mirror of https://github.com/FWGS/hlsdk-xash3d
public: move build.h from engine sources
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/*
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build.h - compile-time build information
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Copyright (C) 2019 a1batross
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#pragma once
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#ifndef BUILD_H
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#define BUILD_H
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// All XASH_* macros set by this header are guaranteed to have positive value otherwise not defined
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// Any new define must be undefined at first
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// You can generate #undef list below with this oneliner:
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// $ cat build.h | sed 's/\t//g' | grep '^#define XASH' | awk '{ print $2 }' | sort | uniq | awk '{ print "#undef " $1 }'
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//
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// So in various buildscripts you can grep for ^#undef XASH and select only second word
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// or in another oneliner:
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// $ cat build.h | grep '^#undef XASH' | awk '{ print $2 }'
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#undef XASH_64BIT
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#undef XASH_AMD64
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#undef XASH_ANDROID
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#undef XASH_APPLE
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#undef XASH_ARM
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#undef XASH_ARM64
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#undef XASH_ARM_HARDFP
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#undef XASH_ARM_SOFTFP
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#undef XASH_ARMv4
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#undef XASH_ARMv5
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#undef XASH_ARMv6
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#undef XASH_ARMv7
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#undef XASH_BIG_ENDIAN
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#undef XASH_BSD
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#undef XASH_E2K
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#undef XASH_EMSCRIPTEN
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#undef XASH_FREEBSD
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#undef XASH_IOS
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#undef XASH_JS
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#undef XASH_LINUX
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#undef XASH_LITTLE_ENDIAN
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#undef XASH_MINGW
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#undef XASH_MIPS
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#undef XASH_MOBILE_PLATFORM
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#undef XASH_MSVC
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#undef XASH_NETBSD
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#undef XASH_OPENBSD
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#undef XASH_WIN32
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#undef XASH_WIN64
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#undef XASH_X86
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//================================================================
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//
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// OPERATING SYSTEM DEFINES
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//
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//================================================================
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#if defined(_WIN32)
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#define XASH_WIN32 1
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#if defined(__MINGW32__)
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#define XASH_MINGW 1
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#elif defined(_MSC_VER)
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#define XASH_MSVC 1
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#endif
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#if defined(_WIN64)
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#define XASH_WIN64 1
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#endif
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#elif defined(__linux__)
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#define XASH_LINUX 1
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#if defined(__ANDROID__)
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#define XASH_ANDROID 1
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#endif // defined(__ANDROID__)
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#elif defined(__APPLE__)
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#include <TargetConditionals.h>
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#define XASH_APPLE 1
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#if TARGET_OS_IOS
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#define XASH_IOS 1
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#endif // TARGET_OS_IOS
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#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
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#define XASH_BSD 1
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#if defined(__FreeBSD__)
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#define XASH_FREEBSD 1
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#elif defined(__NetBSD__)
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#define XASH_NETBSD 1
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#elif defined(__OpenBSD__)
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#define XASH_OPENBSD 1
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#endif
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#elif defined __EMSCRIPTEN__
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#define XASH_EMSCRIPTEN 1
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#else
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#error "Place your operating system name here! If this is a mistake, try to fix conditions above and report a bug"
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#endif
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#if defined XASH_ANDROID || defined XASH_IOS
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#define XASH_MOBILE_PLATFORM 1
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#endif
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//================================================================
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//
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// ENDIANNESS DEFINES
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//
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//================================================================
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#if defined(XASH_LITTLE_ENDIAN) && defined(XASH_BIG_ENDIAN)
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#error "Both XASH_LITTLE_ENDIAN and XASH_BIG_ENDIAN are defined"
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#endif
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#if !defined(XASH_LITTLE_ENDIAN) || !defined(XASH_BIG_ENDIAN)
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#if defined XASH_MSVC || __LITTLE_ENDIAN__
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//!!! Probably all WinNT installations runs in little endian
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#define XASH_LITTLE_ENDIAN 1
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#elif __BIG_ENDIAN__
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#define XASH_BIG_ENDIAN 1
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#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && defined(__ORDER_LITTLE_ENDIAN__) // some compilers define this
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#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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#define XASH_BIG_ENDIAN 1
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#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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#define XASH_LITTLE_ENDIAN 1
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#else
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#error "Unknown endianness!"
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#endif
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#else
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#include <sys/param.h>
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#if __BYTE_ORDER == __BIG_ENDIAN
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#define XASH_BIG_ENDIAN 1
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#elif __BYTE_ORDER == __LITTLE_ENDIAN
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#define XASH_LITTLE_ENDIAN 1
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#else
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#error "Unknown endianness!"
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#endif
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#endif // !XASH_WIN32
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#endif
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//================================================================
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//
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// CPU ARCHITECTURE DEFINES
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//
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//================================================================
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#if defined(__x86_64__) || defined(_M_X64)
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#define XASH_64BIT 1
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#define XASH_AMD64 1
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#elif defined(__i386__) || defined(_X86_) || defined(_M_IX86)
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#define XASH_X86 1
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#elif defined __aarch64__
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#define XASH_64BIT 1
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#define XASH_ARM64 1
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#elif defined __arm__ || defined _M_ARM
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#if defined _M_ARM
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// msvc can only armv7 ?
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#define XASH_ARM 7
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#elif __ARM_ARCH == 7 || __ARM_ARCH_7__
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#define XASH_ARM 7
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#elif __ARM_ARCH == 6 || __ARM_ARCH_6__ || __ARM_ARCH_6J__
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#define XASH_ARM 6
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#elif __ARM_ARCH == 5 || __ARM_ARCH_5__
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#define XASH_ARM 5
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#elif __ARM_ARCH == 4 || __ARM_ARCH_4__
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#define XASH_ARM 4
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#else
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#error "Unknown ARM"
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#endif
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#if defined _M_ARM
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#error "No WinMobile port yet! Need to determine which ARM float ABI msvc uses if applicable"
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#endif
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#if defined __SOFTFP__ || __ARM_PCS_VFP == 0
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#define XASH_ARM_SOFTFP 1
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#else // __SOFTFP__
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#define XASH_ARM_HARDFP 1
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#endif // __SOFTFP__
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#elif defined __mips__
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#define XASH_MIPS 1
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#elif defined __EMSCRIPTEN__
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#define XASH_JS 1
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#elif defined __e2k__
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#define XASH_64BIT 1
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#define XASH_E2K 1
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#else
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#error "Place your architecture name here! If this is a mistake, try to fix conditions above and report a bug"
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#endif
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#if defined(XASH_WAF_DETECTED_64BIT) && !defined(XASH_64BIT)
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#define XASH_64BIT 1
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#endif
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#if XASH_ARM == 7
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#define XASH_ARMv7 1
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#elif XASH_ARM == 6
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#define XASH_ARMv6 1
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#elif XASH_ARM == 5
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#define XASH_ARMv5 1
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#elif XASH_ARM == 4
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#define XASH_ARMv4 1
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#endif
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#endif // BUILD_H
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