| // 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_WIN / OS_MACOSX / OS_LINUX / OS_POSIX (MACOSX or LINUX) / | |
| // OS_CHROMEOS is set by the build system | |
| // Compiler: | |
| // COMPILER_MSVC / COMPILER_GCC | |
| // Processor: | |
| // ARCH_CPU_X86 / ARCH_CPU_X86_64 / ARCH_CPU_X86_FAMILY (X86 or X86_64) | |
| // ARCH_CPU_32_BITS / ARCH_CPU_64_BITS | |
| #ifndef BUILD_BUILD_CONFIG_H_ | |
| #define BUILD_BUILD_CONFIG_H_ | |
| #if defined(ANDROID) | |
| #define OS_ANDROID 1 | |
| #elif defined(__APPLE__) | |
| // only include TargetConditions after testing ANDROID as some android builds | |
| // on mac don't have this header available and it's not needed unless the target | |
| // is really mac/ios. | |
| #include <TargetConditionals.h> | |
| #define OS_MACOSX 1 | |
| #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE | |
| #define OS_IOS 1 | |
| #endif // defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE | |
| #elif defined(__linux__) | |
| #define OS_LINUX 1 | |
| // 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(__MSYS__) | |
| #define OS_MSYS 1 | |
| #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__) | |
| #define OS_ASMJS 1 | |
| #elif defined(__HAIKU__) | |
| #define OS_HAIKU 1 | |
| #elif defined(__MVS__) | |
| #include "zos-base.h" | |
| #define OS_ZOS 1 | |
| #else | |
| #error Please add support for your platform in build_config.h | |
| #endif | |
| // NOTE: Adding a new port? Please follow | |
| // https://chromium.googlesource.com/chromium/src/+/master/docs/new_port_policy.md | |
| // 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_LINUX) || defined(OS_MACOSX) || \ | |
| defined(OS_NACL) || defined(OS_NETBSD) || defined(OS_OPENBSD) || \ | |
| defined(OS_QNX) || defined(OS_SOLARIS) || defined(OS_HAIKU) || \ | |
| defined(OS_MSYS) || defined(OS_ZOS) | |
| #define OS_POSIX 1 | |
| #endif | |
| // Use tcmalloc | |
| #if (defined(OS_WIN) || defined(OS_LINUX) || defined(OS_ANDROID)) && \ | |
| !defined(NO_TCMALLOC) | |
| #define USE_TCMALLOC 1 | |
| #endif | |
| // Compiler detection. | |
| #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_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__) | |
| #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__) | |
| #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(__e2k__) | |
| #define ARCH_CPU_64_BITS 1 | |
| #define ARCH_CPU_LITTLE_ENDIAN 1 | |
| #elif defined(__riscv) && (__riscv_xlen == 64) | |
| #define ARCH_CPU_64_BITS 1 | |
| #define ARCH_CPU_LITTLE_ENDIAN 1 | |
| #elif defined(__loongarch__) | |
| #if defined(__LP64__) | |
| #define ARCH_CPU_LOONG_FAMILY 1 | |
| #define ARCH_CPU_LOONG64 1 | |
| #define ARCH_CPU_64_BITS 1 | |
| #define ARCH_CPU_LITTLE_ENDIAN 1 | |
| #else | |
| #define ARCH_CPU_LOONG_FAMILY 1 | |
| #define ARCH_CPU_LOONG32 1 | |
| #define ARCH_CPU_32_BITS 1 | |
| #define ARCH_CPU_LITTLE_ENDIAN 1 | |
| #endif | |
| #else | |
| #error Please add support for your architecture in build_config.h | |
| #endif | |
| #endif // BUILD_BUILD_CONFIG_H_ |