Open Menu / configs / base.xcconfig
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// settings shared by all projects

// language versions
GCC_C_LANGUAGE_STANDARD = c2x
CLANG_CXX_LANGUAGE_STANDARD = c++20
SWIFT_VERSION = 5.0

// clang warnings
CLANG_WARN_EMPTY_BODY = YES
GCC_INLINES_ARE_PRIVATE_EXTERN = YES
GCC_WARN_SHADOW = YES
GCC_WARN_TYPECHECK_CALLS_TO_PRINTF = YES
GCC_ENABLE_CPP_EXCEPTIONS = NO
GCC_ENABLE_CPP_RTTI = NO
GCC_WARN_MISSING_PARENTHESES = YES
GCC_WARN_FOUR_CHARACTER_CONSTANTS = NO
GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES
GCC_WARN_UNINITIALIZED_AUTOS = YES
ENABLE_ATP_WERROR_9999099099000000 = -Werror // Hack to enable -Werror in ATP
WARNING_CFLAGS = $(ENABLE_ATP_WERROR_$(RC_ProjectCanonicalSourceVersion)) -Wmost -Wimplicit-fallthrough -Wno-unknown-pragmas -Wno-assume -Wformat-nonliteral -Wno-vla-extension -Wundef-prefix=SUPPORT_ -Wundef-prefix=TARGET_OS_ -Wno-unused-but-set-variable

// #ifndef __OPEN_SOURCE__
OTHER_CFLAGS[arch=arm64e] = -Xclang -target-feature -Xclang +mte $(inherited)
// #endif

// clang optimization level
GCC_OPTIMIZATION_LEVEL[config=Debug] = 0
GCC_OPTIMIZATION_LEVEL[config=Release] = s

SWIFT_OPTIMIZATION_LEVEL[config=Debug] = -Onone
SWIFT_OPTIMIZATION_LEVEL[config=Release] = -O
SWIFT_COMPILATION_MODE[config=Release] = wholemodule

// clang search paths
USER_HEADER_SEARCH_PATHS    = ./dyld ./common ./mach_o
SYSTEM_HEADER_SEARCH_PATHS  = ./include $(inherited)
ALWAYS_SEARCH_USER_PATHS    = NO

// linker options
DEAD_CODE_STRIPPING = YES
CURRENT_PROJECT_VERSION = $(RC_ProjectSourceVersion)
DYLIB_COMPATIBILITY_VERSION =
DYLIB_CURRENT_VERSION =
VERSIONING_SYSTEM = apple-generic

// Debug builds leave debug info in .o files, Release builds use .dSYM and strip debug map from DSTROOT
DEBUG_INFORMATION_FORMAT_Release = dwarf-with-dsym
DEBUG_INFORMATION_FORMAT_Debug   = dwarf
DEBUG_INFORMATION_FORMAT         = $(DEBUG_INFORMATION_FORMAT_$(CONFIGURATION))
COPY_PHASE_STRIP_Release         = YES
COPY_PHASE_STRIP_Debug           = NO
COPY_PHASE_STRIP                 = $(COPY_PHASE_STRIP_$(CONFIGURATION))
STRIP_INSTALLED_PRODUCT_Release  = YES
STRIP_INSTALLED_PRODUCT_Debug    = NO
STRIP_INSTALLED_PRODUCT          = $(STRIP_INSTALLED_PRODUCT_$(CONFIGURATION))
STRIPFLAGS                       = -S

// #ifndef __OPEN_SOURCE__
// Xcode provides an undocumented way for a user to add a personal xcconfig for all builds, which is used in Xcode development itself:
//    defaults write com.apple.dt.Xcode OverridingXCConfigPath /path/to/Overrides.xcconfig
//
// We can use that to add the necessary configs to setup AMFITrustedKeys. The simple thing to do would be to globally override CODE_SIGN_IDENTITY,
// but then it would not be possible to anything without using that signature. Instead can limit the custom signing operations to just dyld
// by defining a new variable DYLD_USE_AMFI_TRUSTED_KEYS which can be set in the override. This xcconfig then derives CODE_SIGN_IDENTITY from
// DYLD_USE_AMFI_TRUSTED_KEYS, limiting the effect to just dyld.
//
// In order to make this work you need to:
// 1. Configure AMFI trusted keys: https://confluence.sd.apple.com/display/TrustedExecution/How+To%3A+Use+AMFI+Trusted+Keys+for+Code+Signing
// 2. Create an ovveride xcconfig and add the line: "DYLD_USE_AMFI_TRUSTED_KEYS = YES" to it
// 3. Set the default to use the override: defaults write com.apple.dt.Xcode OverridingXCConfigPath /path/to/Overrides.xcconfig
//
// You will need to restart Xcode for the default to take effect, or device for the AMFI key to take effect
//
// AMFITrustedKeys existence is exposed through a number of other open source projects, but OverridingXCConfigPath is not publicly defined anywher, so
// this comment needs to be excluded, but the actually variables set below are fine to publish.
// #endif

DYLD_SIGNING_IDENTITY_ = -
DYLD_SIGNING_IDENTITY_NO = -
DYLD_SIGNING_IDENTITY_YES[sdk=macos*] = Apple Engineer:
DYLD_SIGNING_IDENTITY_YES[sdk=*] = -
TRUSTED_CODE_SIGN_IDENTITY = $(DYLD_SIGNING_IDENTITY_$(DYLD_USE_AMFI_TRUSTED_KEYS))

CODE_SIGN_IDENTITY = -
CODE_SIGN_STYLE = Automatic

SDKROOT = macosx.internal

DEBUG_INFORMATION_FORMAT[config=Debug] = dwarf
DEBUG_INFORMATION_FORMAT[config=Release] = dwarf-with-dsym

GCC_PREPROCESSOR_DEFINITIONS[config=Debug] = DEBUG=1 $(inherited)
SWIFT_ACTIVE_COMPILATION_CONDITIONS[config=Debug] = DEBUG $(inherited)

CLANG_CXX_STANDARD_LIBRARY_HARDENING = none

PRODUCT_NAME = $(TARGET_NAME)
SUPPORTED_PLATFORMS = $(AVAILABLE_PLATFORMS)