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- // Copyright 2013 the V8 project authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef V8CONFIG_H_
- #define V8CONFIG_H_
- #ifdef V8_GN_HEADER
- #if __cplusplus >= 201703L && !__has_include("v8-gn.h")
- #error Missing v8-gn.h. The configuration for v8 is missing from the include \
- path. Add it with -I<path> to the command line
- #endif
- #include "v8-gn.h" // NOLINT(build/include_directory)
- #endif
- // clang-format off
- // Platform headers for feature detection below.
- #if defined(__ANDROID__)
- # include <sys/cdefs.h>
- #elif defined(__APPLE__)
- # include <TargetConditionals.h>
- #elif defined(__linux__)
- # include <features.h>
- #endif
- // This macro allows to test for the version of the GNU C library (or
- // a compatible C library that masquerades as glibc). It evaluates to
- // 0 if libc is not GNU libc or compatible.
- // Use like:
- // #if V8_GLIBC_PREREQ(2, 3)
- // ...
- // #endif
- #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
- # define V8_GLIBC_PREREQ(major, minor) \
- ((__GLIBC__ * 100 + __GLIBC_MINOR__) >= ((major) * 100 + (minor)))
- #else
- # define V8_GLIBC_PREREQ(major, minor) 0
- #endif
- // This macro allows to test for the version of the GNU C++ compiler.
- // Note that this also applies to compilers that masquerade as GCC,
- // for example clang and the Intel C++ compiler for Linux.
- // Use like:
- // #if V8_GNUC_PREREQ(4, 3, 1)
- // ...
- // #endif
- #if defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__)
- # define V8_GNUC_PREREQ(major, minor, patchlevel) \
- ((__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) >= \
- ((major) * 10000 + (minor) * 100 + (patchlevel)))
- #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
- # define V8_GNUC_PREREQ(major, minor, patchlevel) \
- ((__GNUC__ * 10000 + __GNUC_MINOR__ * 100) >= \
- ((major) * 10000 + (minor) * 100 + (patchlevel)))
- #else
- # define V8_GNUC_PREREQ(major, minor, patchlevel) 0
- #endif
- // -----------------------------------------------------------------------------
- // Operating system detection (host)
- //
- // V8_OS_ANDROID - Android
- // V8_OS_BSD - BSDish (macOS, Net/Free/Open/DragonFlyBSD)
- // V8_OS_CYGWIN - Cygwin
- // V8_OS_DRAGONFLYBSD - DragonFlyBSD
- // V8_OS_FREEBSD - FreeBSD
- // V8_OS_FUCHSIA - Fuchsia
- // V8_OS_LINUX - Linux (Android, ChromeOS, Linux, ...)
- // V8_OS_DARWIN - Darwin (macOS, iOS)
- // V8_OS_MACOS - macOS
- // V8_OS_IOS - iOS
- // V8_OS_NETBSD - NetBSD
- // V8_OS_OPENBSD - OpenBSD
- // V8_OS_POSIX - POSIX compatible (mostly everything except Windows)
- // V8_OS_QNX - QNX Neutrino
- // V8_OS_SOLARIS - Sun Solaris and OpenSolaris
- // V8_OS_STARBOARD - Starboard (platform abstraction for Cobalt)
- // V8_OS_AIX - AIX
- // V8_OS_WIN - Microsoft Windows
- #if defined(__ANDROID__)
- # define V8_OS_ANDROID 1
- # define V8_OS_LINUX 1
- # define V8_OS_POSIX 1
- # define V8_OS_STRING "android"
- #elif defined(__APPLE__)
- # define V8_OS_POSIX 1
- # define V8_OS_BSD 1
- # define V8_OS_DARWIN 1
- # if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
- # define V8_OS_IOS 1
- # define V8_OS_STRING "ios"
- # else
- # define V8_OS_MACOS 1
- # define V8_OS_STRING "macos"
- # endif // defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
- #elif defined(__CYGWIN__)
- # define V8_OS_CYGWIN 1
- # define V8_OS_POSIX 1
- # define V8_OS_STRING "cygwin"
- #elif defined(__linux__)
- # define V8_OS_LINUX 1
- # define V8_OS_POSIX 1
- # define V8_OS_STRING "linux"
- #elif defined(__sun)
- # define V8_OS_POSIX 1
- # define V8_OS_SOLARIS 1
- # define V8_OS_STRING "sun"
- #elif defined(STARBOARD)
- # define V8_OS_STARBOARD 1
- # define V8_OS_STRING "starboard"
- #elif defined(_AIX)
- # define V8_OS_POSIX 1
- # define V8_OS_AIX 1
- # define V8_OS_STRING "aix"
- #elif defined(__FreeBSD__)
- # define V8_OS_BSD 1
- # define V8_OS_FREEBSD 1
- # define V8_OS_POSIX 1
- # define V8_OS_STRING "freebsd"
- #elif defined(__Fuchsia__)
- # define V8_OS_FUCHSIA 1
- # define V8_OS_POSIX 1
- # define V8_OS_STRING "fuchsia"
- #elif defined(__DragonFly__)
- # define V8_OS_BSD 1
- # define V8_OS_DRAGONFLYBSD 1
- # define V8_OS_POSIX 1
- # define V8_OS_STRING "dragonflybsd"
- #elif defined(__NetBSD__)
- # define V8_OS_BSD 1
- # define V8_OS_NETBSD 1
- # define V8_OS_POSIX 1
- # define V8_OS_STRING "netbsd"
- #elif defined(__OpenBSD__)
- # define V8_OS_BSD 1
- # define V8_OS_OPENBSD 1
- # define V8_OS_POSIX 1
- # define V8_OS_STRING "openbsd"
- #elif defined(__QNXNTO__)
- # define V8_OS_POSIX 1
- # define V8_OS_QNX 1
- # define V8_OS_STRING "qnx"
- #elif defined(_WIN32)
- # define V8_OS_WIN 1
- # define V8_OS_STRING "windows"
- #endif
- // -----------------------------------------------------------------------------
- // Operating system detection (target)
- //
- // V8_TARGET_OS_ANDROID
- // V8_TARGET_OS_FUCHSIA
- // V8_TARGET_OS_IOS
- // V8_TARGET_OS_LINUX
- // V8_TARGET_OS_MACOS
- // V8_TARGET_OS_WIN
- //
- // If not set explicitly, these fall back to corresponding V8_OS_ values.
- #ifdef V8_HAVE_TARGET_OS
- // The target OS is provided, just check that at least one known value is set.
- # if !defined(V8_TARGET_OS_ANDROID) \
- && !defined(V8_TARGET_OS_FUCHSIA) \
- && !defined(V8_TARGET_OS_IOS) \
- && !defined(V8_TARGET_OS_LINUX) \
- && !defined(V8_TARGET_OS_MACOS) \
- && !defined(V8_TARGET_OS_WIN)
- # error No known target OS defined.
- # endif
- #else // V8_HAVE_TARGET_OS
- # if defined(V8_TARGET_OS_ANDROID) \
- || defined(V8_TARGET_OS_FUCHSIA) \
- || defined(V8_TARGET_OS_IOS) \
- || defined(V8_TARGET_OS_LINUX) \
- || defined(V8_TARGET_OS_MACOS) \
- || defined(V8_TARGET_OS_WIN)
- # error A target OS is defined but V8_HAVE_TARGET_OS is unset.
- # endif
- // Fall back to the detected host OS.
- #ifdef V8_OS_ANDROID
- # define V8_TARGET_OS_ANDROID
- #endif
- #ifdef V8_OS_FUCHSIA
- # define V8_TARGET_OS_FUCHSIA
- #endif
- #ifdef V8_OS_IOS
- # define V8_TARGET_OS_IOS
- #endif
- #ifdef V8_OS_LINUX
- # define V8_TARGET_OS_LINUX
- #endif
- #ifdef V8_OS_MACOS
- # define V8_TARGET_OS_MACOS
- #endif
- #ifdef V8_OS_WIN
- # define V8_TARGET_OS_WIN
- #endif
- #endif // V8_HAVE_TARGET_OS
- #if defined(V8_TARGET_OS_ANDROID)
- # define V8_TARGET_OS_STRING "android"
- #elif defined(V8_TARGET_OS_FUCHSIA)
- # define V8_TARGET_OS_STRING "fuchsia"
- #elif defined(V8_TARGET_OS_IOS)
- # define V8_TARGET_OS_STRING "ios"
- #elif defined(V8_TARGET_OS_LINUX)
- # define V8_TARGET_OS_STRING "linux"
- #elif defined(V8_TARGET_OS_MACOS)
- # define V8_TARGET_OS_STRING "macos"
- #elif defined(V8_TARGET_OS_WINDOWS)
- # define V8_TARGET_OS_STRING "windows"
- #else
- # define V8_TARGET_OS_STRING "unknown"
- #endif
- // -----------------------------------------------------------------------------
- // C library detection
- //
- // V8_LIBC_MSVCRT - MSVC libc
- // V8_LIBC_BIONIC - Bionic libc
- // V8_LIBC_BSD - BSD libc derivate
- // V8_LIBC_GLIBC - GNU C library
- // V8_LIBC_UCLIBC - uClibc
- //
- // Note that testing for libc must be done using #if not #ifdef. For example,
- // to test for the GNU C library, use:
- // #if V8_LIBC_GLIBC
- // ...
- // #endif
- #if defined (_MSC_VER)
- # define V8_LIBC_MSVCRT 1
- #elif defined(__BIONIC__)
- # define V8_LIBC_BIONIC 1
- # define V8_LIBC_BSD 1
- #elif defined(__UCLIBC__)
- // Must test for UCLIBC before GLIBC, as UCLIBC pretends to be GLIBC.
- # define V8_LIBC_UCLIBC 1
- #elif defined(__GLIBC__) || defined(__GNU_LIBRARY__)
- # define V8_LIBC_GLIBC 1
- #else
- # define V8_LIBC_BSD V8_OS_BSD
- #endif
- // -----------------------------------------------------------------------------
- // Compiler detection
- //
- // V8_CC_GNU - GCC, or clang in gcc mode
- // V8_CC_INTEL - Intel C++
- // V8_CC_MINGW - Minimalist GNU for Windows
- // V8_CC_MINGW32 - Minimalist GNU for Windows (mingw32)
- // V8_CC_MINGW64 - Minimalist GNU for Windows (mingw-w64)
- // V8_CC_MSVC - Microsoft Visual C/C++, or clang in cl.exe mode
- //
- // C++11 feature detection
- //
- // Compiler-specific feature detection
- //
- // V8_HAS_ATTRIBUTE_ALWAYS_INLINE - __attribute__((always_inline))
- // supported
- // V8_HAS_ATTRIBUTE_NONNULL - __attribute__((nonnull)) supported
- // V8_HAS_ATTRIBUTE_NOINLINE - __attribute__((noinline)) supported
- // V8_HAS_ATTRIBUTE_UNUSED - __attribute__((unused)) supported
- // V8_HAS_ATTRIBUTE_VISIBILITY - __attribute__((visibility)) supported
- // V8_HAS_ATTRIBUTE_WARN_UNUSED_RESULT - __attribute__((warn_unused_result))
- // supported
- // V8_HAS_CPP_ATTRIBUTE_NODISCARD - [[nodiscard]] supported
- // V8_HAS_CPP_ATTRIBUTE_NO_UNIQUE_ADDRESS
- // - [[no_unique_address]] supported
- // V8_HAS_BUILTIN_BSWAP16 - __builtin_bswap16() supported
- // V8_HAS_BUILTIN_BSWAP32 - __builtin_bswap32() supported
- // V8_HAS_BUILTIN_BSWAP64 - __builtin_bswap64() supported
- // V8_HAS_BUILTIN_CLZ - __builtin_clz() supported
- // V8_HAS_BUILTIN_CTZ - __builtin_ctz() supported
- // V8_HAS_BUILTIN_EXPECT - __builtin_expect() supported
- // V8_HAS_BUILTIN_FRAME_ADDRESS - __builtin_frame_address() supported
- // V8_HAS_BUILTIN_POPCOUNT - __builtin_popcount() supported
- // V8_HAS_BUILTIN_SADD_OVERFLOW - __builtin_sadd_overflow() supported
- // V8_HAS_BUILTIN_SSUB_OVERFLOW - __builtin_ssub_overflow() supported
- // V8_HAS_BUILTIN_UADD_OVERFLOW - __builtin_uadd_overflow() supported
- // V8_HAS_COMPUTED_GOTO - computed goto/labels as values
- // supported
- // V8_HAS_DECLSPEC_NOINLINE - __declspec(noinline) supported
- // V8_HAS_DECLSPEC_SELECTANY - __declspec(selectany) supported
- // V8_HAS___FORCEINLINE - __forceinline supported
- //
- // Note that testing for compilers and/or features must be done using #if
- // not #ifdef. For example, to test for Intel C++ Compiler, use:
- // #if V8_CC_INTEL
- // ...
- // #endif
- #if defined(__has_cpp_attribute)
- #define V8_HAS_CPP_ATTRIBUTE(FEATURE) __has_cpp_attribute(FEATURE)
- #else
- #define V8_HAS_CPP_ATTRIBUTE(FEATURE) 0
- #endif
- #if defined(__clang__)
- #if defined(__GNUC__) // Clang in gcc mode.
- # define V8_CC_GNU 1
- #endif
- # define V8_HAS_ATTRIBUTE_ALWAYS_INLINE (__has_attribute(always_inline))
- # define V8_HAS_ATTRIBUTE_NONNULL (__has_attribute(nonnull))
- # define V8_HAS_ATTRIBUTE_NOINLINE (__has_attribute(noinline))
- # define V8_HAS_ATTRIBUTE_UNUSED (__has_attribute(unused))
- # define V8_HAS_ATTRIBUTE_VISIBILITY (__has_attribute(visibility))
- # define V8_HAS_ATTRIBUTE_WARN_UNUSED_RESULT \
- (__has_attribute(warn_unused_result))
- # define V8_HAS_CPP_ATTRIBUTE_NODISCARD (V8_HAS_CPP_ATTRIBUTE(nodiscard))
- # define V8_HAS_CPP_ATTRIBUTE_NO_UNIQUE_ADDRESS \
- (V8_HAS_CPP_ATTRIBUTE(no_unique_address))
- # define V8_HAS_BUILTIN_ASSUME_ALIGNED (__has_builtin(__builtin_assume_aligned))
- # define V8_HAS_BUILTIN_BSWAP16 (__has_builtin(__builtin_bswap16))
- # define V8_HAS_BUILTIN_BSWAP32 (__has_builtin(__builtin_bswap32))
- # define V8_HAS_BUILTIN_BSWAP64 (__has_builtin(__builtin_bswap64))
- # define V8_HAS_BUILTIN_CLZ (__has_builtin(__builtin_clz))
- # define V8_HAS_BUILTIN_CTZ (__has_builtin(__builtin_ctz))
- # define V8_HAS_BUILTIN_EXPECT (__has_builtin(__builtin_expect))
- # define V8_HAS_BUILTIN_FRAME_ADDRESS (__has_builtin(__builtin_frame_address))
- # define V8_HAS_BUILTIN_POPCOUNT (__has_builtin(__builtin_popcount))
- # define V8_HAS_BUILTIN_SADD_OVERFLOW (__has_builtin(__builtin_sadd_overflow))
- # define V8_HAS_BUILTIN_SSUB_OVERFLOW (__has_builtin(__builtin_ssub_overflow))
- # define V8_HAS_BUILTIN_UADD_OVERFLOW (__has_builtin(__builtin_uadd_overflow))
- // Clang has no __has_feature for computed gotos.
- // GCC doc: https://gcc.gnu.org/onlinedocs/gcc/Labels-as-Values.html
- # define V8_HAS_COMPUTED_GOTO 1
- #elif defined(__GNUC__)
- # define V8_CC_GNU 1
- # if defined(__INTEL_COMPILER) // Intel C++ also masquerades as GCC 3.2.0
- # define V8_CC_INTEL 1
- # endif
- # if defined(__MINGW32__)
- # define V8_CC_MINGW32 1
- # endif
- # if defined(__MINGW64__)
- # define V8_CC_MINGW64 1
- # endif
- # define V8_CC_MINGW (V8_CC_MINGW32 || V8_CC_MINGW64)
- // always_inline is available in gcc 4.0 but not very reliable until 4.4.
- // Works around "sorry, unimplemented: inlining failed" build errors with
- // older compilers.
- # define V8_HAS_ATTRIBUTE_ALWAYS_INLINE 1
- # define V8_HAS_ATTRIBUTE_NOINLINE 1
- # define V8_HAS_ATTRIBUTE_UNUSED 1
- # define V8_HAS_ATTRIBUTE_VISIBILITY 1
- # define V8_HAS_ATTRIBUTE_WARN_UNUSED_RESULT (!V8_CC_INTEL)
- // [[nodiscard]] does not work together with with
- // __attribute__((visibility(""))) on GCC 7.4 which is why there is no define
- // for V8_HAS_CPP_ATTRIBUTE_NODISCARD. See https://crbug.com/v8/11707.
- # define V8_HAS_BUILTIN_ASSUME_ALIGNED 1
- # define V8_HAS_BUILTIN_CLZ 1
- # define V8_HAS_BUILTIN_CTZ 1
- # define V8_HAS_BUILTIN_EXPECT 1
- # define V8_HAS_BUILTIN_FRAME_ADDRESS 1
- # define V8_HAS_BUILTIN_POPCOUNT 1
- // GCC doc: https://gcc.gnu.org/onlinedocs/gcc/Labels-as-Values.html
- #define V8_HAS_COMPUTED_GOTO 1
- #endif
- #if defined(_MSC_VER)
- # define V8_CC_MSVC 1
- # define V8_HAS_DECLSPEC_NOINLINE 1
- # define V8_HAS_DECLSPEC_SELECTANY 1
- # define V8_HAS___FORCEINLINE 1
- #endif
- // -----------------------------------------------------------------------------
- // Helper macros
- // A macro used to make better inlining. Don't bother for debug builds.
- // Use like:
- // V8_INLINE int GetZero() { return 0; }
- #if !defined(DEBUG) && V8_HAS_ATTRIBUTE_ALWAYS_INLINE
- # define V8_INLINE inline __attribute__((always_inline))
- #elif !defined(DEBUG) && V8_HAS___FORCEINLINE
- # define V8_INLINE __forceinline
- #else
- # define V8_INLINE inline
- #endif
- #if V8_HAS_BUILTIN_ASSUME_ALIGNED
- # define V8_ASSUME_ALIGNED(ptr, alignment) \
- __builtin_assume_aligned((ptr), (alignment))
- #else
- # define V8_ASSUME_ALIGNED(ptr, alignment) (ptr)
- #endif
- // A macro to mark specific arguments as non-null.
- // Use like:
- // int add(int* x, int y, int* z) V8_NONNULL(1, 3) { return *x + y + *z; }
- #if V8_HAS_ATTRIBUTE_NONNULL
- # define V8_NONNULL(...) __attribute__((nonnull(__VA_ARGS__)))
- #else
- # define V8_NONNULL(...) /* NOT SUPPORTED */
- #endif
- // A macro used to tell the compiler to never inline a particular function.
- // Use like:
- // V8_NOINLINE int GetMinusOne() { return -1; }
- #if V8_HAS_ATTRIBUTE_NOINLINE
- # define V8_NOINLINE __attribute__((noinline))
- #elif V8_HAS_DECLSPEC_NOINLINE
- # define V8_NOINLINE __declspec(noinline)
- #else
- # define V8_NOINLINE /* NOT SUPPORTED */
- #endif
- // A macro (V8_DEPRECATED) to mark classes or functions as deprecated.
- #if defined(V8_DEPRECATION_WARNINGS)
- # define V8_DEPRECATED(message) [[deprecated(message)]]
- #else
- # define V8_DEPRECATED(message)
- #endif
- // A macro (V8_DEPRECATE_SOON) to make it easier to see what will be deprecated.
- #if defined(V8_IMMINENT_DEPRECATION_WARNINGS)
- # define V8_DEPRECATE_SOON(message) [[deprecated(message)]]
- #else
- # define V8_DEPRECATE_SOON(message)
- #endif
- #if defined(__GNUC__) && !defined(__clang__) && (__GNUC__ < 6)
- # define V8_ENUM_DEPRECATED(message)
- # define V8_ENUM_DEPRECATE_SOON(message)
- #else
- # define V8_ENUM_DEPRECATED(message) V8_DEPRECATED(message)
- # define V8_ENUM_DEPRECATE_SOON(message) V8_DEPRECATE_SOON(message)
- #endif
- // A macro to provide the compiler with branch prediction information.
- #if V8_HAS_BUILTIN_EXPECT
- # define V8_UNLIKELY(condition) (__builtin_expect(!!(condition), 0))
- # define V8_LIKELY(condition) (__builtin_expect(!!(condition), 1))
- #else
- # define V8_UNLIKELY(condition) (condition)
- # define V8_LIKELY(condition) (condition)
- #endif
- // Annotate a function indicating the caller must examine the return value.
- // Use like:
- // int foo() V8_WARN_UNUSED_RESULT;
- #if V8_HAS_ATTRIBUTE_WARN_UNUSED_RESULT
- #define V8_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
- #else
- #define V8_WARN_UNUSED_RESULT /* NOT SUPPORTED */
- #endif
- // Annotate a class or constructor indicating the caller must assign the
- // constructed instances.
- // Apply to the whole class like:
- // class V8_NODISCARD Foo() { ... };
- // or apply to just one constructor like:
- // V8_NODISCARD Foo() { ... };
- // [[nodiscard]] comes in C++17 but supported in clang with -std >= c++11.
- #if V8_HAS_CPP_ATTRIBUTE_NODISCARD
- #define V8_NODISCARD [[nodiscard]]
- #else
- #define V8_NODISCARD /* NOT SUPPORTED */
- #endif
- // The no_unique_address attribute allows tail padding in a non-static data
- // member to overlap other members of the enclosing class (and in the special
- // case when the type is empty, permits it to fully overlap other members). The
- // field is laid out as if a base class were encountered at the corresponding
- // point within the class (except that it does not share a vptr with the
- // enclosing object).
- //
- // Apply to a data member like:
- //
- // class Foo {
- // V8_NO_UNIQUE_ADDRESS Bar bar_;
- // };
- //
- // [[no_unique_address]] comes in C++20 but supported in clang with
- // -std >= c++11.
- #if V8_HAS_CPP_ATTRIBUTE_NO_UNIQUE_ADDRESS
- #define V8_NO_UNIQUE_ADDRESS [[no_unique_address]]
- #else
- #define V8_NO_UNIQUE_ADDRESS /* NOT SUPPORTED */
- #endif
- // Helper macro to define no_sanitize attributes only with clang.
- #if defined(__clang__) && defined(__has_attribute)
- #if __has_attribute(no_sanitize)
- #define V8_CLANG_NO_SANITIZE(what) __attribute__((no_sanitize(what)))
- #endif
- #endif
- #if !defined(V8_CLANG_NO_SANITIZE)
- #define V8_CLANG_NO_SANITIZE(what)
- #endif
- #if defined(BUILDING_V8_SHARED) && defined(USING_V8_SHARED)
- #error Inconsistent build configuration: To build the V8 shared library \
- set BUILDING_V8_SHARED, to include its headers for linking against the \
- V8 shared library set USING_V8_SHARED.
- #endif
- #ifdef V8_OS_WIN
- // Setup for Windows DLL export/import. When building the V8 DLL the
- // BUILDING_V8_SHARED needs to be defined. When building a program which uses
- // the V8 DLL USING_V8_SHARED needs to be defined. When either building the V8
- // static library or building a program which uses the V8 static library neither
- // BUILDING_V8_SHARED nor USING_V8_SHARED should be defined.
- #ifdef BUILDING_V8_SHARED
- # define V8_EXPORT __declspec(dllexport)
- #elif USING_V8_SHARED
- # define V8_EXPORT __declspec(dllimport)
- #else
- # define V8_EXPORT
- #endif // BUILDING_V8_SHARED
- #else // V8_OS_WIN
- // Setup for Linux shared library export.
- #if V8_HAS_ATTRIBUTE_VISIBILITY
- # ifdef BUILDING_V8_SHARED
- # define V8_EXPORT __attribute__ ((visibility("default")))
- # else
- # define V8_EXPORT
- # endif
- #else
- # define V8_EXPORT
- #endif
- #endif // V8_OS_WIN
- // The sandbox is available (i.e. defined) when pointer compression
- // is enabled, but it is only used when V8_SANDBOX is enabled as
- // well. This allows better test coverage of the sandbox.
- #if defined(V8_COMPRESS_POINTERS)
- #define V8_SANDBOX_IS_AVAILABLE
- #endif
- #if defined(V8_SANDBOX) && !defined(V8_SANDBOX_IS_AVAILABLE)
- #error Inconsistent configuration: sandbox is enabled but not available
- #endif
- // From C++17 onwards, static constexpr member variables are defined to be
- // "inline", and adding a separate definition for them can trigger deprecation
- // warnings. For C++14 and below, however, these definitions are required.
- #if __cplusplus < 201703L && (!defined(_MSVC_LANG) || _MSVC_LANG < 201703L)
- #define V8_STATIC_CONSTEXPR_VARIABLES_NEED_DEFINITIONS
- #endif
- // clang-format on
- #undef V8_HAS_CPP_ATTRIBUTE
- #endif // V8CONFIG_H_
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