/indra/llcommon/llpreprocessor.h
C Header | 183 lines | 113 code | 24 blank | 46 comment | 12 complexity | a2a878d27cb31fde18dab4fcb2e39ea8 MD5 | raw file
Possible License(s): LGPL-2.1
- /**
- * @file llpreprocessor.h
- * @brief This file should be included in all Linden Lab files and
- * should only contain special preprocessor directives
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
- * $/LicenseInfo$
- */
- #ifndef LLPREPROCESSOR_H
- #define LLPREPROCESSOR_H
- // Figure out endianness of platform
- #ifdef LL_LINUX
- #define __ENABLE_WSTRING
- #include <endian.h>
- #endif // LL_LINUX
- #if LL_SOLARIS
- # ifdef __sparc // Since we're talking Solaris 10 and up, only 64 bit is supported.
- # define LL_BIG_ENDIAN 1
- # define LL_SOLARIS_ALIGNED_CPU 1 // used to designate issues where SPARC alignment is addressed
- # define LL_SOLARIS_NON_MESA_GL 1 // The SPARC GL does not provide a MESA-based GL API
- # endif
- # include <sys/isa_defs.h> // ensure we know which end is up
- #endif // LL_SOLARIS
- #if (defined(LL_WINDOWS) || (defined(LL_LINUX) && (__BYTE_ORDER == __LITTLE_ENDIAN)) || (defined(LL_DARWIN) && defined(__LITTLE_ENDIAN__)) || (defined(LL_SOLARIS) && defined(__i386)))
- #define LL_LITTLE_ENDIAN 1
- #else
- #define LL_BIG_ENDIAN 1
- #endif
- // Per-compiler switches
- #ifdef __GNUC__
- #define LL_FORCE_INLINE inline __attribute__((always_inline))
- #else
- #define LL_FORCE_INLINE __forceinline
- #endif
- // Mark-up expressions with branch prediction hints. Do NOT use
- // this with reckless abandon - it's an obfuscating micro-optimization
- // outside of inner loops or other places where you are OVERWHELMINGLY
- // sure which way an expression almost-always evaluates.
- #if __GNUC__ >= 3
- # define LL_LIKELY(EXPR) __builtin_expect (!!(EXPR), true)
- # define LL_UNLIKELY(EXPR) __builtin_expect (!!(EXPR), false)
- #else
- # define LL_LIKELY(EXPR) (EXPR)
- # define LL_UNLIKELY(EXPR) (EXPR)
- #endif
- // Figure out differences between compilers
- #if defined(__GNUC__)
- #define GCC_VERSION (__GNUC__ * 10000 \
- + __GNUC_MINOR__ * 100 \
- + __GNUC_PATCHLEVEL__)
- #ifndef LL_GNUC
- #define LL_GNUC 1
- #endif
- #elif defined(__MSVC_VER__) || defined(_MSC_VER)
- #ifndef LL_MSVC
- #define LL_MSVC 1
- #endif
- #if _MSC_VER < 1400
- #define LL_MSVC7 //Visual C++ 2003 or earlier
- #endif
- #endif
- // Deal with minor differences on Unixy OSes.
- #if LL_DARWIN || LL_LINUX
- // Different name, same functionality.
- #define stricmp strcasecmp
- #define strnicmp strncasecmp
- // Not sure why this is different, but...
- #ifndef MAX_PATH
- #define MAX_PATH PATH_MAX
- #endif // not MAX_PATH
- #endif
- // Static linking with apr on windows needs to be declared.
- #if LL_WINDOWS && !LL_COMMON_LINK_SHARED
- #ifndef APR_DECLARE_STATIC
- #define APR_DECLARE_STATIC // For APR on Windows
- #endif
- #ifndef APU_DECLARE_STATIC
- #define APU_DECLARE_STATIC // For APR util on Windows
- #endif
- #endif
- #if defined(LL_WINDOWS)
- #define BOOST_REGEX_NO_LIB 1
- #define CURL_STATICLIB 1
- #ifndef XML_STATIC
- #define XML_STATIC
- #endif
- #endif // LL_WINDOWS
- // Deal with VC6 problems
- #if LL_MSVC
- #pragma warning( 3 : 4701 ) // "local variable used without being initialized" Treat this as level 3, not level 4.
- #pragma warning( 3 : 4702 ) // "unreachable code" Treat this as level 3, not level 4.
- #pragma warning( 3 : 4189 ) // "local variable initialized but not referenced" Treat this as level 3, not level 4.
- //#pragma warning( 3 : 4018 ) // "signed/unsigned mismatch" Treat this as level 3, not level 4.
- #pragma warning( 3 : 4263 ) // 'function' : member function does not override any base class virtual member function
- #pragma warning( 3 : 4264 ) // "'virtual_function' : no override available for virtual member function from base 'class'; function is hidden"
- #pragma warning( 3 : 4265 ) // "class has virtual functions, but destructor is not virtual"
- #pragma warning( 3 : 4266 ) // 'function' : no override available for virtual member function from base 'type'; function is hidden
- #pragma warning (disable : 4180) // qualifier applied to function type has no meaning; ignored
- #pragma warning( disable : 4284 ) // silly MS warning deep inside their <map> include file
- #pragma warning( disable : 4503 ) // 'decorated name length exceeded, name was truncated'. Does not seem to affect compilation.
- #pragma warning( disable : 4800 ) // 'BOOL' : forcing value to bool 'true' or 'false' (performance warning)
- #pragma warning( disable : 4996 ) // warning: deprecated
- // Linker optimization with "extern template" generates these warnings
- #pragma warning( disable : 4231 ) // nonstandard extension used : 'extern' before template explicit instantiation
- #pragma warning( disable : 4506 ) // no definition for inline function
- // level 4 warnings that we need to disable:
- #pragma warning (disable : 4100) // unreferenced formal parameter
- #pragma warning (disable : 4127) // conditional expression is constant (e.g. while(1) )
- #pragma warning (disable : 4244) // possible loss of data on conversions
- #pragma warning (disable : 4396) // the inline specifier cannot be used when a friend declaration refers to a specialization of a function template
- #pragma warning (disable : 4512) // assignment operator could not be generated
- #pragma warning (disable : 4706) // assignment within conditional (even if((x = y)) )
- #pragma warning (disable : 4251) // member needs to have dll-interface to be used by clients of class
- #pragma warning (disable : 4275) // non dll-interface class used as base for dll-interface class
- #pragma warning (disable : 4018) // '<' : signed/unsigned mismatch
- #endif // LL_MSVC
- #if LL_WINDOWS
- #define LL_DLLEXPORT __declspec(dllexport)
- #define LL_DLLIMPORT __declspec(dllimport)
- #elif LL_LINUX
- #define LL_DLLEXPORT __attribute__ ((visibility("default")))
- #define LL_DLLIMPORT
- #else
- #define LL_DLLEXPORT
- #define LL_DLLIMPORT
- #endif // LL_WINDOWS
- #if LL_COMMON_LINK_SHARED
- // CMake automagically defines llcommon_EXPORTS only when building llcommon
- // sources, and only when llcommon is a shared library (i.e. when
- // LL_COMMON_LINK_SHARED). We must still test LL_COMMON_LINK_SHARED because
- // otherwise we can't distinguish between (non-llcommon source) and (llcommon
- // not shared).
- # if defined(llcommon_EXPORTS)
- # define LL_COMMON_API LL_DLLEXPORT
- # else //llcommon_EXPORTS
- # define LL_COMMON_API LL_DLLIMPORT
- # endif //llcommon_EXPORTS
- #else // LL_COMMON_LINK_SHARED
- # define LL_COMMON_API
- #endif // LL_COMMON_LINK_SHARED
- #endif // not LL_LINDEN_PREPROCESSOR_H