs
if(NOT DEFINED _MAGNUMEXAMPLES_ACCEPT_DEPRECATED_UNPREFIXED_OPTIONS)
set(_MAGNUMEXAMPLES_ACCEPT_DEPRECATED_UNPREFIXED_OPTIONS ON CACHE INTERNAL "")
endif()
# If the user wasn't explicitly using prefixed options in the first run and the
# MAGNUM_BUILD_DEPRECATED option is not currently disabled (which can get
# changed subsequently), accept the unprefixed options and print a warning if
# they're different from the prefixed ones.
if(_MAGNUMEXAMPLES_ACCEPT_DEPRECATED_UNPREFIXED_OPTIONS AND MAGNUM_BUILD_DEPRECATED)
set(_MAGNUMEXAMPLES_WARN_DEPRECATED_UNPREFIXED_OPTION )
foreach(option ${_MAGNUMEXAMPLES_DEPRECATED_UNPREFIXED_OPTIONS})
if(DEFINED ${option})
# CMake has no comparison of boolean values (EQUAL returns false if
# comparing ON and 1 or OFF and FALSE, STREQUAL also), so we have
# to do it this way. Also warn only on the first encountered
# variable so people can fix it, reconfigure and go to the next one
# that warns.
if((${option} AND NOT MAGNUM_${option}) OR
(NOT ${option} AND MAGNUM_${option}) AND NOT _MAGNUMEXAMPLES_WARN_DEPRECATED_UNPREFIXED_OPTION)
set(_MAGNUMEXAMPLES_WARN_DEPRECATED_UNPREFIXED_OPTION ${option})
endif()
set(MAGNUM_${option} ${${option}})
# If variables specified on the command line don't match any
# options, they're kept in cache but set as UNINITIALIZED, meaning
# they don't appear in cmake-gui or ccmake, so there's no way to
# fix the warning apart from hand-enditing the CMakeCache.txt or
# recreating the build dir. Update their cached type to be BOOL to
# make them appear.
set(${option} ${${option}} CACHE BOOL "Deprecated, use MAGNUM_${option} instead" FORCE)
endif()
endforeach()
if(_MAGNUMEXAMPLES_WARN_DEPRECATED_UNPREFIXED_OPTION)
message(DEPRECATION "Unprefixed options such as ${_MAGNUMEXAMPLES_WARN_DEPRECATED_UNPREFIXED_OPTION} are deprecated, use MAGNUM_${_MAGNUMEXAMPLES_WARN_DEPRECATED_UNPREFIXED_OPTION} instead. Delete the unprefixed variable from CMake cache or set both to the same value to silence this warning.")
endif()
endif()
# Deprecated options
if(MAGNUM_BUILD_DEPRECATED AND WITH_TEXTUREDTRIANGLE_EXAMPLE AND NOT WITH_TEXTUREDQUAD_EXAMPLE AND NOT MAGNUM_WITH_TEXTUREDQUAD_EXAMPLE)
set(MAGNUM_WITH_TEXTUREDQUAD_EXAMPLE ON)
message(DEPRECATION "The WITH_TEXTUREDTRIANGLE_EXAMPLE option is deprecated. Use MAGNUM_WITH_TEXTUREDQUAD_EXAMPLE instead.")
endif()
# A single output location. After a decade of saying NO THIS IS A NON-SOLUTION
# TO A NON-PROBLEM I reconsidered my views and enabled this, because:
#
# - On Windows (which don't have RPATH), this makes test execution finally
# possible without having to install all the stuff first (including the
# test-only libs, which is ugh).
# - With CMake subprojects, this makes it finally possible to use dynamic
# plugins directly from the build dir (again without installing anything) ---
# all plugins are put into the same place, so PluginManager has a single
# place to look into; and thanks to the dynamic libraries being there as
# well, this location can be automagically detected as relative to
# Utility::Path::libraryLocation().
# - Thanks to the $<CONFIG> being part of the output path, you are always sure
# you never accidentally mix up debug/release libraries when switching
# CMAKE_BUILD_TYPE in an existing build dir.
#
# The runtime location is set to CMAKE_BINARY_DIR and not PROJECT_BINARY_DIR
# because have one runtime location per CMake subproject would not solve much
# either. If the user already provides CMAKE_RUNTIME_OUTPUT_DIRECTORY (even
# empty), it's respected and nothing is being done.
#
# Explicitly using a generator expression to ensure plugins are added to e.g.
# <CONFIG>/lib/magnum/importers/ instead of lib/magnum/importers/<CONFIG>. Also
# adding this to cache, making superprojects pick that up implicitly as well,
# without forcing them to explicitly mirror this setting.
if(NOT DEFINED CMAKE_RUNTIME_OUTPUT_DIRECTORY AND NOT DEFINED CMAKE_LIBRARY_OUTPUT_DIRECTORY AND NOT DEFINED CMAKE_ARCHIVE_OUTPUT_DIRECTORY)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/$<CONFIG>/bin CACHE PATH "" FORCE)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/$<CONFIG>/lib CACHE PATH "" FORCE)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/$<CONFIG>/lib CACHE PATH "" FORCE)
# There should be no need for the "90% use case" user to adjust these, so
# don't show them in the default view
mark_as_advanced(
CMAKE_RUNTIME_OUTPUT_DIRECTORY
CMAKE_LIBRARY_OUTPUT_DIRECTORY
CMAKE_ARCHIVE_OUTPUT_DIRECTORY)
endif()
add_subdirectory(src)