janwas
609be94b8c
fix UNREACHABLE def on unix; string_s: use HAVE_STRING_S; wdbg_sym: fix option set code; explain why search path isn't needed WriteScreenshot: make sure there's enough mem; use Handle to free mem (more efficient+less error prone) This was SVN commit r2779.
308 lines
7.1 KiB
C
Executable File
308 lines
7.1 KiB
C
Executable File
#ifndef CONFIG_H_INCLUDED
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#define CONFIG_H_INCLUDED
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// the config/have macros are always defined; their values (1 or 0) are
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// tested with #if instead of #ifdef.
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// this protects user code from typos such as #ifdef _MSC_VEER, which
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// would silently remove code. instead, we will at least get "test of
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// undefined macro" warnings here. not including this header also triggers
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// such warnings, but won't happen often because we're included from PCH.
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//-----------------------------------------------------------------------------
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// user-specified configuration choices
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//-----------------------------------------------------------------------------
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// allow override via compiler settings by checking #ifndef.
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// enable memory tracking (slow). see mmgr.cpp.
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#ifndef CONFIG_USE_MMGR
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# define CONFIG_USE_MMGR 0
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#endif
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// enable additional debug checks (very slow).
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#ifndef CONFIG_PARANOIA
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# define CONFIG_PARANOIA 0
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#endif
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// try to prevent any exceptions from being thrown - even by the C++
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// standard library. useful only for performance tests.
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#ifndef CONFIG_DISABLE_EXCEPTIONS
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# define CONFIG_DISABLE_EXCEPTIONS 0
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#endif
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//-----------------------------------------------------------------------------
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// auto-detect OS and platform via predefined macros
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//-----------------------------------------------------------------------------
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// rationale:
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// - these macros have consistent names and numerical values; using
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// them saves other code from having to know the obscure predefined macros.
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// - we'd like to use #if/#elif/#endif chains for e.g. OS_* to allow warning
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// if none is selected, but there's no good way to #define all inapplicable
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// settings to 0. doing so up front is hard to maintain and would require
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// #undef before setting any one to 1. #ifndef afterwards for each setting
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// is ugly and brittle as well. we therefore use #if/#else/#endif.
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// compiler
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// 0 if not present, or (major*100 + minor). note that more than
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// one *_VERSION may be non-zero due to interoperability (e.g. ICC with MSC).
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// .. VC
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#ifdef _MSC_VER
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# define MSC_VERSION _MSC_VER
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#else
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# define MSC_VERSION 0
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#endif
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// .. ICC (VC-compatible)
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#if defined(__INTEL_COMPILER)
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# define ICC_VERSION __INTEL_COMPILER
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#else
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# define ICC_VERSION 0
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#endif
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// .. LCC (VC-compatible)
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#if defined(__LCC__)
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# define LCC_VERSION __LCC__
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#else
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# define LCC_VERSION 0
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#endif
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// .. GCC
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#ifdef __GNUC__
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# define GCC_VERSION (__GNUC__*100 + __GNUC_MINOR__)
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#else
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# define GCC_VERSION 0
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#endif
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// STL
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// (checked by STL implementation-specific code in debug_stl).
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// .. Dinkumware
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#if MSC_VERSION
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# include <yvals.h> // defines _CPPLIB_VER
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#endif
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#if defined(_CPPLIB_VER)
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# define STL_DINKUMWARE _CPPLIB_VER
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#else
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# define STL_DINKUMWARE 0
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#endif
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// .. GCC
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#if defined(__GLIBCPP__)
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# define STL_GCC __GLIBCPP__
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#elif defined(__GLIBCXX__)
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# define STL_GCC __GLIBCXX__
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#else
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# define STL_GCC 0
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#endif
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// .. ICC
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#if defined(__INTEL_CXXLIB_ICC)
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# define STL_ICC __INTEL_CXXLIB_ICC
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#else
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# define STL_ICC 0
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#endif
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// OS
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// .. Windows
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#if defined(_WIN32)
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# define OS_WIN 1
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#else
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# define OS_WIN 0
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#endif
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// .. Linux
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#if defined(linux) || defined(__linux) || defined(__linux__)
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# define OS_LINUX 1
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#else
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# define OS_LINUX 0
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#endif
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// .. Mac OS X
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#if defined(__MACOSX__)
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# define OS_MACOSX 1
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#else
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# define OS_MACOSX 0
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#endif
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// .. BSD
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#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
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# define OS_BSD 1
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#else
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# define OS_BSD 0
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#endif
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// .. Solaris
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#if defined(sun) || defined(__sun)
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# define OS_SOLARIS 1
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#else
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# define OS_SOLARIS 0
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#endif
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// .. BeOS
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#if defined(__BEOS__)
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# define OS_BEOS 1
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#else
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# define OS_BEOS 0
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#endif
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// .. Mac OS 9 or below
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#if defined(macintosh)
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# define OS_MAC 1
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#else
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# define OS_MAC 0
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#endif
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// .. Amiga
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#if defined(AMIGA)
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# define OS_AMIGA 1
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#else
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# define OS_AMIGA 0
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#endif
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// .. Unix-based
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#if defined(unix) || defined(__unix) || defined(__unix__) || defined(_XOPEN_SOURCE) || defined(_POSIX_SOURCE)
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# define OS_UNIX 1
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#else
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# define OS_UNIX 0
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#endif
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// convenience: additionally set OS_UNIX for Unix-based OSes
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#if OS_LINUX || OS_MACOSX || OS_BSD || OS_SOLARIS
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# undef OS_UNIX
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# define OS_UNIX 1
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#endif
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// CPU
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// .. IA-32
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#if defined(_M_IX86) || defined(i386) || defined(_X86_)
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# define CPU_IA32 1
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#else
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# define CPU_IA32 0
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#endif
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// .. IA-64
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#if defined(_M_IA64) || defined(__ia64__)
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# define CPU_IA64 1
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#else
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# define CPU_IA64 0
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#endif
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// .. AMD64
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#if defined(_M_AMD64) || defined(__amd64__) || defined(__amd64)
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# define CPU_AMD64 1
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#else
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# define CPU_AMD64 0
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#endif
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// .. Alpha
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#if defined(_M_ALPHA) || defined(__alpha__) || defined(__alpha)
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# define CPU_ALPHA 1
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#else
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# define CPU_ALPHA 0
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#endif
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// .. ARM
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#if defined(__arm__)
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# define CPU_ARM 1
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#else
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# define CPU_ARM 0
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#endif
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// .. MIPS
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#if defined(__MIPS__) || defined(__mips__) || defined(__mips)
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# define CPU_MIPS 1
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#else
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# define CPU_MIPS 0
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#endif
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// byte order
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// if already defined by someone else, assume they are also correct :P
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#ifndef BYTE_ORDER
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# define LITTLE_ENDIAN 0x4321
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# define BIG_ENDIAN 0x1234
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# if CPU_IA32 || CPU_IA64 || CPU_AMD64 || CPU_ALPHA || CPU_ARM || CPU_MIPS || defined(__LITTLE_ENDIAN__)
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# define BYTE_ORDER LITTLE_ENDIAN
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# else
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# define BYTE_ORDER BIG_ENDIAN
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# endif
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#endif
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//-----------------------------------------------------------------------------
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// auto-detect platform features, given the above information
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//-----------------------------------------------------------------------------
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// compiler support for C99
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// (this is more convenient than testing __STDC_VERSION__ directly)
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#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
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# define HAVE_C99 1
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#else
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# define HAVE_C99 0
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#endif
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// gettimeofday()
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#if OS_UNIX
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# define HAVE_GETTIMEOFDAY 1
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#else
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# define HAVE_GETTIMEOFDAY 0
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#endif
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// clock_gettime()
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#if OS_LINUX
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# define HAVE_CLOCK_GETTIME 1
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#else
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# define HAVE_CLOCK_GETTIME 0
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#endif
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// X server
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#if OS_LINUX
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# define HAVE_X 1
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#else
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# define HAVE_X 0
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#endif
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// MSVC/ICC-style __asm{} blocks (Intel syntax)
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#if MSC_VERSION
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# define HAVE_MS_ASM 1
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#else
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# define HAVE_MS_ASM 0
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#endif
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// GNU-style __asm() blocks (AT&T syntax)
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#if __GNUC__
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# define HAVE_GNU_ASM 1
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#else
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# define HAVE_GNU_ASM 0
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#endif
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// precompiled headers (affects what precompiled.h pulls in; see there)
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#if MSC_VERSION || (GCC_VERSION > 304)
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# define HAVE_PCH 1
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#else
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# define HAVE_PCH 0
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#endif
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// VC debug memory allocator / leak detector
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// notes:
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// - PCH is required because it makes sure system headers are included
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// before redefining new (otherwise, tons of errors result);
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// - disabled on ICC9 because the ICC 9.0.006 beta appears to generate
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// incorrect code when we redefine new.
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// TODO: remove when no longer necessary
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#if MSC_VERSION && \
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(!defined(NDEBUG) || defined(TESTING)) && \
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HAVE_PCH && \
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ICC_VERSION != 900
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# define HAVE_VC_DEBUG_ALLOC 1
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#else
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# define HAVE_VC_DEBUG_ALLOC 0
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#endif
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// nonstandard STL containers
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#define HAVE_STL_SLIST 0
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#if STL_DINKUMWARE
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# define HAVE_STL_HASH 1
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#else
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# define HAVE_STL_HASH 0
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#endif
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// safe string functions: strcpy_s et al.
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// these are always available to users: if not provided by the CRT, we
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// implement them ourselves. this flag is only used to skip our impl.
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#if MSC_VERSION >= 1400
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# define HAVE_STRING_S 1
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#else
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# define HAVE_STRING_S 0
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#endif
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#endif // #ifndef CONFIG_H_INCLUDED
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