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/**
* @file llpreprocessor.h
* @brief This file should be included in all Linden Lab files and
* should only contain special preprocessor directives
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#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
// 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
// Linker optimization with "extern template" generates this innocuous warning
#pragma warning( disable : 4231 ) // nonstandard extension used : 'extern' before template explicit instantiation
#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
// 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
#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
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