/** * @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 #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