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Diffstat (limited to 'third_party/libwebrtc/build/build_config.h')
| -rw-r--r-- | third_party/libwebrtc/build/build_config.h | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/third_party/libwebrtc/build/build_config.h b/third_party/libwebrtc/build/build_config.h new file mode 100644 index 0000000000..c39ae9da50 --- /dev/null +++ b/third_party/libwebrtc/build/build_config.h @@ -0,0 +1,245 @@ +// Copyright (c) 2012 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// This file adds defines about the platform we're currently building on. +// +// Operating System: +// OS_AIX / OS_ANDROID / OS_ASMJS / OS_FREEBSD / OS_FUCHSIA / OS_IOS / +// OS_LINUX / OS_MAC / OS_NACL (SFI or NONSFI) / OS_NETBSD / OS_OPENBSD / +// OS_QNX / OS_SOLARIS / OS_WIN +// Operating System family: +// OS_APPLE: IOS or MAC +// OS_BSD: FREEBSD or NETBSD or OPENBSD +// OS_POSIX: AIX or ANDROID or ASMJS or CHROMEOS or FREEBSD or IOS or LINUX +// or MAC or NACL or NETBSD or OPENBSD or QNX or SOLARIS +// +// /!\ Note: OS_CHROMEOS is set by the build system, not this file +// +// Compiler: +// COMPILER_MSVC / COMPILER_GCC +// +// Processor: +// ARCH_CPU_ARM64 / ARCH_CPU_ARMEL / ARCH_CPU_MIPS / ARCH_CPU_MIPS64 / +// ARCH_CPU_MIPS64EL / ARCH_CPU_MIPSEL / ARCH_CPU_PPC64 / ARCH_CPU_S390 / +// ARCH_CPU_S390X / ARCH_CPU_X86 / ARCH_CPU_X86_64 +// Processor family: +// ARCH_CPU_ARM_FAMILY: ARMEL or ARM64 +// ARCH_CPU_MIPS_FAMILY: MIPS64EL or MIPSEL or MIPS64 or MIPS +// ARCH_CPU_PPC64_FAMILY: PPC64 +// ARCH_CPU_S390_FAMILY: S390 or S390X +// ARCH_CPU_X86_FAMILY: X86 or X86_64 +// Processor features: +// ARCH_CPU_31_BITS / ARCH_CPU_32_BITS / ARCH_CPU_64_BITS +// ARCH_CPU_BIG_ENDIAN / ARCH_CPU_LITTLE_ENDIAN + +#ifndef BUILD_BUILD_CONFIG_H_ +#define BUILD_BUILD_CONFIG_H_ + +// A set of macros to use for platform detection. +#if defined(__native_client__) +// __native_client__ must be first, so that other OS_ defines are not set. +#define OS_NACL 1 +// OS_NACL comes in two sandboxing technology flavors, SFI or Non-SFI. +// PNaCl toolchain defines __native_client_nonsfi__ macro in Non-SFI build +// mode, while it does not in SFI build mode. +#if defined(__native_client_nonsfi__) +#define OS_NACL_NONSFI +#else +#define OS_NACL_SFI +#endif +#elif defined(ANDROID) +#define OS_ANDROID 1 +#elif defined(__APPLE__) +// Only include TargetConditionals after testing ANDROID as some Android builds +// on the Mac have this header available and it's not needed unless the target +// is really an Apple platform. +#include <TargetConditionals.h> +#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE +#define OS_IOS 1 +#else +#define OS_MAC 1 +#endif // defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE +#elif defined(__linux__) +#if !defined(OS_CHROMEOS) +// Do not define OS_LINUX on Chrome OS build. +// The OS_CHROMEOS macro is defined in GN. +#define OS_LINUX 1 +#endif // !defined(OS_CHROMEOS) +// Include a system header to pull in features.h for glibc/uclibc macros. +#include <unistd.h> +#if defined(__GLIBC__) && !defined(__UCLIBC__) +// We really are using glibc, not uClibc pretending to be glibc. +#define LIBC_GLIBC 1 +#endif +#elif defined(_WIN32) +#define OS_WIN 1 +#elif defined(__Fuchsia__) +#define OS_FUCHSIA 1 +#elif defined(__FreeBSD__) +#define OS_FREEBSD 1 +#elif defined(__NetBSD__) +#define OS_NETBSD 1 +#elif defined(__OpenBSD__) +#define OS_OPENBSD 1 +#elif defined(__sun) +#define OS_SOLARIS 1 +#elif defined(__QNXNTO__) +#define OS_QNX 1 +#elif defined(_AIX) +#define OS_AIX 1 +#elif defined(__asmjs__) || defined(__wasm__) +#define OS_ASMJS 1 +#else +#error Please add support for your platform in build/build_config.h +#endif +// NOTE: Adding a new port? Please follow +// https://chromium.googlesource.com/chromium/src/+/main/docs/new_port_policy.md + +#if defined(OS_MAC) || defined(OS_IOS) +#define OS_APPLE 1 +#endif + +// For access to standard BSD features, use OS_BSD instead of a +// more specific macro. +#if defined(OS_FREEBSD) || defined(OS_NETBSD) || defined(OS_OPENBSD) +#define OS_BSD 1 +#endif + +// For access to standard POSIXish features, use OS_POSIX instead of a +// more specific macro. +#if defined(OS_AIX) || defined(OS_ANDROID) || defined(OS_ASMJS) || \ + defined(OS_FREEBSD) || defined(OS_IOS) || defined(OS_LINUX) || \ + defined(OS_CHROMEOS) || defined(OS_MAC) || defined(OS_NACL) || \ + defined(OS_NETBSD) || defined(OS_OPENBSD) || defined(OS_QNX) || \ + defined(OS_SOLARIS) +#define OS_POSIX 1 +#endif + +// Compiler detection. Note: clang masquerades as GCC on POSIX and as MSVC on +// Windows. +#if defined(__GNUC__) +#define COMPILER_GCC 1 +#elif defined(_MSC_VER) +#define COMPILER_MSVC 1 +#else +#error Please add support for your compiler in build/build_config.h +#endif + +// Processor architecture detection. For more info on what's defined, see: +// http://msdn.microsoft.com/en-us/library/b0084kay.aspx +// http://www.agner.org/optimize/calling_conventions.pdf +// or with gcc, run: "echo | gcc -E -dM -" +#if defined(_M_X64) || defined(__x86_64__) +#define ARCH_CPU_X86_FAMILY 1 +#define ARCH_CPU_X86_64 1 +#define ARCH_CPU_64_BITS 1 +#define ARCH_CPU_LITTLE_ENDIAN 1 +#elif defined(_M_IX86) || defined(__i386__) +#define ARCH_CPU_X86_FAMILY 1 +#define ARCH_CPU_X86 1 +#define ARCH_CPU_32_BITS 1 +#define ARCH_CPU_LITTLE_ENDIAN 1 +#elif defined(__s390x__) +#define ARCH_CPU_S390_FAMILY 1 +#define ARCH_CPU_S390X 1 +#define ARCH_CPU_64_BITS 1 +#define ARCH_CPU_BIG_ENDIAN 1 +#elif defined(__s390__) +#define ARCH_CPU_S390_FAMILY 1 +#define ARCH_CPU_S390 1 +#define ARCH_CPU_31_BITS 1 +#define ARCH_CPU_BIG_ENDIAN 1 +#elif (defined(__PPC64__) || defined(__PPC__)) && defined(__BIG_ENDIAN__) +#define ARCH_CPU_PPC64_FAMILY 1 +#define ARCH_CPU_PPC64 1 +#define ARCH_CPU_64_BITS 1 +#define ARCH_CPU_BIG_ENDIAN 1 +#elif defined(__PPC64__) +#define ARCH_CPU_PPC64_FAMILY 1 +#define ARCH_CPU_PPC64 1 +#define ARCH_CPU_64_BITS 1 +#define ARCH_CPU_LITTLE_ENDIAN 1 +#elif defined(__ARMEL__) +#define ARCH_CPU_ARM_FAMILY 1 +#define ARCH_CPU_ARMEL 1 +#define ARCH_CPU_32_BITS 1 +#define ARCH_CPU_LITTLE_ENDIAN 1 +#elif defined(__aarch64__) || defined(_M_ARM64) +#define ARCH_CPU_ARM_FAMILY 1 +#define ARCH_CPU_ARM64 1 +#define ARCH_CPU_64_BITS 1 +#define ARCH_CPU_LITTLE_ENDIAN 1 +#elif defined(__pnacl__) || defined(__asmjs__) || defined(__wasm__) +#define ARCH_CPU_32_BITS 1 +#define ARCH_CPU_LITTLE_ENDIAN 1 +#elif defined(__MIPSEL__) +#if defined(__LP64__) +#define ARCH_CPU_MIPS_FAMILY 1 +#define ARCH_CPU_MIPS64EL 1 +#define ARCH_CPU_64_BITS 1 +#define ARCH_CPU_LITTLE_ENDIAN 1 +#else +#define ARCH_CPU_MIPS_FAMILY 1 +#define ARCH_CPU_MIPSEL 1 +#define ARCH_CPU_32_BITS 1 +#define ARCH_CPU_LITTLE_ENDIAN 1 +#endif +#elif defined(__MIPSEB__) +#if defined(__LP64__) +#define ARCH_CPU_MIPS_FAMILY 1 +#define ARCH_CPU_MIPS64 1 +#define ARCH_CPU_64_BITS 1 +#define ARCH_CPU_BIG_ENDIAN 1 +#else +#define ARCH_CPU_MIPS_FAMILY 1 +#define ARCH_CPU_MIPS 1 +#define ARCH_CPU_32_BITS 1 +#define ARCH_CPU_BIG_ENDIAN 1 +#endif +#elif defined(__riscv) && __riscv_xlen == 64 +#define ARCH_CPU_RISCV64 1 +#define ARCH_CPU_64_BITS 1 +#define ARCH_CPU_LITTLE_ENDIAN 1 +#elif defined(__sparc__) +#if defined(__LP64__) +#define ARCH_CPU_SPARC64 1 +#define ARCH_CPU_64_BITS 1 +#define ARCH_CPU_BIG_ENDIAN 1 +#endif +#define ARCH_CPU_SPARC 1 +#define ARCH_CPU_32_BITS 1 +#define ARCH_CPU_BIG_ENDIAN 1 +#else +#error Please add support for your architecture in build/build_config.h +#endif + +// Type detection for wchar_t. +#if defined(OS_WIN) +#define WCHAR_T_IS_UTF16 +#elif defined(OS_FUCHSIA) +#define WCHAR_T_IS_UTF32 +#elif defined(OS_POSIX) && defined(COMPILER_GCC) && defined(__WCHAR_MAX__) && \ + (__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff) +#define WCHAR_T_IS_UTF32 +#elif defined(OS_POSIX) && defined(COMPILER_GCC) && defined(__WCHAR_MAX__) && \ + (__WCHAR_MAX__ == 0x7fff || __WCHAR_MAX__ == 0xffff) +// On Posix, we'll detect short wchar_t, but projects aren't guaranteed to +// compile in this mode (in particular, Chrome doesn't). This is intended for +// other projects using base who manage their own dependencies and make sure +// short wchar works for them. +#define WCHAR_T_IS_UTF16 +#else +#error Please add support for your compiler in build/build_config.h +#endif + +#if defined(OS_ANDROID) +// The compiler thinks std::string::const_iterator and "const char*" are +// equivalent types. +#define STD_STRING_ITERATOR_IS_CHAR_POINTER +// The compiler thinks std::u16string::const_iterator and "char16*" are +// equivalent types. +#define BASE_STRING16_ITERATOR_IS_CHAR16_POINTER +#endif + +#endif // BUILD_BUILD_CONFIG_H_ |