151 lines
4.8 KiB
C
151 lines
4.8 KiB
C
// This file adds defines about the platform we're currently building on.
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// Operating System:
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// OS_WIN / OS_MACOSX / OS_IOS / OS_POSIX (MACOSX or LINUX or IOS)
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// Compiler:
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// OMPILER_MSVC / COMPILER_GCC
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// Processor:
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// ARCH_CPU_X86 / ARCH_CPU_X86_64 / ARCH_CPU_X86_FAMILY (X86 or X86_64)
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// ARCH_CPU_32_BITS / ARCH_CPU_64_BITS
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// Byte_Order:
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// NETEASE_BIG_ENDIAN / NETEASE_LITTLE_ENDIAN
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#ifndef BUILD_BUILD_CONFIG_H_
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#define BUILD_BUILD_CONFIG_H_
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// Define platform macro
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#if defined(_WIN32)
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#define OS_WIN 1
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#elif defined(__APPLE__) && (defined(__i386__) || defined(__ARMEL__))
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#define OS_IOS 1
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#elif defined(__APPLE__)
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#define OS_MACOSX 1
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#elif defined(__linux__)
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#define OS_LINUX 1
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#elif defined(__FreeBSD__)
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#define OS_FREEBSD 1
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#else
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#error Please add support for your platform in build/build_config.h
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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_MACOSX) || defined(OS_IOS) || defined(OS_LINUX) || defined(OS_FREEBSD)
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#define OS_POSIX 1
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// Use base::DataPack for name/value pairs.
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#define USE_BASE_DATA_PACK 1
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#endif
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// Use tcmalloc
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#if (defined(OS_WIN) || defined(OS_POSIX)) && !defined(NO_TCMALLOC)
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#define USE_TCMALLOC 1
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#endif
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// Compiler detection.
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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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#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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#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 WCHAR_T_IS_UNSIGNED 1
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#else
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#error Please add support for your architecture in build/build_config.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_UTF16
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#elif defined(OS_POSIX) && defined(COMPILER_GCC) && \
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defined(__WCHAR_MAX__) && \
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(__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff)
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#define WCHAR_T_IS_UTF32
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#elif defined(OS_POSIX) && defined(COMPILER_GCC) && \
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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_UTF16
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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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// GNU libc offers the helpful header <endian.h> which defines
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// __BYTE_ORDER
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#if defined(__GLIBC__)
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#include <endian.h>
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#if (__BYTE_ORDER == __LITTLE_ENDIAN)
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#define NETEASE_LITTLE_ENDIAN
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#elif (__BYTE_ORDER == __BIG_ENDIAN)
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#define NETEASE_BIG_ENDIAN
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#elif (__BYTE_ORDER == __PDP_ENDIAN)
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#define NETEASE_PDP_ENDIAN
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#else
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#error Unknown machine endianness detected.
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#endif
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#define NETEASE_BYTE_ORDER __BYTE_ORDER
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#elif defined(_BIG_ENDIAN)
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#define NETEASE_BIG_ENDIAN
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#define NETEASE_BYTE_ORDER 4321
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#elif defined(_LITTLE_ENDIAN)
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# define NETEASE_LITTLE_ENDIAN
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# define NETEASE_BYTE_ORDER 1234
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#elif defined(__sparc) || defined(__sparc__) \
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|| defined(_POWER) || defined(__powerpc__) \
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|| defined(__ppc__) || defined(__hpux) \
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|| defined(_MIPSEB) || defined(_POWER) \
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|| defined(_MIPSEB) || defined(_POWER) \
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|| defined(__s390__)
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# define NETEASE_BIG_ENDIAN
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# define NETEASE_BYTE_ORDER 4321
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#elif defined(__i386__) || defined(__alpha__) \
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|| defined(__ia64) || defined(__ia64__) \
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|| defined(_M_IX86) || defined(_M_IA64) \
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|| defined(_M_ALPHA) || defined(__amd64) \
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|| defined(__amd64__) || defined(_M_AMD64) \
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|| defined(__x86_64) || defined(__x86_64__) \
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|| defined(_M_X64) || defined (__ARMEL__)
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# define NETEASE_LITTLE_ENDIAN
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# define NETEASE_BYTE_ORDER 1234
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#else
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# error Please set up your byte order in build/build_config.h.
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#endif
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// Collapse the plethora of ARM flavors available to an easier to manage set
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// Defs reference is at https://wiki.edubuntu.org/ARM/Thumb2PortingHowto
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#if defined(__ARM_ARCH_6__) || \
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defined(__ARM_ARCH_6J__) || \
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defined(__ARM_ARCH_6K__) || \
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defined(__ARM_ARCH_6Z__) || \
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defined(__ARM_ARCH_6T2__) || \
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defined(__ARM_ARCH_6ZK__) || \
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defined(__ARM_ARCH_7__) || \
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defined(__ARM_ARCH_7A__) || \
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defined(__ARM_ARCH_7R__) || \
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defined(__ARM_ARCH_7M__)
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#define ARMV6_OR_7 1
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#endif
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#endif // BUILD_BUILD_CONFIG_H_
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