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compiler_macros.h
Go to the documentation of this file.
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/**
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* \file IMP/base/compiler_macros.h
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* \brief Various compiler workarounds
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*
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* Copyright 2007-2014 IMP Inventors. All rights reserved.
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*/
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#ifndef IMPBASE_COMPILER_MACROS_H
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#define IMPBASE_COMPILER_MACROS_H
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#include <boost/config.hpp>
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#include <boost/version.hpp>
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#if defined(BOOST_NO_CXX11_RANGE_BASED_FOR) || BOOST_VERSION < 105300
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#include <boost/foreach.hpp>
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#define IMP_FOREACH(v, r) BOOST_FOREACH(v, r)
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#else
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/** Use C++11 range-based for if available or BOOST_FOREACH if not. */
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#define IMP_FOREACH(v, r) for (v : r)
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#endif
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#include <boost/detail/endian.hpp>
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#define IMP_STRINGIFY(x) #x
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// recommended by http://gcc.gnu.org/gcc/Function-Names.html
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#if defined(_MSC_VER)
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#define IMP_CURRENT_FUNCTION __FUNCTION__
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#define IMP_CURRENT_PRETTY_FUNCTION __FUNCTION__
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#elif defined(__STDC_VERSION__) && __STDC_VERSION__ < 199901L
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#define IMP_CURRENT_FUNCTION __FUNCTION__
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#define IMP_CURRENT_PRETTY_FUNCTION __PRETTY_FUNCTION__
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#else
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#define IMP_CURRENT_FUNCTION __func__
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#define IMP_CURRENT_PRETTY_FUNCTION __PRETTY_FUNCTION__
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#endif
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#ifndef IMP_DOXYGEN
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#ifdef __GNUC__
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#define IMP_NO_SIDEEFFECTS __attribute__((pure))
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#define IMP_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
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#define IMP_RESTRICT __restrict__
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#else
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#define IMP_NO_SIDEEFFECTS
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#define IMP_WARN_UNUSED_RESULT
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#define IMP_RESTRICT
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#endif
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#else
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//! Use this to label a function with no side effects
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/** \advanced */
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#define IMP_NO_SIDEEFFECTS
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//! Use this to make the compiler (possibly) warn if the result is not used
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/** \advanced */
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#define IMP_WARN_UNUSED_RESULT
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//! restrict means that a variable is not aliased with this function
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#define IMP_RESTRICT
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#endif
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#ifdef __clang__
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#define IMP_COMPILER_HAS_OVERRIDE 1
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#elif defined(__GNUC__) && __cplusplus >= 201103L
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// probably should be finer here
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#define IMP_COMPILER_HAS_OVERRIDE 1
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#else
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#define IMP_COMPILER_HAS_OVERRIDE 0
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#endif
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#ifdef IMP_DOXYGEN
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//! Cause a compile error if this method does not override a parent method
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/** This is helpful to catch accidental mismatches of call signatures between
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the method and the parent method, which would cause the method to be
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overloaded rather than overridden. Usually this macro should be used
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whenever implementing a method that is declared virtual in the parent. */
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#define IMP_OVERRIDE
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#else
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#if IMP_COMPILER_HAS_OVERRIDE
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#define IMP_OVERRIDE override
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#else
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#define IMP_OVERRIDE
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#endif
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#endif
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#if defined(IMP_SWIG_WRAPPER)
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#define IMP_COMPILER_HAS_FINAL 0
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#elif defined(__clang__)
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#define IMP_COMPILER_HAS_FINAL 1
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#elif defined(__GNUC__) && __cplusplus >= 201103L
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// probably should be finer here
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#define IMP_COMPILER_HAS_FINAL 1
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#else
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#define IMP_COMPILER_HAS_FINAL 0
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#endif
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#ifdef IMP_DOXYGEN
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//! Have the compiler report an error if anything overrides this method
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#define IMP_FINAL
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#else
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#if IMP_COMPILER_HAS_FINAL
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#define IMP_FINAL final
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#else
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#define IMP_FINAL
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#endif
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#endif
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#if defined(__GNUC__) && __cplusplus >= 201103L
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#define IMP_HAS_NOEXCEPT 1
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#elif defined(__clang__) && defined(__has_feature)
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#define IMP_HAS_NOEXCEPT __has_feature(cxx_noexcept)
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#else
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#define IMP_HAS_NOEXCEPT 0
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#endif
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#if IMP_HAS_NOEXCEPT
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#define IMP_NOEXCEPT noexcept
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#define IMP_CXX11_DEFAULT_COPY_CONSTRUCTOR(Name) \
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Name(const Name &) = default; \
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Name &operator=(const Name &) = default
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#else
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// probably should be finer here
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#define IMP_NOEXCEPT throw()
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#define IMP_CXX11_DEFAULT_COPY_CONSTRUCTOR(Name)
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#endif
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#if defined(__clang__) || defined(__GNUC__)
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#define IMP_PRAGMA(x) _Pragma(IMP_STRINGIFY(x))
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#if defined(__clang__)
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#define IMP_CLANG_PRAGMA(x) IMP_PRAGMA(clang x)
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#define IMP_GCC_PRAGMA(x)
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#define IMP_VC_PRAGMA(x)
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#else
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#define IMP_CLANG_PRAGMA(x)
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#define IMP_GCC_PRAGMA(x) IMP_PRAGMA(GCC x)
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#define IMP_VC_PRAGMA(x)
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#endif
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#elif defined(_MSC_VER)
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#define IMP_PRAGMA(x) __pragma(x)
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#define IMP_CLANG_PRAGMA(x)
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#define IMP_GCC_PRAGMA(x)
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#define IMP_VC_PRAGMA(x) IMP_PRAGMA(x)
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#else
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#define IMP_PRAGMA(x)
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#define IMP_CLANG_PRAGMA(x)
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#define IMP_GCC_PRAGMA(x)
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#define IMP_VC_PRAGMA(x)
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#endif
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#ifdef __clang__
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#define IMP_GCC_PUSH_POP(x)
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#define IMP_COMPILER_ENABLE_WARNINGS \
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IMP_CLANG_PRAGMA(diagnostic push) \
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IMP_CLANG_PRAGMA(diagnostic warning "-Wall") \
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IMP_CLANG_PRAGMA(diagnostic warning "-Wextra") \
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IMP_CLANG_PRAGMA(diagnostic warning "-Weverything") \
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IMP_CLANG_PRAGMA(diagnostic ignored "-Wconversion") \
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IMP_CLANG_PRAGMA(diagnostic ignored "-Wc++11-extensions") \
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IMP_CLANG_PRAGMA(diagnostic ignored "-Wc++11-compat") \
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IMP_CLANG_PRAGMA(diagnostic warning "-Wsign-compare") \
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IMP_CLANG_PRAGMA(diagnostic ignored "-Wunused-member-function")
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#define IMP_HELPER_MACRO_PUSH_WARNINGS IMP_CLANG_PRAGMA(diagnostic push)
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#define IMP_HELPER_MACRO_POP_WARNINGS IMP_CLANG_PRAGMA(diagnostic pop)
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#define IMP_COMPILER_DISABLE_WARNINGS IMP_CLANG_PRAGMA(diagnostic pop)
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#elif defined(__GNUC__)
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/*ret+=["-Wno-deprecated",
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"-Wstrict-aliasing=2",
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-fno-operator-names",]*/
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#if __GNUC__ > 4 || __GNUC_MINOR__ >= 6
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#define IMP_GCC_PUSH_POP(x) IMP_PRAGMA(x)
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#define IMP_GCC_CXX0X_COMPAT \
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IMP_GCC_PRAGMA(diagnostic ignored \
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"-Wc++0x-compa" \
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"t")
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#define IMP_GCC_PROTOTYPES \
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IMP_GCC_PRAGMA(diagnostic warning "-Wmissing-declarations")
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#define IMP_HELPER_MACRO_PUSH_WARNINGS IMP_GCC_PRAGMA(diagnostic push)
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#define IMP_HELPER_MACRO_POP_WARNINGS IMP_GCC_PRAGMA(diagnostic pop)
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#else
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#define IMP_GCC_PUSH_POP(x)
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#define IMP_GCC_CXX0X_COMPAT
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#define IMP_GCC_PROTOTYPES
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#define IMP_HELPER_MACRO_PUSH_WARNINGS
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#define IMP_HELPER_MACRO_POP_WARNINGS
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#endif
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#define IMP_COMPILER_ENABLE_WARNINGS \
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IMP_GCC_PUSH_POP(GCC diagnostic push) \
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IMP_GCC_PRAGMA(diagnostic warning "-Wall") \
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IMP_GCC_PRAGMA(diagnostic warning "-Wextra") \
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IMP_GCC_PRAGMA(diagnostic warning "-Winit-self") \
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IMP_GCC_PRAGMA(diagnostic warning "-Wcast-align") \
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IMP_GCC_PRAGMA(diagnostic warning "-Woverloaded-virtual") \
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IMP_GCC_PRAGMA(diagnostic warning "-Wdeprecated-declarations") \
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IMP_GCC_PRAGMA(diagnostic warning \
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"-Wundef") IMP_GCC_PROTOTYPES IMP_GCC_CXX0X_COMPAT
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#define IMP_COMPILER_DISABLE_WARNINGS IMP_GCC_PUSH_POP(GCC diagnostic pop)
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#elif defined(_MSC_VER)
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#define IMP_GCC_PUSH_POP(x)
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#define IMP_COMPILER_ENABLE_WARNINGS \
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IMP_VC_PRAGMA(warning(push)) IMP_VC_PRAGMA(warning(disable : 4273)) \
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IMP_VC_PRAGMA(warning(disable : 4244)) \
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IMP_VC_PRAGMA(warning(disable : 4068)) \
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IMP_VC_PRAGMA(warning(disable : 4297))
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#define IMP_COMPILER_DISABLE_WARNINGS IMP_VC_PRAGMA(warning(pop))
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#define IMP_HELPER_MACRO_PUSH_WARNINGS
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#define IMP_HELPER_MACRO_POP_WARNINGS
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#else
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#define IMP_COMPILER_ENABLE_WARNINGS
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#define IMP_COMPILER_DISABLE_WARNINGS
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#define IMP_HELPER_MACRO_PUSH_WARNINGS
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#define IMP_HELPER_MACRO_POP_WARNINGS
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#endif
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#if defined(__GNUC__) || defined(__clang__)
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#define IMP_DEPRECATED_ATTRIBUTE __attribute__((deprecated))
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#else
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#define IMP_DEPRECATED_ATTRIBUTE
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#endif
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#endif
/* IMPBASE_COMPILER_MACROS_H */
