264 lines
9.1 KiB
C++
264 lines
9.1 KiB
C++
// Copyright (c) 2011 Marshall A. Greenblatt. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the name Chromium Embedded
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// Framework nor the names of its contributors may be used to endorse
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// or promote products derived from this software without specific prior
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// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/// \file
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/// This file adds defines about the platform we're currently building on.
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///
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/// <pre>
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/// Operating System:
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/// OS_AIX / OS_ANDROID / OS_ASMJS / OS_FREEBSD / OS_FUCHSIA / OS_IOS /
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/// OS_LINUX / OS_MAC / OS_NACL (SFI or NONSFI) / OS_NETBSD / OS_OPENBSD /
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/// OS_QNX / OS_SOLARIS / OS_WIN
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/// Operating System family:
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/// OS_APPLE: IOS or MAC
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/// OS_BSD: FREEBSD or NETBSD or OPENBSD
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/// OS_POSIX: AIX or ANDROID or ASMJS or CHROMEOS or FREEBSD or IOS or LINUX
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/// or MAC or NACL or NETBSD or OPENBSD or QNX or SOLARIS
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///
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/// /!\ Note: OS_CHROMEOS is set by the build system, not this file
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///
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/// Compiler:
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/// COMPILER_MSVC / COMPILER_GCC
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///
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/// Processor:
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/// ARCH_CPU_ARM64 / ARCH_CPU_ARMEL / ARCH_CPU_MIPS / ARCH_CPU_MIPS64 /
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/// ARCH_CPU_MIPS64EL / ARCH_CPU_MIPSEL / ARCH_CPU_PPC64 / ARCH_CPU_S390 /
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/// ARCH_CPU_S390X / ARCH_CPU_X86 / ARCH_CPU_X86_64
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/// Processor family:
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/// ARCH_CPU_ARM_FAMILY: ARMEL or ARM64
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/// ARCH_CPU_MIPS_FAMILY: MIPS64EL or MIPSEL or MIPS64 or MIPS
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/// ARCH_CPU_PPC64_FAMILY: PPC64
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/// ARCH_CPU_S390_FAMILY: S390 or S390X
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/// ARCH_CPU_X86_FAMILY: X86 or X86_64
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/// Processor features:
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/// ARCH_CPU_31_BITS / ARCH_CPU_32_BITS / ARCH_CPU_64_BITS
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/// ARCH_CPU_BIG_ENDIAN / ARCH_CPU_LITTLE_ENDIAN
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/// </pre>
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///
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#ifndef CEF_INCLUDE_BASE_CEF_BUILD_H_
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#define CEF_INCLUDE_BASE_CEF_BUILD_H_
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#pragma once
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#if defined(USING_CHROMIUM_INCLUDES)
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// When building CEF include the Chromium header directly.
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#include "build/build_config.h"
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#else // !USING_CHROMIUM_INCLUDES
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// The following is substantially similar to the Chromium implementation.
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// If the Chromium implementation diverges the below implementation should be
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// updated to match.
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// A set of macros to use for platform detection.
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#if defined(ANDROID)
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#define OS_ANDROID 1
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#elif defined(__APPLE__)
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// Only include TargetConditionals after testing ANDROID as some Android builds
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// on the Mac have this header available and it's not needed unless the target
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// is really an Apple platform.
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#include <TargetConditionals.h>
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#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
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#define OS_IOS 1
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#else
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#define OS_MAC 1
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// For backwards compatibility.
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#define OS_MACOSX 1
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#endif // defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
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#elif defined(__linux__)
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#if !defined(OS_CHROMEOS)
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// Do not define OS_LINUX on Chrome OS build.
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// The OS_CHROMEOS macro is defined in GN.
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#define OS_LINUX 1
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#endif // !defined(OS_CHROMEOS)
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// Include a system header to pull in features.h for glibc/uclibc macros.
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#include <unistd.h>
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#if defined(__GLIBC__) && !defined(__UCLIBC__)
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// We really are using glibc, not uClibc pretending to be glibc.
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#define LIBC_GLIBC 1
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#endif
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#elif defined(_WIN32)
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#define OS_WIN 1
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#elif defined(__Fuchsia__)
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#define OS_FUCHSIA 1
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#elif defined(__FreeBSD__)
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#define OS_FREEBSD 1
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#elif defined(__NetBSD__)
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#define OS_NETBSD 1
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#elif defined(__OpenBSD__)
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#define OS_OPENBSD 1
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#elif defined(__sun)
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#define OS_SOLARIS 1
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#elif defined(__QNXNTO__)
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#define OS_QNX 1
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#elif defined(_AIX)
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#define OS_AIX 1
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#elif defined(__asmjs__) || defined(__wasm__)
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#define OS_ASMJS 1
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#else
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#error Please add support for your platform in include/base/cef_build.h
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#endif
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// NOTE: Adding a new port? Please follow
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// https://chromium.googlesource.com/chromium/src/+/master/docs/new_port_policy.md
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#if defined(OS_MAC) || defined(OS_IOS)
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#define OS_APPLE 1
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#endif
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// For access to standard BSD features, use OS_BSD instead of a
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// more specific macro.
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#if defined(OS_FREEBSD) || defined(OS_NETBSD) || defined(OS_OPENBSD)
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#define OS_BSD 1
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#endif
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// For access to standard POSIXish features, use OS_POSIX instead of a
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// more specific macro.
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#if defined(OS_AIX) || defined(OS_ANDROID) || defined(OS_ASMJS) || \
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defined(OS_FREEBSD) || defined(OS_IOS) || defined(OS_LINUX) || \
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defined(OS_CHROMEOS) || defined(OS_MAC) || defined(OS_NACL) || \
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defined(OS_NETBSD) || defined(OS_OPENBSD) || defined(OS_QNX) || \
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defined(OS_SOLARIS)
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#define OS_POSIX 1
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#endif
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// Compiler detection. Note: clang masquerades as GCC on POSIX and as MSVC on
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// Windows.
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#if defined(__GNUC__)
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#define COMPILER_GCC 1
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#elif defined(_MSC_VER)
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#define COMPILER_MSVC 1
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#else
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#error Please add support for your compiler in build/build_config.h
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#endif
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// Processor architecture detection. For more info on what's defined, see:
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// http://msdn.microsoft.com/en-us/library/b0084kay.aspx
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// http://www.agner.org/optimize/calling_conventions.pdf
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// or with gcc, run: "echo | gcc -E -dM -"
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#if defined(_M_X64) || defined(__x86_64__)
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#define ARCH_CPU_X86_FAMILY 1
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#define ARCH_CPU_X86_64 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(_M_IX86) || defined(__i386__)
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#define ARCH_CPU_X86_FAMILY 1
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#define ARCH_CPU_X86 1
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#define ARCH_CPU_32_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(__s390x__)
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#define ARCH_CPU_S390_FAMILY 1
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#define ARCH_CPU_S390X 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_BIG_ENDIAN 1
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#elif defined(__s390__)
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#define ARCH_CPU_S390_FAMILY 1
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#define ARCH_CPU_S390 1
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#define ARCH_CPU_31_BITS 1
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#define ARCH_CPU_BIG_ENDIAN 1
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#elif (defined(__PPC64__) || defined(__PPC__)) && defined(__BIG_ENDIAN__)
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#define ARCH_CPU_PPC64_FAMILY 1
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#define ARCH_CPU_PPC64 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_BIG_ENDIAN 1
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#elif defined(__PPC64__)
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#define ARCH_CPU_PPC64_FAMILY 1
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#define ARCH_CPU_PPC64 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(__ARMEL__)
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#define ARCH_CPU_ARM_FAMILY 1
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#define ARCH_CPU_ARMEL 1
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#define ARCH_CPU_32_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(__aarch64__) || defined(_M_ARM64)
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#define ARCH_CPU_ARM_FAMILY 1
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#define ARCH_CPU_ARM64 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(__pnacl__) || defined(__asmjs__) || defined(__wasm__)
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#define ARCH_CPU_32_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(__MIPSEL__)
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#if defined(__LP64__)
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#define ARCH_CPU_MIPS_FAMILY 1
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#define ARCH_CPU_MIPS64EL 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#else
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#define ARCH_CPU_MIPS_FAMILY 1
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#define ARCH_CPU_MIPSEL 1
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#define ARCH_CPU_32_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#endif
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#elif defined(__MIPSEB__)
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#if defined(__LP64__)
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#define ARCH_CPU_MIPS_FAMILY 1
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#define ARCH_CPU_MIPS64 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_BIG_ENDIAN 1
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#else
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#define ARCH_CPU_MIPS_FAMILY 1
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#define ARCH_CPU_MIPS 1
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#define ARCH_CPU_32_BITS 1
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#define ARCH_CPU_BIG_ENDIAN 1
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#endif
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#else
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#error Please add support for your architecture in include/base/cef_build.h
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#endif
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// Type detection for wchar_t.
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#if defined(OS_WIN)
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#define WCHAR_T_IS_16_BIT
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#elif defined(OS_FUCHSIA)
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#define WCHAR_T_IS_32_BIT
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#elif defined(OS_POSIX) && defined(COMPILER_GCC) && defined(__WCHAR_MAX__) && \
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(__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff)
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#define WCHAR_T_IS_32_BIT
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#elif defined(OS_POSIX) && defined(COMPILER_GCC) && defined(__WCHAR_MAX__) && \
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(__WCHAR_MAX__ == 0x7fff || __WCHAR_MAX__ == 0xffff)
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// On Posix, we'll detect short wchar_t, but projects aren't guaranteed to
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// compile in this mode (in particular, Chrome doesn't). This is intended for
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// other projects using base who manage their own dependencies and make sure
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// short wchar works for them.
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#define WCHAR_T_IS_16_BIT
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#else
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#error Please add support for your compiler in include/base/cef_build.h
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#endif
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#if defined(OS_ANDROID)
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// The compiler thinks std::string::const_iterator and "const char*" are
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// equivalent types.
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#define STD_STRING_ITERATOR_IS_CHAR_POINTER
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// The compiler thinks std::u16string::const_iterator and "char16_t*" are
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// equivalent types.
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#define BASE_STRING16_ITERATOR_IS_CHAR16_POINTER
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#endif
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#endif // !USING_CHROMIUM_INCLUDES
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#endif // CEF_INCLUDE_BASE_CEF_BUILD_H_
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