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8#ifndef PXR_ARCH_DEFINES_H
9#define PXR_ARCH_DEFINES_H
17#elif defined(__APPLE__)
18#include "TargetConditionals.h"
28#elif defined(_WIN32) || defined(_WIN64)
29#define ARCH_OS_WINDOWS
36#if defined(i386) || defined(__i386__) || defined(__x86_64__) || \
37 defined(_M_IX86) || defined(_M_X64)
39#elif defined(__arm__) || defined(__aarch64__) || defined(_M_ARM) || \
48#if defined(__x86_64__) || defined(__aarch64__) || defined(_M_X64) || \
52#error "Unsupported architecture. x86_64 or ARM64 required."
60#define ARCH_COMPILER_CLANG
61#define ARCH_COMPILER_CLANG_MAJOR __clang_major__
62#define ARCH_COMPILER_CLANG_MINOR __clang_minor__
63#define ARCH_COMPILER_CLANG_PATCHLEVEL __clang_patchlevel__
64#elif defined(__GNUC__)
65#define ARCH_COMPILER_GCC
66#define ARCH_COMPILER_GCC_MAJOR __GNUC__
67#define ARCH_COMPILER_GCC_MINOR __GNUC_MINOR__
68#define ARCH_COMPILER_GCC_PATCHLEVEL __GNUC_PATCHLEVEL__
70#define ARCH_COMPILER_ICC
71#elif defined(_MSC_VER)
72#define ARCH_COMPILER_MSVC
73#define ARCH_COMPILER_MSVC_VERSION _MSC_VER
81#if defined(ARCH_OS_LINUX) && defined(ARCH_COMPILER_GCC)
82#define ARCH_HAS_GNU_STL_EXTENSIONS
86#if defined(ARCH_OS_LINUX)
87#define ARCH_HAS_MMAP_MAP_POPULATE
96#if defined(ARCH_COMPILER_MSVC)
97 #if !defined(_MSVC_TRADITIONAL) || _MSVC_TRADITIONAL
98 #define ARCH_PREPROCESSOR_MSVC_TRADITIONAL