6e3f404a1c
Adds LL_COMPILE_TIME_MESSAGE support to Linux. llfinite -> std::isfinite llisnan -> std::isnan vector_shrink_to_fit -> vector.shrink_to_fit
230 lines
8.2 KiB
C
230 lines
8.2 KiB
C
/**
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* @file llpreprocessor.h
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* @brief This file should be included in all Linden Lab files and
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* should only contain special preprocessor directives
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LLPREPROCESSOR_H
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#define LLPREPROCESSOR_H
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// Figure out endianness of platform
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#ifdef LL_LINUX
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#define __ENABLE_WSTRING
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#include <endian.h>
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#endif // LL_LINUX
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#if LL_SOLARIS
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# ifdef __sparc // Since we're talking Solaris 10 and up, only 64 bit is supported.
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# define LL_BIG_ENDIAN 1
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# define LL_SOLARIS_ALIGNED_CPU 1 // used to designate issues where SPARC alignment is addressed
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# define LL_SOLARIS_NON_MESA_GL 1 // The SPARC GL does not provide a MESA-based GL API
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# endif
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# include <sys/isa_defs.h> // ensure we know which end is up
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#endif // LL_SOLARIS
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#if (defined(LL_WINDOWS) || (defined(LL_LINUX) && (__BYTE_ORDER == __LITTLE_ENDIAN)) || (defined(LL_DARWIN) && defined(__LITTLE_ENDIAN__)) || (defined(LL_SOLARIS) && defined(__i386)))
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#define LL_LITTLE_ENDIAN 1
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#else
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#define LL_BIG_ENDIAN 1
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#endif
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// Per-compiler switches
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#ifdef __GNUC__
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#define LL_FORCE_INLINE inline __attribute__((always_inline))
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#else
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#define LL_FORCE_INLINE __forceinline
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#endif
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// Mark-up expressions with branch prediction hints. Do NOT use
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// this with reckless abandon - it's an obfuscating micro-optimization
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// outside of inner loops or other places where you are OVERWHELMINGLY
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// sure which way an expression almost-always evaluates.
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#if __GNUC__ >= 3
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# define LL_LIKELY(EXPR) __builtin_expect (!!(EXPR), true)
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# define LL_UNLIKELY(EXPR) __builtin_expect (!!(EXPR), false)
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#else
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# define LL_LIKELY(EXPR) (EXPR)
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# define LL_UNLIKELY(EXPR) (EXPR)
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#endif
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// Figure out differences between compilers
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#if defined(__clang__)
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#define CLANG_VERSION (__clang_major__ * 10000 \
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+ __clang_minor__ * 100 \
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+ __clang_patchlevel__)
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#ifndef LL_CLANG
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#define LL_CLANG 1
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#endif
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#elif defined (__ICC)
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#ifndef LL_INTELC
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#define LL_INTELC 1
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#endif
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#elif defined(__GNUC__)
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#define GCC_VERSION (__GNUC__ * 10000 \
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+ __GNUC_MINOR__ * 100 \
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+ __GNUC_PATCHLEVEL__)
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#ifndef LL_GNUC
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#define LL_GNUC 1
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#endif
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#elif defined(__MSVC_VER__) || defined(_MSC_VER)
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#ifndef LL_MSVC
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#define LL_MSVC 1
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#endif
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#endif
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// Deal with minor differences on Unixy OSes.
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#if LL_DARWIN || LL_LINUX
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// Different name, same functionality.
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#define stricmp strcasecmp
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#define strnicmp strncasecmp
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// Not sure why this is different, but...
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#ifndef MAX_PATH
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#define MAX_PATH PATH_MAX
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#endif // not MAX_PATH
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#endif
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// Require C++11 support
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#if __cplusplus < 201100L && _MSC_VER < 1800
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#error C++11 support is required to build this project.
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#endif
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#if LL_WINDOWS
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# define LL_THREAD_LOCAL __declspec(thread)
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#else
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# define LL_THREAD_LOCAL __thread
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#endif
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// Static linking with apr on windows needs to be declared.
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#if LL_WINDOWS && !LL_COMMON_LINK_SHARED
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#ifndef APR_DECLARE_STATIC
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#define APR_DECLARE_STATIC // For APR on Windows
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#endif
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#ifndef APU_DECLARE_STATIC
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#define APU_DECLARE_STATIC // For APR util on Windows
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#endif
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#endif
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#if defined(LL_WINDOWS)
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#define BOOST_REGEX_NO_LIB 1
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#define CURL_STATICLIB 1
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#ifndef XML_STATIC
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#define XML_STATIC
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#endif
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#endif // LL_WINDOWS
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// Deal with VC6 problems
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#if LL_MSVC
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#pragma warning( 3 : 4701 ) // "local variable used without being initialized" Treat this as level 3, not level 4.
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#pragma warning( 3 : 4702 ) // "unreachable code" Treat this as level 3, not level 4.
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#pragma warning( 3 : 4189 ) // "local variable initialized but not referenced" Treat this as level 3, not level 4.
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//#pragma warning( 3 : 4018 ) // "signed/unsigned mismatch" Treat this as level 3, not level 4.
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#pragma warning( 3 : 4263 ) // 'function' : member function does not override any base class virtual member function
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#pragma warning( 3 : 4264 ) // "'virtual_function' : no override available for virtual member function from base 'class'; function is hidden"
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#pragma warning( 3 : 4265 ) // "class has virtual functions, but destructor is not virtual"
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#pragma warning( 3 : 4266 ) // 'function' : no override available for virtual member function from base 'type'; function is hidden
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#pragma warning (disable : 4180) // qualifier applied to function type has no meaning; ignored
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//#pragma warning( disable : 4284 ) // silly MS warning deep inside their <map> include file
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#pragma warning( disable : 4503 ) // 'decorated name length exceeded, name was truncated'. Does not seem to affect compilation.
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#pragma warning( disable : 4800 ) // 'BOOL' : forcing value to bool 'true' or 'false' (performance warning)
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#pragma warning( disable : 4996 ) // warning: deprecated
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// Linker optimization with "extern template" generates these warnings
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#pragma warning( disable : 4231 ) // nonstandard extension used : 'extern' before template explicit instantiation
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#pragma warning( disable : 4506 ) // no definition for inline function
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// level 4 warnings that we need to disable:
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#pragma warning (disable : 4100) // unreferenced formal parameter
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#pragma warning (disable : 4127) // conditional expression is constant (e.g. while(1) )
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#pragma warning (disable : 4244) // possible loss of data on conversions
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#pragma warning (disable : 4396) // the inline specifier cannot be used when a friend declaration refers to a specialization of a function template
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#pragma warning (disable : 4512) // assignment operator could not be generated
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#pragma warning (disable : 4706) // assignment within conditional (even if((x = y)) )
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#pragma warning (disable : 4251) // member needs to have dll-interface to be used by clients of class
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#pragma warning (disable : 4275) // non dll-interface class used as base for dll-interface class
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//#pragma warning (disable : 4018) // '<' : signed/unsigned mismatch
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#if _WIN64
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#pragma warning (disable : 4267) // member needs to have dll-interface to be used by clients of class
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#endif
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#endif // LL_MSVC
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#if LL_WINDOWS
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#define LL_DLLEXPORT __declspec(dllexport)
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#define LL_DLLIMPORT __declspec(dllimport)
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#elif LL_LINUX
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#define LL_DLLEXPORT __attribute__ ((visibility("default")))
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#define LL_DLLIMPORT
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#else
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#define LL_DLLEXPORT
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#define LL_DLLIMPORT
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#endif // LL_WINDOWS
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#if LL_COMMON_LINK_SHARED
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// CMake automagically defines llcommon_EXPORTS only when building llcommon
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// sources, and only when llcommon is a shared library (i.e. when
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// LL_COMMON_LINK_SHARED). We must still test LL_COMMON_LINK_SHARED because
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// otherwise we can't distinguish between (non-llcommon source) and (llcommon
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// not shared).
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# if defined(llcommon_EXPORTS)
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# define LL_COMMON_API LL_DLLEXPORT
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# else //llcommon_EXPORTS
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# define LL_COMMON_API LL_DLLIMPORT
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# endif //llcommon_EXPORTS
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#else // LL_COMMON_LINK_SHARED
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# define LL_COMMON_API
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#endif // LL_COMMON_LINK_SHARED
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// Darwin does not support thread-local data.
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#ifndef LL_DARWIN
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#if LL_WINDOWS
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#define ll_thread_local __declspec(thread)
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#else // Linux
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#define ll_thread_local __thread
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#endif
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#endif
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#define LL_TYPEOF(exp) decltype(exp)
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#define LL_TO_STRING_HELPER(x) #x
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#define LL_TO_STRING(x) LL_TO_STRING_HELPER(x)
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#define LL_FILE_LINENO_MSG(msg) __FILE__ "(" LL_TO_STRING(__LINE__) ") : " msg
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#define LL_GLUE_IMPL(x, y) x##y
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#define LL_GLUE_TOKENS(x, y) LL_GLUE_IMPL(x, y)
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#if LL_WINDOWS
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#define LL_COMPILE_TIME_MESSAGE(msg) __pragma(message(LL_FILE_LINENO_MSG(msg)))
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#else
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#define PRAGMA_MSG(x) _Pragma(#x)
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#define LL_COMPILE_TIME_MESSAGE(msg) PRAGMA_MSG(message msg)
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#endif
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#endif // not LL_LINDEN_PREPROCESSOR_H
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