mirror of
https://github.com/obsproject/obs-studio.git
synced 2024-07-19 17:49:14 +00:00
eb3d9963a0
Compiler extensions are disabled before the first `project` call to force CMake into considering compilers to not support GNU extensions (even though clang and gcc do). Also sets common clang compiler options so they can be used across all supported platforms. `openmp-simd` support is enabled by default as there is no performance penalty on x86_64 systems and intrinsics are enabled on arm64. Also implements CMake's `CMAKE_COMPILE_WARNING_AS_ERROR` flag to enable the desired behavior and configuration time.
184 lines
8.5 KiB
CMake
184 lines
8.5 KiB
CMake
# OBS CMake macOS Xcode module
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include_guard(GLOBAL)
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set(CMAKE_XCODE_GENERATE_SCHEME TRUE)
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# Use a compiler wrapper to enable ccache in Xcode projects
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if(ENABLE_CCACHE AND CCACHE_PROGRAM)
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configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/macos/resources/ccache-launcher-c.in" ccache-launcher-c)
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configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/macos/resources/ccache-launcher-cxx.in" ccache-launcher-cxx)
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execute_process(COMMAND chmod a+rx "${CMAKE_CURRENT_BINARY_DIR}/ccache-launcher-c"
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"${CMAKE_CURRENT_BINARY_DIR}/ccache-launcher-cxx")
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set(CMAKE_XCODE_ATTRIBUTE_CC "${CMAKE_CURRENT_BINARY_DIR}/ccache-launcher-c")
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set(CMAKE_XCODE_ATTRIBUTE_CXX "${CMAKE_CURRENT_BINARY_DIR}/ccache-launcher-cxx")
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set(CMAKE_XCODE_ATTRIBUTE_LD "${CMAKE_C_COMPILER}")
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set(CMAKE_XCODE_ATTRIBUTE_LDPLUSPLUS "${CMAKE_CXX_COMPILER}")
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endif()
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# Set project variables
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set(CMAKE_XCODE_ATTRIBUTE_CURRENT_PROJECT_VERSION ${OBS_BUILD_NUMBER})
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set(CMAKE_XCODE_ATTRIBUTE_DYLIB_COMPATIBILITY_VERSION 1.0.0)
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set(CMAKE_XCODE_ATTRIBUTE_MARKETING_VERSION ${OBS_VERSION_CANONICAL})
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# Set deployment target
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set(CMAKE_XCODE_ATTRIBUTE_MACOSX_DEPLOYMENT_TARGET ${CMAKE_OSX_DEPLOYMENT_TARGET})
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if(NOT OBS_PROVISIONING_PROFILE)
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set(OBS_PROVISIONING_PROFILE
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""
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CACHE STRING "OBS provisioning profile name for macOS" FORCE)
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else()
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set(CMAKE_XCODE_ATTRIBUTE_PROVISIONING_PROFILE_NAME "${OBS_PROVISIONING_PROFILE}")
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endif()
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if(NOT OBS_CODESIGN_TEAM)
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# Switch to manual codesigning if no codesigning team is provided
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set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGN_STYLE Manual)
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set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY "${OBS_CODESIGN_IDENTITY}")
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else()
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if(OBS_CODESIGN_IDENTITY AND NOT OBS_CODESIGN_IDENTITY STREQUAL "-")
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# Switch to manual codesigning if a non-adhoc codesigning identity is provided
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set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGN_STYLE Manual)
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set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY "${OBS_CODESIGN_IDENTITY}")
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else()
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# Switch to automatic codesigning via valid team ID
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set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGN_STYLE Automatic)
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set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY "Apple Development")
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endif()
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set(CMAKE_XCODE_ATTRIBUTE_DEVELOPMENT_TEAM "${OBS_CODESIGN_TEAM}")
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endif()
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# Only create a single Xcode project file
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set(CMAKE_XCODE_GENERATE_TOP_LEVEL_PROJECT_ONLY TRUE)
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# Add all libraries to project link phase (lets Xcode handle linking)
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set(CMAKE_XCODE_LINK_BUILD_PHASE_MODE KNOWN_LOCATION)
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# Enable codesigning with secure timestamp when not in Debug configuration (required for Notarization)
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set(CMAKE_XCODE_ATTRIBUTE_OTHER_CODE_SIGN_FLAGS[variant=Release] "--timestamp")
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set(CMAKE_XCODE_ATTRIBUTE_OTHER_CODE_SIGN_FLAGS[variant=RelWithDebInfo] "--timestamp")
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set(CMAKE_XCODE_ATTRIBUTE_OTHER_CODE_SIGN_FLAGS[variant=MinSizeRel] "--timestamp")
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# Enable codesigning with hardened runtime option when not in Debug configuration (required for Notarization)
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set(CMAKE_XCODE_ATTRIBUTE_ENABLE_HARDENED_RUNTIME[variant=Release] YES)
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set(CMAKE_XCODE_ATTRIBUTE_ENABLE_HARDENED_RUNTIME[variant=RelWithDebInfo] YES)
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set(CMAKE_XCODE_ATTRIBUTE_ENABLE_HARDENED_RUNTIME[variant=MinSizeRel] YES)
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# Disable injection of Xcode's base entitlements used for debugging when not in Debug configuration (required for
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# Notarization)
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set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGN_INJECT_BASE_ENTITLEMENTS[variant=Release] NO)
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set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGN_INJECT_BASE_ENTITLEMENTS[variant=RelWithDebInfo] NO)
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set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGN_INJECT_BASE_ENTITLEMENTS[variant=MinSizeRel] NO)
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# Use Swift version 5.0 by default
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set(CMAKE_XCODE_ATTRIBUTE_SWIFT_VERSION 5.0)
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# Use DWARF with separate dSYM files when in Release or MinSizeRel configuration.
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#
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# * Currently overruled by CMake's Xcode generator, requires adding '-g' flag to raw compiler command line for desired
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# output configuration. Report to KitWare.
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#
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set(CMAKE_XCODE_ATTRIBUTE_DEBUG_INFORMATION_FORMAT[variant=Debug] dwarf)
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set(CMAKE_XCODE_ATTRIBUTE_DEBUG_INFORMATION_FORMAT[variant=RelWithDebInfo] dwarf)
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set(CMAKE_XCODE_ATTRIBUTE_DEBUG_INFORMATION_FORMAT[variant=Release] dwarf-with-dsym)
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set(CMAKE_XCODE_ATTRIBUTE_DEBUG_INFORMATION_FORMAT[variant=MinSizeRel] dwarf-with-dsym)
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# Make all symbols hidden by default (currently overriden by CMake's compiler flags)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_SYMBOLS_PRIVATE_EXTERN YES)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_INLINES_ARE_PRIVATE_EXTERN YES)
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# Strip unused code
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set(CMAKE_XCODE_ATTRIBUTE_DEAD_CODE_STRIPPING YES)
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# Display mangled names in Debug configuration
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set(CMAKE_XCODE_ATTRIBUTE_LINKER_DISPLAYS_MANGLED_NAMES[variant=Debug] YES)
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# Build active architecture only in Debug configuration
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set(CMAKE_XCODE_ATTRIBUTE_ONLY_ACTIVE_ARCH[variant=Debug] YES)
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# Enable testability in Debug configuration
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set(CMAKE_XCODE_ATTRIBUTE_ENABLE_TESTABILITY[variant=Debug] YES)
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# Disable using ARC in ObjC by default (OBS does not support this - yet)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_ENABLE_OBJC_ARC NO)
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# Enable weak references in manual retain release
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_ENABLE_OBJC_WEAK YES)
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# Disable strict aliasing
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set(CMAKE_XCODE_ATTRIBUTE_GCC_STRICT_ALIASING NO)
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# Set C++ language default to c17
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#
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# * CMake explicitly sets the version via compiler flag when transitive dependencies require specific compiler feature
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# set, resulting in the flag being added twice. Report to KitWare as a feature request for Xcode generator
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#
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# set(CMAKE_XCODE_ATTRIBUTE_GCC_C_LANGUAGE_STANDARD c17)
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#
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# Set C++ language default to c++17
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#
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# * See above. Report to KitWare as a feature request for Xcode generator
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#
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# set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD c++17)
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# Enable support for module imports in ObjC
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_ENABLE_MODULES NO)
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# Enable automatic linking of imported modules in ObjC
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_MODULES_AUTOLINK NO)
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# Enable strict msg_send rules for ObjC
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set(CMAKE_XCODE_ATTRIBUTE_ENABLE_STRICT_OBJC_MSGSEND YES)
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# Set default warnings for ObjC and C++
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING YES_ERROR)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_BOOL_CONVERSION YES)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS YES)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_COMMA YES)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_CONSTANT_CONVERSION YES)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_EMPTY_BODY YES)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_ENUM_CONVERSION YES)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_INFINITE_RECURSION YES)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_INT_CONVERSION YES)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_NON_LITERAL_NULL_CONVERSION YES)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF YES)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_OBJC_LITERAL_CONVERSION YES)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK YES)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER YES)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_RANGE_LOOP_ANALYSIS YES)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_STRICT_PROTOTYPES NO)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_SUSPICIOUS_IMPLICIT_CONVERSION NO)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_SUSPICIOUS_MOVE YES)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_UNREACHABLE_CODE YES)
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set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN__DUPLICATE_METHOD_MATCH YES)
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# Set default warnings for C and C++
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set(CMAKE_XCODE_ATTRIBUTE_GCC_NO_COMMON_BLOCKS YES)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_64_TO_32_BIT_CONVERSION YES)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_ABOUT_MISSING_FIELD_INITIALIZERS NO)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_ABOUT_MISSING_NEWLINE YES)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_ABOUT_RETURN_TYPE YES_ERROR)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_CHECK_SWITCH_STATEMENTS YES)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_FOUR_CHARACTER_CONSTANTS YES)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_SHADOW NO)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_SIGN_COMPARE YES)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_TYPECHECK_CALLS_TO_PRINTF YES)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_UNDECLARED_SELECTOR YES)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_UNINITIALIZED_AUTOS YES)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_UNUSED_FUNCTION NO)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_UNUSED_PARAMETER YES)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_UNUSED_VALUE YES)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_UNUSED_VARIABLE YES)
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# Add additional warning compiler flags
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set(CMAKE_XCODE_ATTRIBUTE_WARNING_CFLAGS "-Wvla -Wformat-security -Wno-error=shorten-64-to-32")
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if(CMAKE_COMPILE_WARNING_AS_ERROR)
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set(CMAKE_XCODE_ATTRIBUTE_GCC_TREAT_WARNINGS_AS_ERRORS YES)
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endif()
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# Enable color diagnostics
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set(CMAKE_COLOR_DIAGNOSTICS TRUE)
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# Disable usage of RPATH in build or install configurations
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set(CMAKE_SKIP_RPATH TRUE)
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# Have Xcode set default RPATH entries
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set(CMAKE_XCODE_ATTRIBUTE_LD_RUNPATH_SEARCH_PATHS "@executable_path/../Frameworks")
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