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citra/src/CMakeLists.txt

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CMake
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# Enable modules to include each other's files
include_directories(.)
# CMake seems to only define _DEBUG on Windows
set_property(DIRECTORY APPEND PROPERTY
COMPILE_DEFINITIONS $<$<CONFIG:Debug>:_DEBUG> $<$<NOT:$<CONFIG:Debug>>:NDEBUG>)
if (ENABLE_LTO)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
endif()
# Set compilation flags
if (MSVC)
set(CMAKE_CONFIGURATION_TYPES Debug Release CACHE STRING "" FORCE)
# Silence "deprecation" warnings
add_definitions(-D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS)
# Avoid windows.h junk
add_definitions(-DNOMINMAX)
# Avoid windows.h from including some usually unused libs like winsocks.h, since this might cause some redefinition errors.
add_definitions(-DWIN32_LEAN_AND_MEAN)
# Ensure that projects build with Unicode support.
add_definitions(-DUNICODE -D_UNICODE)
# /W3 - Level 3 warnings
# /MP - Multi-threaded compilation
# /Zi - Output debugging information
# /Zm - Specifies the precompiled header memory allocation limit
# /Zo - Enhanced debug info for optimized builds
# /permissive- - Enables stricter C++ standards conformance checks
# /EHsc - C++-only exception handling semantics
# /utf-8 - Set source and execution character sets to UTF-8
# /volatile:iso - Use strict standards-compliant volatile semantics.
# /Zc:externConstexpr - Allow extern constexpr variables to have external linkage, like the standard mandates
# /Zc:inline - Let codegen omit inline functions in object files
# /Zc:throwingNew - Let codegen assume `operator new` (without std::nothrow) will never return null
# /GT - Supports fiber safety for data allocated using static thread-local storage
add_compile_options(
/MP
/Zm200
/Zo
/permissive-
/EHsc
/utf-8
/volatile:iso
/Zc:externConstexpr
/Zc:inline
/Zc:throwingNew
/GT
# Some flags for more deterministic builds, to aid caching.
/experimental:deterministic
/d1trimfile:"${CMAKE_SOURCE_DIR}"
# External headers diagnostics
/experimental:external # Enables the external headers options. This option isn't required in Visual Studio 2019 version 16.10 and later
/external:anglebrackets # Treats all headers included by #include <header>, where the header file is enclosed in angle brackets (< >), as external headers
/external:W0 # Sets the default warning level to 0 for external headers, effectively turning off warnings for external headers
# Warnings
/W3
/we4062 # Enumerator 'identifier' in a switch of enum 'enumeration' is not handled
/we4189 # 'identifier': local variable is initialized but not referenced
/we4265 # 'class': class has virtual functions, but destructor is not virtual
/we4388 # 'expression': signed/unsigned mismatch
/we4389 # 'operator': signed/unsigned mismatch
/we4456 # Declaration of 'identifier' hides previous local declaration
/we4457 # Declaration of 'identifier' hides function parameter
# /we4458 TODO: Enable me # Declaration of 'identifier' hides class member
/we4459 # Declaration of 'identifier' hides global declaration
/we4505 # 'function': unreferenced local function has been removed
/we4547 # 'operator': operator before comma has no effect; expected operator with side-effect
/we4549 # 'operator1': operator before comma has no effect; did you intend 'operator2'?
/we4555 # Expression has no effect; expected expression with side-effect
/we4826 # Conversion from 'type1' to 'type2' is sign-extended. This may cause unexpected runtime behavior.
/we5038 # data member 'member1' will be initialized after data member 'member2'
/we5233 # explicit lambda capture 'identifier' is not used
/we5245 # 'function': unreferenced function with internal linkage has been removed
/wd4100 # 'identifier': unreferenced formal parameter
/wd4324 # 'struct_name': structure was padded due to __declspec(align())
)
if (CITRA_WARNINGS_AS_ERRORS)
add_compile_options(/WX)
endif()
# Since MSVC's debugging information is not very deterministic, so we have to disable it
# when using ccache or other caching tools
if (CMAKE_C_COMPILER_LAUNCHER STREQUAL "ccache" OR CMAKE_CXX_COMPILER_LAUNCHER STREQUAL "ccache"
OR CITRA_USE_PRECOMPILED_HEADERS)
# Precompiled headers are deleted if not using /Z7. See https://github.com/nanoant/CMakePCHCompiler/issues/21
add_compile_options(/Z7)
else()
add_compile_options(/Zi)
endif()
# /GS- - No stack buffer overflow checks
add_compile_options("$<$<CONFIG:Release>:/GS->")
set(CMAKE_EXE_LINKER_FLAGS_DEBUG "/DEBUG /MANIFEST:NO" CACHE STRING "" FORCE)
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/DEBUG /MANIFEST:NO /INCREMENTAL:NO /OPT:REF,ICF /PDBALTPATH:%_PDB%" CACHE STRING "" FORCE)
else()
add_compile_options(
-Wall
# In case a flag isn't supported on e.g. a certain architecture, don't error.
-Wno-unused-command-line-argument
# Build fortification options
-Wp,-D_FORTIFY_SOURCE=2
-Wp,-D_GLIBCXX_ASSERTIONS
-fstack-protector-strong
-fstack-clash-protection
)
if (CITRA_WARNINGS_AS_ERRORS)
add_compile_options(-Werror)
endif()
if (APPLE AND CMAKE_CXX_COMPILER_ID STREQUAL Clang)
add_compile_options("-stdlib=libc++")
endif()
if (CMAKE_CXX_COMPILER_ID STREQUAL GNU)
# GCC may warn when it ignores attributes like maybe_unused,
# which is a problem for older versions (e.g. GCC 11).
add_compile_options("-Wno-attributes")
add_compile_options("-Wno-interference-size")
endif()
if (MINGW)
add_definitions(-DMINGW_HAS_SECURE_API)
if (COMPILE_WITH_DWARF)
add_compile_options("-gdwarf")
endif()
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Linux" OR MINGW)
# Set file offset size to 64 bits.
#
# On modern Unixes, this is typically already the case. The lone exception is
# glibc, which may default to 32 bits. glibc allows this to be configured
# by setting _FILE_OFFSET_BITS.
add_definitions(-D_FILE_OFFSET_BITS=64)
# GNU ar: Create thin archive files.
# Requires binutils-2.19 or later.
set(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> qcTP <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_C_ARCHIVE_APPEND "<CMAKE_AR> qTP <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> qcTP <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_CXX_ARCHIVE_APPEND "<CMAKE_AR> qTP <TARGET> <LINK_FLAGS> <OBJECTS>")
endif()
endif()
add_subdirectory(common)
add_subdirectory(core)
add_subdirectory(video_core)
add_subdirectory(audio_core)
add_subdirectory(network)
add_subdirectory(input_common)
if (ENABLE_TESTS)
add_subdirectory(tests)
endif()
if (ENABLE_SDL2 AND ENABLE_SDL2_FRONTEND)
add_subdirectory(citra)
endif()
if (ENABLE_QT)
add_subdirectory(citra_qt)
endif()
if (ENABLE_DEDICATED_ROOM)
add_subdirectory(dedicated_room)
endif()
if (ANDROID)
add_subdirectory(android/app/src/main/jni)
target_include_directories(citra-android PRIVATE android/app/src/main)
endif()
if (ENABLE_WEB_SERVICE)
add_subdirectory(web_service)
endif()
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