ROOT
master
Reference Guide
RConfig.hxx
Go to the documentation of this file.
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/* @(#)root/base:$Id$ */
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/*************************************************************************
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* Copyright (C) 1995-2002, Rene Brun and Fons Rademakers. *
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* All rights reserved. *
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* *
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* For the licensing terms see $ROOTSYS/LICENSE. *
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* For the list of contributors see $ROOTSYS/README/CREDITS. *
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*************************************************************************/
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#ifndef ROOT_RConfig
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#define ROOT_RConfig
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/*************************************************************************
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* *
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* RConfig *
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* *
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* Defines used by ROOT. *
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* *
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*************************************************************************/
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#include "../RVersion.h"
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#include "RConfigure.h"
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/*---- new C++ features ------------------------------------------------------*/
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#if defined __has_feature
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# if __has_feature(modules)
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# define R__CXXMODULES
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# endif
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#endif
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#define R__USE_SHADOW_CLASS
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/* Now required, thus defined by default for backward compatibility */
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#define R__ANSISTREAM
/* ANSI C++ Standard Library conformant */
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#define R__SSTREAM
/* use sstream or strstream header */
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#if defined(_MSC_VER)
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# if (_MSC_VER < 1910)
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# error "ROOT requires Visual Studio 2017 or higher."
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# else
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# define R__NULLPTR
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# endif
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#else
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# if defined(__cplusplus) && (__cplusplus < 201103L)
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# error "ROOT requires support for C++11 or higher."
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# if defined(__GNUC__) || defined(__clang__)
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# error "Pass `-std=c++11` as compiler argument."
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# endif
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# endif
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#endif
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/*---- machines --------------------------------------------------------------*/
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#ifdef __hpux
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/* R__HPUX10 or R__HPUX11 is determined in the Makefile */
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# define R__HPUX
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# define R__UNIX
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# define ANSICPP
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# ifdef __LP64__
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# define R__B64
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# endif
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# ifdef R__HPUX10
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# define NEED_SNPRINTF
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# endif
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#endif
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#ifdef _AIX
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# define R__AIX
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# define R__UNIX
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# define ANSICPP
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# define R__SEEK64
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# define R__PLACEMENTINLINE
/* placement new/delete is inline in <new> */
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# define NEED_STRCASECMP
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#endif
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#if defined(__linux) || defined(__linux__)
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# ifndef linux
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# define linux
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# endif
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#endif
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#if defined(__CYGWIN__) && defined(__GNUC__)
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# ifndef linux
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# define linux
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# endif
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# ifndef R__WINGCC
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# define R__WINGCC
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# endif
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#endif
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#if defined(__sun) && !(defined(linux) || defined(__FCC_VERSION))
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# ifdef __SVR4
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# define R__SOLARIS
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# define R__SEEK64
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# define ANSICPP
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# ifdef __i386
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# define R__BYTESWAP
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# endif
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# ifdef __x86_64
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# define R__B64
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# define R__BYTESWAP
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# endif
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# else
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# define R__SUN
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# include <stdlib.h>
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# endif
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# define R__UNIX
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# define NEED_STRING
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# define NEED_SIGJMP
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# if __SUNPRO_CC > 0x420
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# define R__SOLARIS_CC50
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# define R__PLACEMENTINLINE
/* placement new/delete is inline in <new> */
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# endif
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# if __SUNPRO_CC >= 0x420
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# define R__SUNCCBUG
/* to work around a compiler bug */
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# endif
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# if __GNUC__ >= 3 || __GNUC_MINOR__ >= 90
/* modern egcs/gcc */
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# define R__SUNGCC3
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# endif
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#endif
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#if defined(__FCC_VERSION)
/* Solaris with Fujitsu compiler */
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# define R__SOLARIS
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# define R__SEEK64
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# define ANSICPP
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# define R__UNIX
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# define NEED_STRING
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# define NEED_SIGJMP
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#endif
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#if defined(linux)
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# ifndef _LARGEFILE64_SOURCE
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# define _LARGEFILE64_SOURCE
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# endif
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# include <features.h>
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# if __GNU_LIBRARY__ == 6
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# ifndef R__GLIBC
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# define R__GLIBC
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# endif
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# endif
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# if __GLIBC__ == 2 && __GLIBC_MINOR__ >= 2
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# define R__NONSCALARFPOS2
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# define R__USESTHROW
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# define R__SEEK64
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# endif
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#endif
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#if defined(linux) && defined(__i386__)
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# define R__LINUX
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# define R__UNIX
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# define R__BYTESWAP
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# ifndef __i486__
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# define __i486__
/* turn off if you really want to run on an i386 */
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# endif
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# define NEED_SIGJMP
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#endif
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#if defined(linux) && defined(__ia64__)
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# define R__LINUX
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# define R__UNIX
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# define R__BYTESWAP
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# define R__B64
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# define NEED_SIGJMP
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#endif
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#if defined(linux) && defined(__x86_64__)
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# define R__LINUX
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# define R__UNIX
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# define R__BYTESWAP
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# define R__B64
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# define NEED_SIGJMP
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#endif
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#if defined(linux) && defined(__arm__)
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# define R__LINUX
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# define R__UNIX
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# define R__BYTESWAP
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# define NEED_SIGJMP
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#endif
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#if defined(linux) && defined(__sparc__)
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# define R__LINUX
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# define R__UNIX
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# define NEED_SIGJMP
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/*# define R__B64 */
/* enable when 64 bit machine */
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#endif
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#if defined(linux) && defined(__hppa)
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# define R__LINUX
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# define R__UNIX
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# define NEED_SIGJMP
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#endif
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#if defined(linux) && defined(__powerpc__)
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# define R__LINUX
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# define R__UNIX
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# define NEED_SIGJMP
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# if defined(R__ppc64)
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# define R__B64
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# endif
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# if defined(_LITTLE_ENDIAN)
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# define R__BYTESWAP
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# endif
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#endif
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#if defined(linux) && defined(__aarch64__)
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# define R__LINUX
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# define R__UNIX
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# define R__BYTESWAP
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# define R__B64
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# define NEED_SIGJMP
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#endif
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#if defined(linux) && defined(__s390__)
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# define R__LINUX
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# define R__UNIX
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# define NEED_SIGJMP
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#endif
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#if defined(linux) && defined(__s390x__)
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# define R__LINUX
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# define R__UNIX
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# define R__B64
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# define NEED_SIGJMP
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#endif
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#if defined(__MACH__) && defined(__i386__) && !defined(__APPLE__)
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# define R__HURD
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# define f2cFortran
/* cfortran.h does not know HURD - sigh */
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# define R__UNIX
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# define R__BYTESWAP
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# define R__GLIBC
/* GNU/Hurd always use GLIBC 2.x :-) */
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# define NEED_SIGJMP
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#endif
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#if defined(__Lynx__) && defined(__powerpc__)
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# define R__LYNXOS
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# define R__UNIX
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# define ANSICPP
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# define NEED_SIGJMP
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# define NEED_STRCASECMP
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# define NEED_SNPRINTF
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#endif
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#if defined(__FreeBSD__)
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# define R__FBSD
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# define R__UNIX
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# define R__BYTESWAP
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# if defined(__i386__)
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# ifndef __i486__
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# define __i486__
/* turn off if you really want to run on an i386 */
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# endif
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# endif
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# if defined(__amd64__)
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# define R__B64
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# endif
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# define HAS_STRLCPY
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#endif
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#if defined(__OpenBSD__)
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# define R__OBSD
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# define R__UNIX
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# define R__BYTESWAP
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# if defined(__i386__)
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# ifndef __i486__
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# define __i486__
/* turn off if you really want to run on an i386 */
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# endif
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# endif
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# if defined(__amd64__)
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# define R__B64
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# endif
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# define HAS_STRLCPY
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#endif
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#if defined(__APPLE__)
/* MacOS X support, initially following FreeBSD */
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# include <AvailabilityMacros.h>
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# ifndef __CINT__
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# include <TargetConditionals.h>
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# endif
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# define R__MACOSX
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# define R__UNIX
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# if defined(__xlC__) || defined(__xlc__)
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# define ANSICPP
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# define R__PLACEMENTINLINE
/* placement new/delete is inline in <new> */
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# endif
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# if defined(__ppc64__)
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# define R__B64
/* enable when 64 bit machine */
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# endif
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# if defined(__i386__)
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# define R__BYTESWAP
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# endif
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# if defined(__arm__) || defined (__arm64__)
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# define R__BYTESWAP
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# endif
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# if defined(__x86_64__)
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# define R__BYTESWAP
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# define R__B64
/* enable when 64 bit machine */
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# endif
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# define HAS_STRLCPY
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#endif
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#ifdef _HIUX_SOURCE
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# define R__HIUX
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# define R__UNIX
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# define NEED_SIGJMP
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# define NEED_SNPRINTF
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# define ANSICPP
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#endif
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#ifdef __GNUC__
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# define R__GNU
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# define ANSICPP
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# if __GNUC__ >= 3 || __GNUC_MINOR__ >= 90
/* egcs 1.0.3 */
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# define R__VECNEWDELETE
/* supports overloading of new[] and delete[] */
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# define R__PLACEMENTDELETE
/* supports overloading placement delete */
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# endif
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# if __GNUC__ >= 3 || ( __GNUC__ == 2 && __GNUC_MINOR__ >= 95)
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# define R__PLACEMENTINLINE
/* placement new/delete is inline in <new> */
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# endif
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# if defined(__ia64__) && __GNUC__ < 3
/* gcc 2.9x (MINOR is 9!) */
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# define R__VECNEWDELETE
/* supports overloading of new[] and delete[] */
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# define R__PLACEMENTDELETE
/* supports overloading placement delete */
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# endif
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# if __GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ > 1)
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# define R__PRAGMA_DIAGNOSTIC
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# endif
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#endif
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#if __cplusplus >= 201402L
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# if defined(R__MACOSX) && !defined(MAC_OS_X_VERSION_10_12)
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// At least on 10.11, the compiler defines but the c++ library does not provide the size operator delete.
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// See for example https://llvm.org/bugs/show_bug.cgi?id=22951 or
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// https://github.com/gperftools/gperftools/issues/794.
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# elif !defined(__GNUC__)
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# define R__SIZEDDELETE
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# elif __GNUC__ > 4
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# define R__SIZEDDELETE
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# endif
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#endif
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/* allows symbols to be hidden from the shared library export symbol table */
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/* use typically on file statics and private methods */
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#if defined(__GNUC__) && (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3))
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# define R__HIDDEN __attribute__((__visibility__("hidden")))
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#else
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# define R__HIDDEN
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#endif
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#ifdef __INTEL_COMPILER
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# define R__INTEL_COMPILER
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# define R__VECNEWDELETE
/* supports overloading of new[] and delete[] */
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# define R__PLACEMENTDELETE
/* supports overloading placement delete */
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# define R__PLACEMENTINLINE
/* placement new/delete is inline in <new> */
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# define ANSICPP
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#endif
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#ifdef __HP_aCC
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# define R__ACC
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# define R__VECNEWDELETE
/* supports overloading of new[] and delete[] */
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# define R__PLACEMENTINLINE
/* placement new/delete is inline in <new> */
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# if __HP_aCC <= 015000
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# define R__OLDHPACC
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# define R__TEMPLATE_OVERLOAD_BUG
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# define R__GLOBALSTL
/* STL in global name space */
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# error "ROOT requires proper support for C++11 or higher"
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# else
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# define R__PLACEMENTDELETE
/* supports overloading placement delete */
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# define R__TMPLTSTREAM
/* std::iostream implemented with templates */
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# endif
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# ifndef _INCLUDE_LONGLONG
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# define _INCLUDE_LONGLONG
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# endif
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#endif
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#ifdef _WIN32
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# define R__WIN32
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# ifndef WIN32
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# define WIN32
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# endif
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# define R__BYTESWAP
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# define R__ACCESS_IN_SYMBOL
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//# define __attribute__(X)
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//# define thread_local static __declspec(thread)
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#endif
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#ifdef __SC__
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# define SC
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# define R__SC
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# if defined(WIN32)
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# define NEED_STRING
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# define NEED_STRCASECMP
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# define NEED_SNPRINTF
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# define ANSICPP
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# else
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# define MSDOS
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# define NEED_STRCASECMP
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# define R__BYTESWAP
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# endif
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#endif
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#ifdef _MSC_VER
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# define R__VISUAL_CPLUSPLUS
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# define NEED_STRING
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# define NEED_STRCASECMP
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# if _MSC_VER < 1900
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# define NEED_SNPRINTF
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# endif
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# define ANSICPP
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# define R__VECNEWDELETE
/* supports overloading of new[] and delete[] */
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# define R__PLACEMENTDELETE
/* supports overloading placement delete */
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# define R__PLACEMENTINLINE
/* placement new/delete is inline in <new> */
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# if _MSC_VER >= 1400
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# define DONTNEED_VSNPRINTF
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# endif
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# if _MSC_VER < 1310
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# define R__NO_CLASS_TEMPLATE_SPECIALIZATION
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# endif
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# if _MSC_VER <= 1800
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# define R__NO_ATOMIC_FUNCTION_POINTER
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# endif
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#endif
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/*--- memory and object statistics -------------------------------------------*/
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/* #define R__NOSTATS */
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/*--- cpp --------------------------------------------------------------------*/
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#ifdef ANSICPP
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/* symbol concatenation operator */
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# define _NAME1_(name) name
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# define _NAME2_(name1,name2) name1##name2
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# define _NAME3_(name1,name2,name3) name1##name2##name3
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/* stringizing */
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# define _QUOTE_(name) #name
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#else
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# define _NAME1_(name) name
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# define _NAME2_(name1,name2) _NAME1_(name1)name2
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# define _NAME3_(name1,name2,name3) _NAME2_(name1,name2)name3
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# define _QUOTE_(name) "name"
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#endif
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/* produce an identifier that is almost unique inside a file */
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#ifndef __CINT__
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# define _R__JOIN_(X,Y) _NAME2_(X,Y)
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# define _R__JOIN3_(F,X,Y) _NAME3_(F,X,Y)
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# define _R__UNIQUE_DICT_(X) _R__JOIN3_(R__DICTIONARY_FILENAME,X,__LINE__)
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# define _R__UNIQUE_(X) _R__JOIN_(X,__LINE__)
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#else
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/* Currently CINT does not really mind to have duplicates and */
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/* does not work correctly as far as merging tokens is concerned. */
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# define _R__UNIQUE_(X) X
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#endif
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/*---- deprecation -----------------------------------------------------------*/
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#if defined(__GNUC__) || defined(__clang__) || defined(__INTEL_COMPILER)
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# if (__GNUC__ == 5 && (__GNUC_MINOR__ == 1 || __GNUC_MINOR__ == 2)) || defined(R__NO_DEPRECATION)
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/* GCC 5.1, 5.2: false positives due to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=15269
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or deprecation turned off */
468
# define _R__DEPRECATED_LATER(REASON)
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# else
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# define _R__DEPRECATED_LATER(REASON) __attribute__((deprecated(REASON)))
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# endif
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#elif defined(_MSC_VER) || !defined(R__NO_DEPRECATION)
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# define _R__DEPRECATED_LATER(REASON) __pragma(deprecated(REASON))
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#else
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/* Deprecation not supported for this compiler. */
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# define _R__DEPRECATED_LATER(REASON)
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#endif
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#ifdef R__WIN32
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#define _R_DEPRECATED_REMOVE_NOW(REASON)
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#else
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#define _R_DEPRECATED_REMOVE_NOW(REASON) __attribute__((REMOVE_THIS_NOW))
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#endif
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/* To be removed by 6.20 */
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#if ROOT_VERSION_CODE < ROOT_VERSION(6,19,0)
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# define _R__DEPRECATED_620(REASON) _R__DEPRECATED_LATER(REASON)
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#else
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# define _R__DEPRECATED_620(REASON) _R_DEPRECATED_REMOVE_NOW(REASON)
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#endif
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/* To be removed by 6.22 */
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#if ROOT_VERSION_CODE < ROOT_VERSION(6,21,0)
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# define _R__DEPRECATED_622(REASON) _R__DEPRECATED_LATER(REASON)
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#else
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# define _R__DEPRECATED_622(REASON) _R_DEPRECATED_REMOVE_NOW(REASON)
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#endif
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/* To be removed by 6.24 */
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#if ROOT_VERSION_CODE <= ROOT_VERSION(6,23,0)
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# define _R__DEPRECATED_624(REASON) _R__DEPRECATED_LATER(REASON)
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#else
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# define _R__DEPRECATED_624(REASON) _R_DEPRECATED_REMOVE_NOW(REASON)
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#endif
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/* To be removed by 6.26 */
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#if ROOT_VERSION_CODE <= ROOT_VERSION(6,25,0)
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# define _R__DEPRECATED_626(REASON) _R__DEPRECATED_LATER(REASON)
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#else
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# define _R__DEPRECATED_626(REASON) _R_DEPRECATED_REMOVE_NOW(REASON)
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#endif
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/* To be removed by 7.00 */
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#if ROOT_VERSION_CODE < ROOT_VERSION(6,99,0)
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# define _R__DEPRECATED_700(REASON) _R__DEPRECATED_LATER(REASON)
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#else
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# define _R__DEPRECATED_700(REASON) _R_DEPRECATED_REMOVE_NOW(REASON)
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#endif
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/* Spell as R__DEPRECATED(6,04, "Not threadsafe; use TFoo::Bar().") */
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#define R__DEPRECATED(MAJOR, MINOR, REASON) \
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_R__JOIN3_(_R__DEPRECATED_,MAJOR,MINOR)("will be removed in ROOT v" #MAJOR "." #MINOR ": " REASON)
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/* Mechanisms to advise users to avoid legacy functions and classes that will not be removed */
526
#if defined R__SUGGEST_NEW_INTERFACE
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# define R__SUGGEST_ALTERNATIVE(ALTERNATIVE) \
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_R__DEPRECATED_LATER("There is a superior alternative: " ALTERNATIVE)
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#else
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# define R__SUGGEST_ALTERNATIVE(ALTERNATIVE)
531
#endif
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#define R__ALWAYS_SUGGEST_ALTERNATIVE(ALTERNATIVE) \
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_R__DEPRECATED_LATER("There is a superior alternative: " ALTERNATIVE)
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/*---- misc ------------------------------------------------------------------*/
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#ifdef R__GNU
541
# define SafeDelete(p) { if (p) { delete p; p = 0; } }
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#else
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# define SafeDelete(p) { delete p; p = 0; }
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#endif
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#ifdef __FAST_MATH__
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#define R__FAST_MATH
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#endif
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#if (__GNUC__ >= 7)
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#define R__DO_PRAGMA(x) _Pragma (#x)
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# define R__INTENTIONALLY_UNINIT_BEGIN \
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R__DO_PRAGMA(GCC diagnostic push) \
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R__DO_PRAGMA(GCC diagnostic ignored "-Wmaybe-uninitialized") \
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R__DO_PRAGMA(GCC diagnostic ignored "-Wuninitialized")
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# define R__INTENTIONALLY_UNINIT_END \
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R__DO_PRAGMA(GCC diagnostic pop)
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#else
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# define R__INTENTIONALLY_UNINIT_BEGIN
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# define R__INTENTIONALLY_UNINIT_END
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#endif
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#ifdef R__HAS_ATTRIBUTE_ALWAYS_INLINE
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#define R__ALWAYS_INLINE inline __attribute__((always_inline))
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#else
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#if defined(_MSC_VER)
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#define R__ALWAYS_INLINE __forceinline
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#else
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#define R__ALWAYS_INLINE inline
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#endif
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#endif
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// See also https://nemequ.github.io/hedley/api-reference.html#HEDLEY_NEVER_INLINE
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// for other platforms.
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#ifdef R__HAS_ATTRIBUTE_NOINLINE
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#define R__NEVER_INLINE inline __attribute__((noinline))
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#else
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#if defined(_MSC_VER)
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#define R__NEVER_INLINE inline __declspec(noinline)
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#else
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#define R__NEVER_INLINE inline
583
#endif
584
#endif
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/*---- unlikely / likely expressions -----------------------------------------*/
587
// These are meant to use in cases like:
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// if (R__unlikely(expression)) { ... }
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// in performance-critical sessions. R__unlikely / R__likely provide hints to
590
// the compiler code generation to heavily optimize one side of a conditional,
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// causing the other branch to have a heavy performance cost.
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//
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// It is best to use this for conditionals that test for rare error cases or
594
// backward compatibility code.
595
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#if (__GNUC__ >= 3) || defined(__INTEL_COMPILER)
597
#if !defined(R__unlikely)
598
#define R__unlikely(expr) __builtin_expect(!!(expr), 0)
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#endif
600
#if !defined(R__likely)
601
#define R__likely(expr) __builtin_expect(!!(expr), 1)
602
#endif
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#else
604
#define R__unlikely(expr) expr
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#define R__likely(expr) expr
606
#endif
607
608
// Setting this define causes ROOT to keep statistics about memory buffer allocation
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// time within the TTree. Given that this is a "hot-path", we provide a mechanism
610
// for enabling / disabling this at compile time by developers; default is disabled.
611
#ifndef R__TRACK_BASKET_ALLOC_TIME
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//#define R__TRACK_BASKET_ALLOC_TIME 1
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#endif
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#endif
core
base
inc
ROOT
RConfig.hxx
ROOT master - Reference Guide Generated on Wed Aug 12 2020 11:09:24 (GVA Time) using Doxygen 1.8.17
