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Lime3DS/CMakeLists.txt
Tobias a11bc03d4a
Port yuzu-emu/yuzu#2253: "Migrate off directly modifying CMAKE_* compilation-related flags directly" (#4714) 
* CMakeLists: Move compilation flags into the src directory

We generally shouldn't be hijacking CMAKE_CXX_FLAGS, etc as a means to
append flags to the targets, since this adds the compilation flags to
everything, including our externals, which can result in weird issues
and makes the build hierarchy fragile.

Instead, we want to just apply these compilation flags to our targets,
and let those managing external libraries to properly specify their
compilation flags.

This also results in us not getting as many warnings, as we don't raise
the warning level on every external target.

* CMakeLists: Move off of modifying CMAKE_*-related flags

Modifying CMAKE_* related flags directly applies those changes to every
single CMake target. This includes even the targets we have in the
externals directory.

So, if we ever increased our warning levels, or enabled particular ones,
or enabled any other compilation setting, then this would apply to
externals as well, which is often not desirable.

This makes our compilation flag setup less error prone by only applying
our settings to our targets and leaving the externals alone entirely.

This also means we don't end up clobbering any provided flags on the
command line either, allowing users to specifically use the flags they
want.
2019-06-18 12:12:32 +02:00

362 lines
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CMake
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# CMake 3.8 required for 17 to be a valid value for CXX_STANDARD
cmake_minimum_required(VERSION 3.8)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules")
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/externals/cmake-modules")
include(DownloadExternals)
include(CMakeDependentOption)
project(citra)
# Set bundled sdl2/qt as dependent options.
# OFF by default, but if ENABLE_SDL2 and MSVC are true then ON
option(ENABLE_SDL2 "Enable the SDL2 frontend" ON)
CMAKE_DEPENDENT_OPTION(CITRA_USE_BUNDLED_SDL2 "Download bundled SDL2 binaries" ON "ENABLE_SDL2;MSVC" OFF)
option(ENABLE_QT "Enable the Qt frontend" ON)
option(ENABLE_QT_TRANSLATION "Enable translations for the Qt frontend" OFF)
CMAKE_DEPENDENT_OPTION(CITRA_USE_BUNDLED_QT "Download bundled Qt binaries" ON "ENABLE_QT;MSVC" OFF)
option(ENABLE_WEB_SERVICE "Enable web services (telemetry, etc.)" ON)
option(ENABLE_CUBEB "Enables the cubeb audio backend" ON)
option(ENABLE_FFMPEG "Enable FFmpeg decoder/encoder" OFF)
option(USE_DISCORD_PRESENCE "Enables Discord Rich Presence" OFF)
CMAKE_DEPENDENT_OPTION(ENABLE_MF "Use Media Foundation decoder" ON "WIN32;NOT ENABLE_FFMPEG" OFF)
if(NOT EXISTS ${PROJECT_SOURCE_DIR}/.git/hooks/pre-commit)
message(STATUS "Copying pre-commit hook")
file(COPY hooks/pre-commit
DESTINATION ${PROJECT_SOURCE_DIR}/.git/hooks)
endif()
# Sanity check : Check that all submodules are present
# =======================================================================
function(check_submodules_present)
file(READ "${PROJECT_SOURCE_DIR}/.gitmodules" gitmodules)
string(REGEX MATCHALL "path *= *[^ \t\r\n]*" gitmodules ${gitmodules})
foreach(module ${gitmodules})
string(REGEX REPLACE "path *= *" "" module ${module})
if (NOT EXISTS "${PROJECT_SOURCE_DIR}/${module}/.git")
message(SEND_ERROR "Git submodule ${module} not found."
"Please run: git submodule update --init --recursive")
endif()
endforeach()
endfunction()
check_submodules_present()
configure_file(${PROJECT_SOURCE_DIR}/dist/compatibility_list/compatibility_list.qrc
${PROJECT_BINARY_DIR}/dist/compatibility_list/compatibility_list.qrc
COPYONLY)
if (ENABLE_COMPATIBILITY_LIST_DOWNLOAD AND NOT EXISTS ${PROJECT_BINARY_DIR}/dist/compatibility_list/compatibility_list.json)
message(STATUS "Downloading compatibility list for citra...")
file(DOWNLOAD
https://api.citra-emu.org/gamedb/
"${PROJECT_BINARY_DIR}/dist/compatibility_list/compatibility_list.json" SHOW_PROGRESS)
endif()
if (NOT EXISTS ${PROJECT_BINARY_DIR}/dist/compatibility_list/compatibility_list.json)
file(WRITE ${PROJECT_BINARY_DIR}/dist/compatibility_list/compatibility_list.json "")
endif()
# Detect current compilation architecture and create standard definitions
# =======================================================================
include(CheckSymbolExists)
function(detect_architecture symbol arch)
if (NOT DEFINED ARCHITECTURE)
set(CMAKE_REQUIRED_QUIET 1)
check_symbol_exists("${symbol}" "" ARCHITECTURE_${arch})
unset(CMAKE_REQUIRED_QUIET)
# The output variable needs to be unique across invocations otherwise
# CMake's crazy scope rules will keep it defined
if (ARCHITECTURE_${arch})
set(ARCHITECTURE "${arch}" PARENT_SCOPE)
set(ARCHITECTURE_${arch} 1 PARENT_SCOPE)
add_definitions(-DARCHITECTURE_${arch}=1)
endif()
endif()
endfunction()
if (NOT ENABLE_GENERIC)
if (MSVC)
detect_architecture("_M_AMD64" x86_64)
detect_architecture("_M_IX86" x86)
detect_architecture("_M_ARM" ARM)
detect_architecture("_M_ARM64" ARM64)
else()
detect_architecture("__x86_64__" x86_64)
detect_architecture("__i386__" x86)
detect_architecture("__arm__" ARM)
detect_architecture("__aarch64__" ARM64)
endif()
endif()
if (NOT DEFINED ARCHITECTURE)
set(ARCHITECTURE "GENERIC")
set(ARCHITECTURE_GENERIC 1)
add_definitions(-DARCHITECTURE_GENERIC=1)
endif()
message(STATUS "Target architecture: ${ARCHITECTURE}")
# Configure C++ standard
# ===========================
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
# set up output paths for executable binaries
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)
# System imported libraries
# ======================
find_package(Boost 1.66.0 QUIET)
if (NOT Boost_FOUND)
message(STATUS "Boost 1.66.0 or newer not found, falling back to externals")
set(BOOST_ROOT "${PROJECT_SOURCE_DIR}/externals/boost")
set(Boost_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/externals/boost")
set(Boost_NO_SYSTEM_PATHS OFF)
find_package(Boost QUIET REQUIRED)
endif()
# Prefer the -pthread flag on Linux.
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
if (ENABLE_SDL2)
if (CITRA_USE_BUNDLED_SDL2)
# Detect toolchain and platform
if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1930) AND ARCHITECTURE_x86_64)
set(SDL2_VER "SDL2-2.0.8")
else()
message(FATAL_ERROR "No bundled SDL2 binaries for your toolchain. Disable CITRA_USE_BUNDLED_SDL2 and provide your own.")
endif()
if (DEFINED SDL2_VER)
download_bundled_external("sdl2/" ${SDL2_VER} SDL2_PREFIX)
endif()
set(SDL2_FOUND YES)
set(SDL2_INCLUDE_DIR "${SDL2_PREFIX}/include" CACHE PATH "Path to SDL2 headers")
set(SDL2_LIBRARY "${SDL2_PREFIX}/lib/x64/SDL2.lib" CACHE PATH "Path to SDL2 library")
set(SDL2_DLL_DIR "${SDL2_PREFIX}/lib/x64/" CACHE PATH "Path to SDL2.dll")
else()
find_package(SDL2 REQUIRED)
endif()
if (SDL2_FOUND)
# TODO(yuriks): Make FindSDL2.cmake export an IMPORTED library instead
add_library(SDL2 INTERFACE)
target_link_libraries(SDL2 INTERFACE "${SDL2_LIBRARY}")
target_include_directories(SDL2 INTERFACE "${SDL2_INCLUDE_DIR}")
endif()
else()
set(SDL2_FOUND NO)
endif()
if (ENABLE_QT)
if (CITRA_USE_BUNDLED_QT)
if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1930) AND ARCHITECTURE_x86_64)
set(QT_VER qt-5.10.0-msvc2017_64)
else()
message(FATAL_ERROR "No bundled Qt binaries for your toolchain. Disable CITRA_USE_BUNDLED_QT and provide your own.")
endif()
if (DEFINED QT_VER)
download_bundled_external("qt/" ${QT_VER} QT_PREFIX)
endif()
set(QT_PREFIX_HINT HINTS "${QT_PREFIX}")
else()
# Passing an empty HINTS seems to cause default system paths to get ignored in CMake 2.8 so
# make sure to not pass anything if we don't have one.
set(QT_PREFIX_HINT)
endif()
find_package(Qt5 REQUIRED COMPONENTS Widgets OpenGL Multimedia ${QT_PREFIX_HINT})
if (ENABLE_QT_TRANSLATION)
find_package(Qt5 REQUIRED COMPONENTS LinguistTools ${QT_PREFIX_HINT})
endif()
endif()
if (ENABLE_FFMPEG)
if (CITRA_USE_BUNDLED_FFMPEG)
if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1930) AND ARCHITECTURE_x86_64)
set(FFmpeg_VER "ffmpeg-4.0.2-msvc")
else()
message(FATAL_ERROR "No bundled FFmpeg binaries for your toolchain. Disable CITRA_USE_BUNDLED_FFMPEG and provide your own.")
endif()
if (DEFINED FFmpeg_VER)
download_bundled_external("ffmpeg/" ${FFmpeg_VER} FFmpeg_PREFIX)
set(FFMPEG_DIR "${FFmpeg_PREFIX}/../")
set(FFMPEG_FOUND YES)
endif()
else()
find_package(FFmpeg REQUIRED COMPONENTS avcodec)
if ("${FFmpeg_avcodec_VERSION}" VERSION_LESS "57.48.101")
message(FATAL_ERROR "Found version for libavcodec is too low. The required version is at least 57.48.101 (included in FFmpeg 3.1 and later).")
else()
set(FFMPEG_FOUND YES)
endif()
endif()
else()
set(FFMPEG_FOUND NO)
endif()
# Platform-specific library requirements
# ======================================
if (APPLE)
# Umbrella framework for everything GUI-related
find_library(COCOA_LIBRARY Cocoa)
set(PLATFORM_LIBRARIES ${COCOA_LIBRARY} ${IOKIT_LIBRARY} ${COREVIDEO_LIBRARY})
elseif (WIN32)
# WSAPoll and SHGetKnownFolderPath (AppData/Roaming) didn't exist before WinNT 6.x (Vista)
add_definitions(-D_WIN32_WINNT=0x0600 -DWINVER=0x0600)
set(PLATFORM_LIBRARIES winmm ws2_32)
if (MINGW)
# PSAPI is the Process Status API
set(PLATFORM_LIBRARIES ${PLATFORM_LIBRARIES} psapi imm32 version)
endif()
elseif (CMAKE_SYSTEM_NAME MATCHES "^(Linux|kFreeBSD|GNU|SunOS)$")
set(PLATFORM_LIBRARIES rt)
endif()
# Setup a custom clang-format target (if clang-format can be found) that will run
# against all the src files. This should be used before making a pull request.
# =======================================================================
set(CLANG_FORMAT_POSTFIX "-6.0")
find_program(CLANG_FORMAT
NAMES clang-format${CLANG_FORMAT_POSTFIX}
clang-format
PATHS ${PROJECT_BINARY_DIR}/externals)
# if find_program doesn't find it, try to download from externals
if (NOT CLANG_FORMAT)
if (WIN32)
message(STATUS "Clang format not found! Downloading...")
set(CLANG_FORMAT "${PROJECT_BINARY_DIR}/externals/clang-format${CLANG_FORMAT_POSTFIX}.exe")
file(DOWNLOAD
https://github.com/yuzu-emu/ext-windows-bin/raw/master/clang-format${CLANG_FORMAT_POSTFIX}.exe
"${CLANG_FORMAT}" SHOW_PROGRESS
STATUS DOWNLOAD_SUCCESS)
if (NOT DOWNLOAD_SUCCESS EQUAL 0)
message(WARNING "Could not download clang format! Disabling the clang format target")
file(REMOVE ${CLANG_FORMAT})
unset(CLANG_FORMAT)
endif()
else()
message(WARNING "Clang format not found! Disabling the clang format target")
endif()
endif()
if (CLANG_FORMAT)
set(SRCS ${PROJECT_SOURCE_DIR}/src)
set(CCOMMENT "Running clang format against all the .h and .cpp files in src/")
if (WIN32)
add_custom_target(clang-format
COMMAND powershell.exe -Command "Get-ChildItem '${SRCS}/*' -Include *.cpp,*.h -Recurse | Foreach {&'${CLANG_FORMAT}' -i $_.fullname}"
COMMENT ${CCOMMENT})
elseif(MINGW)
add_custom_target(clang-format
COMMAND find `cygpath -u ${SRCS}` -iname *.h -o -iname *.cpp | xargs `cygpath -u ${CLANG_FORMAT}` -i
COMMENT ${CCOMMENT})
else()
add_custom_target(clang-format
COMMAND find ${SRCS} -iname *.h -o -iname *.cpp | xargs ${CLANG_FORMAT} -i
COMMENT ${CCOMMENT})
endif()
unset(SRCS)
unset(CCOMMENT)
endif()
# Include source code
# ===================
# This function should be passed a list of all files in a target. It will automatically generate
# file groups following the directory hierarchy, so that the layout of the files in IDEs matches the
# one in the filesystem.
function(create_target_directory_groups target_name)
# Place any files that aren't in the source list in a separate group so that they don't get in
# the way.
source_group("Other Files" REGULAR_EXPRESSION ".")
get_target_property(target_sources "${target_name}" SOURCES)
foreach(file_name IN LISTS target_sources)
get_filename_component(dir_name "${file_name}" PATH)
# Group names use '\' as a separator even though the entire rest of CMake uses '/'...
string(REPLACE "/" "\\" group_name "${dir_name}")
source_group("${group_name}" FILES "${file_name}")
endforeach()
endfunction()
# Gets a UTC timstamp and sets the provided variable to it
function(get_timestamp _var)
string(TIMESTAMP timestamp UTC)
set(${_var} "${timestamp}" PARENT_SCOPE)
endfunction()
# Prevent boost from linking against libs when building
add_definitions(-DBOOST_ERROR_CODE_HEADER_ONLY
-DBOOST_SYSTEM_NO_LIB
-DBOOST_DATE_TIME_NO_LIB
-DBOOST_REGEX_NO_LIB
)
# generate git/build information
include(GetGitRevisionDescription)
get_git_head_revision(GIT_REF_SPEC GIT_REV)
git_describe(GIT_DESC --always --long --dirty)
git_branch_name(GIT_BRANCH)
get_timestamp(BUILD_DATE)
enable_testing()
add_subdirectory(externals)
add_subdirectory(src)
add_subdirectory(dist/installer)
# Set citra-qt project or citra project as default StartUp Project in Visual Studio depending on whether QT is enabled or not
if(ENABLE_QT)
set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT citra-qt)
else()
set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT citra)
endif()
# Installation instructions
# =========================
# Install freedesktop.org metadata files, following those specifications:
# http://standards.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html
# http://standards.freedesktop.org/icon-theme-spec/icon-theme-spec-latest.html
# http://standards.freedesktop.org/shared-mime-info-spec/shared-mime-info-spec-latest.html
if(ENABLE_QT AND UNIX AND NOT APPLE)
install(FILES "${PROJECT_SOURCE_DIR}/dist/citra.desktop"
DESTINATION "${CMAKE_INSTALL_PREFIX}/share/applications")
install(FILES "${PROJECT_SOURCE_DIR}/dist/citra.svg"
DESTINATION "${CMAKE_INSTALL_PREFIX}/share/icons/hicolor/scalable/apps")
install(FILES "${PROJECT_SOURCE_DIR}/dist/citra.xml"
DESTINATION "${CMAKE_INSTALL_PREFIX}/share/mime/packages")
endif()
if(UNIX)
if(ENABLE_SDL2)
install(FILES "${PROJECT_SOURCE_DIR}/dist/citra.6"
DESTINATION "${CMAKE_INSTALL_PREFIX}/share/man/man6")
endif()
if (ENABLE_QT)
install(FILES "${PROJECT_SOURCE_DIR}/dist/citra-qt.6"
DESTINATION "${CMAKE_INSTALL_PREFIX}/share/man/man6")
endif()
endif()
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