mirror of
https://github.com/ziglang/zig.git
synced 2025-12-10 08:13:07 +00:00
5b813f1a2a
Prior to this change we would assume the ABI for Apple targets to be GNU which could result in subtle errors in LLVM emitting calls to non-existent system libc provided functions such as `_sincosf` which is a GNU extension and as such is not provided by macOS for example. This would result in linker errors where the linker would not be able to find the said symbol in `libSystem.tbd`. With this change, we now correctly identify macOS (and other Apple platforms) as having ABI `unknown` which translates to unspecified in LLVM under-the-hood: ``` // main.ll target triple = "aarch64-unknown-macos-unknown" ``` Note however that we never suffix the target OS with target version such as `macos11` or `macos12` which means we fail to instruct LLVM of potential optimisations provided by the OS such as the availability of function `___sincosf_stret`. I suggest we investigate that in a follow-up commit.
502 lines
20 KiB
C
Vendored
502 lines
20 KiB
C
Vendored
/*
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* Copyright (c) 2000-2014 by Apple Inc.. All rights reserved.
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*/
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/*
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File: TargetConditionals.h
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Contains: Autoconfiguration of TARGET_ conditionals for Mac OS X and iPhone
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Note: TargetConditionals.h in 3.4 Universal Interfaces works
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with all compilers. This header only recognizes compilers
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known to run on Mac OS X.
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*/
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#ifndef __TARGETCONDITIONALS__
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#define __TARGETCONDITIONALS__
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/****************************************************************************************************
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TARGET_CPU_*
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These conditionals specify which microprocessor instruction set is being
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generated. At most one of these is true, the rest are false.
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TARGET_CPU_PPC - Compiler is generating PowerPC instructions for 32-bit mode
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TARGET_CPU_PPC64 - Compiler is generating PowerPC instructions for 64-bit mode
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TARGET_CPU_68K - Compiler is generating 680x0 instructions
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TARGET_CPU_X86 - Compiler is generating x86 instructions for 32-bit mode
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TARGET_CPU_X86_64 - Compiler is generating x86 instructions for 64-bit mode
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TARGET_CPU_ARM - Compiler is generating ARM instructions for 32-bit mode
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TARGET_CPU_ARM64 - Compiler is generating ARM instructions for 64-bit mode
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TARGET_CPU_MIPS - Compiler is generating MIPS instructions
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TARGET_CPU_SPARC - Compiler is generating Sparc instructions
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TARGET_CPU_ALPHA - Compiler is generating Dec Alpha instructions
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TARGET_OS_*
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These conditionals specify in which Operating System the generated code will
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run. Indention is used to show which conditionals are evolutionary subclasses.
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The MAC/WIN32/UNIX conditionals are mutually exclusive.
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The IOS/TV/WATCH conditionals are mutually exclusive.
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TARGET_OS_WIN32 - Generated code will run under 32-bit Windows
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TARGET_OS_UNIX - Generated code will run under some Unix (not OSX)
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TARGET_OS_MAC - Generated code will run under Mac OS X variant
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TARGET_OS_OSX - Generated code will run under OS X devices
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TARGET_OS_IPHONE - Generated code for firmware, devices, or simulator
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TARGET_OS_IOS - Generated code will run under iOS
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TARGET_OS_TV - Generated code will run under Apple TV OS
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TARGET_OS_WATCH - Generated code will run under Apple Watch OS
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TARGET_OS_BRIDGE - Generated code will run under Bridge devices
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TARGET_OS_MACCATALYST - Generated code will run under macOS
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TARGET_OS_SIMULATOR - Generated code will run under a simulator
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TARGET_OS_EMBEDDED - DEPRECATED: Use TARGET_OS_IPHONE and/or TARGET_OS_SIMULATOR instead
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TARGET_IPHONE_SIMULATOR - DEPRECATED: Same as TARGET_OS_SIMULATOR
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TARGET_OS_NANO - DEPRECATED: Same as TARGET_OS_WATCH
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+----------------------------------------------------------------+
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| TARGET_OS_MAC |
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| +---+ +-----------------------------------------------------+ |
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| | | | TARGET_OS_IPHONE | |
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| |OSX| | +-----+ +----+ +-------+ +--------+ +-------------+ | |
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| | | | | IOS | | TV | | WATCH | | BRIDGE | | MACCATALYST | | |
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| | | | +-----+ +----+ +-------+ +--------+ +-------------+ | |
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| +---+ +-----------------------------------------------------+ |
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+----------------------------------------------------------------+
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TARGET_RT_*
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These conditionals specify in which runtime the generated code will
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run. This is needed when the OS and CPU support more than one runtime
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(e.g. Mac OS X supports CFM and mach-o).
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TARGET_RT_LITTLE_ENDIAN - Generated code uses little endian format for integers
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TARGET_RT_BIG_ENDIAN - Generated code uses big endian format for integers
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TARGET_RT_64_BIT - Generated code uses 64-bit pointers
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TARGET_RT_MAC_CFM - TARGET_OS_MAC is true and CFM68K or PowerPC CFM (TVectors) are used
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TARGET_RT_MAC_MACHO - TARGET_OS_MAC is true and Mach-O/dlyd runtime is used
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****************************************************************************************************/
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/*
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* TARGET_OS conditionals can be enabled via clang preprocessor extensions:
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*
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* __is_target_arch
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* __is_target_vendor
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* __is_target_os
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* __is_target_environment
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*
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* “-target=x86_64-apple-ios12-macabi”
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* TARGET_OS_MAC=1
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* TARGET_OS_IPHONE=1
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* TARGET_OS_IOS=1
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* TARGET_OS_MACCATALYST=1
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*
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* “-target=x86_64-apple-ios12-simulator”
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* TARGET_OS_MAC=1
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* TARGET_OS_IPHONE=1
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* TARGET_OS_IOS=1
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* TARGET_OS_SIMULATOR=1
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*
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* DYNAMIC_TARGETS_ENABLED indicates that the core TARGET_OS macros were enabled via clang preprocessor extensions.
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* If this value is not set, the macro enablements will fall back to the static behavior.
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* It is disabled by default.
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*/
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#if defined(__has_builtin)
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#if __has_builtin(__is_target_arch)
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#if __has_builtin(__is_target_vendor)
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#if __has_builtin(__is_target_os)
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#if __has_builtin(__is_target_environment)
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/* “-target=x86_64-apple-ios12-macabi” */
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#if __is_target_arch(x86_64) && __is_target_vendor(apple) && __is_target_os(ios) && __is_target_environment(macabi)
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#define TARGET_OS_OSX 0
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#define TARGET_OS_IPHONE 1
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#define TARGET_OS_IOS 1
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#define TARGET_OS_WATCH 0
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#define TARGET_OS_TV 0
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#define TARGET_OS_SIMULATOR 0
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#define TARGET_OS_EMBEDDED 0
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#define TARGET_OS_RTKIT 0
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#define TARGET_OS_MACCATALYST 1
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#define TARGET_OS_MACCATALYST 1
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#ifndef TARGET_OS_UIKITFORMAC
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#define TARGET_OS_UIKITFORMAC 1
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#endif
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#define TARGET_OS_DRIVERKIT 0
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#define DYNAMIC_TARGETS_ENABLED 1
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#endif
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/* “-target=x86_64-apple-ios12-simulator” */
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#if __is_target_arch(x86_64) && __is_target_vendor(apple) && __is_target_os(ios) && __is_target_environment(simulator)
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#define TARGET_OS_OSX 0
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#define TARGET_OS_IPHONE 1
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#define TARGET_OS_IOS 1
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#define TARGET_OS_WATCH 0
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#define TARGET_OS_TV 0
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#define TARGET_OS_SIMULATOR 1
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#define TARGET_OS_EMBEDDED 0
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#define TARGET_OS_RTKIT 0
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#define TARGET_OS_MACCATALYST 0
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#define TARGET_OS_MACCATALYST 0
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#ifndef TARGET_OS_UIKITFORMAC
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#define TARGET_OS_UIKITFORMAC 0
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#endif
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#define TARGET_OS_DRIVERKIT 0
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#define DYNAMIC_TARGETS_ENABLED 1
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#endif
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/* -target=x86_64-apple-driverkit19.0 */
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#if __is_target_arch(x86_64) && __is_target_vendor(apple) && __is_target_os(driverkit)
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#define TARGET_OS_OSX 0
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#define TARGET_OS_IPHONE 0
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#define TARGET_OS_IOS 0
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#define TARGET_OS_WATCH 0
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#define TARGET_OS_TV 0
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#define TARGET_OS_SIMULATOR 0
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#define TARGET_OS_EMBEDDED 0
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#define TARGET_OS_RTKIT 0
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#define TARGET_OS_MACCATALYST 0
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#define TARGET_OS_MACCATALYST 0
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#ifndef TARGET_OS_UIKITFORMAC
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#define TARGET_OS_UIKITFORMAC 0
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#endif
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#define TARGET_OS_DRIVERKIT 1
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#define DYNAMIC_TARGETS_ENABLED 1
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#endif
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#endif /* #if __has_builtin(__is_target_environment) */
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#endif /* #if __has_builtin(__is_target_os) */
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#endif /* #if __has_builtin(__is_target_vendor) */
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#endif /* #if __has_builtin(__is_target_arch) */
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#endif /* #if defined(__has_builtin) */
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#ifndef DYNAMIC_TARGETS_ENABLED
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#define DYNAMIC_TARGETS_ENABLED 0
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#endif /* DYNAMIC_TARGETS_ENABLED */
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/*
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* gcc based compiler used on Mac OS X
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*/
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#if defined(__GNUC__) && ( defined(__APPLE_CPP__) || defined(__APPLE_CC__) || defined(__MACOS_CLASSIC__) )
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#define TARGET_OS_MAC 1
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#define TARGET_OS_WIN32 0
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#define TARGET_OS_UNIX 0
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#if !DYNAMIC_TARGETS_ENABLED
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#define TARGET_OS_OSX 1
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#define TARGET_OS_IPHONE 0
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#define TARGET_OS_IOS 0
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#define TARGET_OS_WATCH 0
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#define TARGET_OS_TV 0
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#define TARGET_OS_MACCATALYST 0
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#define TARGET_OS_MACCATALYST 0
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#ifndef TARGET_OS_UIKITFORMAC
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#define TARGET_OS_UIKITFORMAC 0
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#endif
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#define TARGET_OS_SIMULATOR 0
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#define TARGET_OS_EMBEDDED 0
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#define TARGET_OS_RTKIT 0
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#define TARGET_OS_DRIVERKIT 0
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#endif
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#define TARGET_IPHONE_SIMULATOR TARGET_OS_SIMULATOR /* deprecated */
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#define TARGET_OS_NANO TARGET_OS_WATCH /* deprecated */
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#define TARGET_ABI_USES_IOS_VALUES (TARGET_OS_IPHONE && !TARGET_OS_MACCATALYST)
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#if defined(__ppc__)
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#define TARGET_CPU_PPC 1
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#define TARGET_CPU_PPC64 0
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#define TARGET_CPU_68K 0
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#define TARGET_CPU_X86 0
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#define TARGET_CPU_X86_64 0
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#define TARGET_CPU_ARM 0
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#define TARGET_CPU_ARM64 0
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#define TARGET_CPU_MIPS 0
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#define TARGET_CPU_SPARC 0
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#define TARGET_CPU_ALPHA 0
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#define TARGET_RT_LITTLE_ENDIAN 0
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#define TARGET_RT_BIG_ENDIAN 1
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#define TARGET_RT_64_BIT 0
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#ifdef __MACOS_CLASSIC__
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#define TARGET_RT_MAC_CFM 1
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#define TARGET_RT_MAC_MACHO 0
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#else
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#define TARGET_RT_MAC_CFM 0
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#define TARGET_RT_MAC_MACHO 1
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#endif
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#elif defined(__ppc64__)
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#define TARGET_CPU_PPC 0
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#define TARGET_CPU_PPC64 1
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#define TARGET_CPU_68K 0
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#define TARGET_CPU_X86 0
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#define TARGET_CPU_X86_64 0
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#define TARGET_CPU_ARM 0
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#define TARGET_CPU_ARM64 0
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#define TARGET_CPU_MIPS 0
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#define TARGET_CPU_SPARC 0
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#define TARGET_CPU_ALPHA 0
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#define TARGET_RT_LITTLE_ENDIAN 0
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#define TARGET_RT_BIG_ENDIAN 1
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#define TARGET_RT_64_BIT 1
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#define TARGET_RT_MAC_CFM 0
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#define TARGET_RT_MAC_MACHO 1
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#elif defined(__i386__)
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#define TARGET_CPU_PPC 0
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#define TARGET_CPU_PPC64 0
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#define TARGET_CPU_68K 0
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#define TARGET_CPU_X86 1
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#define TARGET_CPU_X86_64 0
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#define TARGET_CPU_ARM 0
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#define TARGET_CPU_ARM64 0
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#define TARGET_CPU_MIPS 0
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#define TARGET_CPU_SPARC 0
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#define TARGET_CPU_ALPHA 0
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#define TARGET_RT_MAC_CFM 0
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#define TARGET_RT_MAC_MACHO 1
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#define TARGET_RT_LITTLE_ENDIAN 1
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#define TARGET_RT_BIG_ENDIAN 0
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#define TARGET_RT_64_BIT 0
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#elif defined(__x86_64__)
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#define TARGET_CPU_PPC 0
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#define TARGET_CPU_PPC64 0
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#define TARGET_CPU_68K 0
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#define TARGET_CPU_X86 0
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#define TARGET_CPU_X86_64 1
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#define TARGET_CPU_ARM 0
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#define TARGET_CPU_ARM64 0
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#define TARGET_CPU_MIPS 0
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#define TARGET_CPU_SPARC 0
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#define TARGET_CPU_ALPHA 0
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#define TARGET_RT_MAC_CFM 0
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#define TARGET_RT_MAC_MACHO 1
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#define TARGET_RT_LITTLE_ENDIAN 1
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#define TARGET_RT_BIG_ENDIAN 0
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#define TARGET_RT_64_BIT 1
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#elif defined(__arm__)
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#define TARGET_CPU_PPC 0
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#define TARGET_CPU_PPC64 0
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#define TARGET_CPU_68K 0
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#define TARGET_CPU_X86 0
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#define TARGET_CPU_X86_64 0
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#define TARGET_CPU_ARM 1
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#define TARGET_CPU_ARM64 0
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#define TARGET_CPU_MIPS 0
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#define TARGET_CPU_SPARC 0
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#define TARGET_CPU_ALPHA 0
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#define TARGET_RT_MAC_CFM 0
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#define TARGET_RT_MAC_MACHO 1
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#define TARGET_RT_LITTLE_ENDIAN 1
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#define TARGET_RT_BIG_ENDIAN 0
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#define TARGET_RT_64_BIT 0
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#elif defined(__arm64__)
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#define TARGET_CPU_PPC 0
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#define TARGET_CPU_PPC64 0
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#define TARGET_CPU_68K 0
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#define TARGET_CPU_X86 0
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#define TARGET_CPU_X86_64 0
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#define TARGET_CPU_ARM 0
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#define TARGET_CPU_ARM64 1
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#define TARGET_CPU_MIPS 0
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#define TARGET_CPU_SPARC 0
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#define TARGET_CPU_ALPHA 0
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#define TARGET_RT_MAC_CFM 0
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#define TARGET_RT_MAC_MACHO 1
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#define TARGET_RT_LITTLE_ENDIAN 1
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#define TARGET_RT_BIG_ENDIAN 0
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#if __LP64__
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#define TARGET_RT_64_BIT 1
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#else
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#define TARGET_RT_64_BIT 0
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#endif
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#else
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#error unrecognized GNU C compiler
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#endif
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/*
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* CodeWarrior compiler from Metrowerks/Motorola
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*/
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#elif defined(__MWERKS__)
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#define TARGET_OS_MAC 1
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#define TARGET_OS_WIN32 0
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#define TARGET_OS_UNIX 0
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#define TARGET_OS_EMBEDDED 0
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#if defined(__POWERPC__)
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#define TARGET_CPU_PPC 1
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#define TARGET_CPU_PPC64 0
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#define TARGET_CPU_68K 0
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#define TARGET_CPU_X86 0
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#define TARGET_CPU_MIPS 0
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#define TARGET_CPU_SPARC 0
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#define TARGET_CPU_ALPHA 0
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#define TARGET_RT_LITTLE_ENDIAN 0
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#define TARGET_RT_BIG_ENDIAN 1
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#elif defined(__INTEL__)
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#define TARGET_CPU_PPC 0
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#define TARGET_CPU_PPC64 0
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#define TARGET_CPU_68K 0
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#define TARGET_CPU_X86 1
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#define TARGET_CPU_MIPS 0
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#define TARGET_CPU_SPARC 0
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#define TARGET_CPU_ALPHA 0
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#define TARGET_RT_LITTLE_ENDIAN 1
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#define TARGET_RT_BIG_ENDIAN 0
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#else
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#error unknown Metrowerks CPU type
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#endif
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#define TARGET_RT_64_BIT 0
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#ifdef __MACH__
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#define TARGET_RT_MAC_CFM 0
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#define TARGET_RT_MAC_MACHO 1
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#else
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#define TARGET_RT_MAC_CFM 1
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#define TARGET_RT_MAC_MACHO 0
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#endif
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/*
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* unknown compiler
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*/
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#else
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#if defined(TARGET_CPU_PPC) && TARGET_CPU_PPC
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#define TARGET_CPU_PPC64 0
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#define TARGET_CPU_68K 0
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#define TARGET_CPU_X86 0
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#define TARGET_CPU_X86_64 0
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#define TARGET_CPU_ARM 0
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#define TARGET_CPU_ARM64 0
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#define TARGET_CPU_MIPS 0
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#define TARGET_CPU_SPARC 0
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#define TARGET_CPU_ALPHA 0
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#elif defined(TARGET_CPU_PPC64) && TARGET_CPU_PPC64
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#define TARGET_CPU_PPC 0
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#define TARGET_CPU_68K 0
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#define TARGET_CPU_X86 0
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#define TARGET_CPU_X86_64 0
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#define TARGET_CPU_ARM 0
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#define TARGET_CPU_ARM64 0
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#define TARGET_CPU_MIPS 0
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#define TARGET_CPU_SPARC 0
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#define TARGET_CPU_ALPHA 0
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#elif defined(TARGET_CPU_X86) && TARGET_CPU_X86
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#define TARGET_CPU_PPC 0
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#define TARGET_CPU_PPC64 0
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#define TARGET_CPU_X86_64 0
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#define TARGET_CPU_68K 0
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#define TARGET_CPU_ARM 0
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#define TARGET_CPU_ARM64 0
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#define TARGET_CPU_MIPS 0
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#define TARGET_CPU_SPARC 0
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#define TARGET_CPU_ALPHA 0
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#elif defined(TARGET_CPU_X86_64) && TARGET_CPU_X86_64
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#define TARGET_CPU_PPC 0
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#define TARGET_CPU_PPC64 0
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#define TARGET_CPU_X86 0
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#define TARGET_CPU_68K 0
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#define TARGET_CPU_ARM 0
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#define TARGET_CPU_ARM64 0
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#define TARGET_CPU_MIPS 0
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#define TARGET_CPU_SPARC 0
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#define TARGET_CPU_ALPHA 0
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#elif defined(TARGET_CPU_ARM) && TARGET_CPU_ARM
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#define TARGET_CPU_PPC 0
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#define TARGET_CPU_PPC64 0
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#define TARGET_CPU_X86 0
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#define TARGET_CPU_X86_64 0
|
|
#define TARGET_CPU_68K 0
|
|
#define TARGET_CPU_ARM64 0
|
|
#define TARGET_CPU_MIPS 0
|
|
#define TARGET_CPU_SPARC 0
|
|
#define TARGET_CPU_ALPHA 0
|
|
#elif defined(TARGET_CPU_ARM64) && TARGET_CPU_ARM64
|
|
#define TARGET_CPU_PPC 0
|
|
#define TARGET_CPU_PPC64 0
|
|
#define TARGET_CPU_X86 0
|
|
#define TARGET_CPU_X86_64 0
|
|
#define TARGET_CPU_68K 0
|
|
#define TARGET_CPU_ARM 0
|
|
#define TARGET_CPU_MIPS 0
|
|
#define TARGET_CPU_SPARC 0
|
|
#define TARGET_CPU_ALPHA 0
|
|
#else
|
|
/*
|
|
NOTE: If your compiler errors out here then support for your compiler
|
|
has not yet been added to TargetConditionals.h.
|
|
|
|
TargetConditionals.h is designed to be plug-and-play. It auto detects
|
|
which compiler is being run and configures the TARGET_ conditionals
|
|
appropriately.
|
|
|
|
The short term work around is to set the TARGET_CPU_ and TARGET_OS_
|
|
on the command line to the compiler (e.g. -DTARGET_CPU_MIPS=1 -DTARGET_OS_UNIX=1)
|
|
|
|
The long term solution is to add a new case to this file which
|
|
auto detects your compiler and sets up the TARGET_ conditionals.
|
|
Then submit the changes to Apple Computer.
|
|
*/
|
|
#error TargetConditionals.h: unknown compiler (see comment above)
|
|
#define TARGET_CPU_PPC 0
|
|
#define TARGET_CPU_68K 0
|
|
#define TARGET_CPU_X86 0
|
|
#define TARGET_CPU_ARM 0
|
|
#define TARGET_CPU_ARM64 0
|
|
#define TARGET_CPU_MIPS 0
|
|
#define TARGET_CPU_SPARC 0
|
|
#define TARGET_CPU_ALPHA 0
|
|
#endif
|
|
#define TARGET_OS_MAC 1
|
|
#define TARGET_OS_WIN32 0
|
|
#define TARGET_OS_UNIX 0
|
|
#define TARGET_OS_EMBEDDED 0
|
|
#if TARGET_CPU_PPC || TARGET_CPU_PPC64
|
|
#define TARGET_RT_BIG_ENDIAN 1
|
|
#define TARGET_RT_LITTLE_ENDIAN 0
|
|
#else
|
|
#define TARGET_RT_BIG_ENDIAN 0
|
|
#define TARGET_RT_LITTLE_ENDIAN 1
|
|
#endif
|
|
#if TARGET_CPU_PPC64 || TARGET_CPU_X86_64
|
|
#define TARGET_RT_64_BIT 1
|
|
#else
|
|
#define TARGET_RT_64_BIT 0
|
|
#endif
|
|
#ifdef __MACH__
|
|
#define TARGET_RT_MAC_MACHO 1
|
|
#define TARGET_RT_MAC_CFM 0
|
|
#else
|
|
#define TARGET_RT_MAC_MACHO 0
|
|
#define TARGET_RT_MAC_CFM 1
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#endif /* __TARGETCONDITIONALS__ */ |