Import Geant4 9.6.0 source tree
This commit is contained in:
Gabriele Cosmo
@@ -1,77 +1,200 @@
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# - Geant4MakeRules_cxx
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# Sets the default make rules for a CXX build, specifically the initialization
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# of the compiler flags on a platform dependent basis
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# Sets the default make rules for a CXX build, specifically the
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# initialization of the compiler flags on a platform and compiler
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# dependent basis
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#
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#
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#-----------------------------------------------------------------------
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# C++ Standard Setup
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#-----------------------------------------------------------------------
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# If the compiler supports setting a particular C++ Standard to use
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# when compiling, configure the following global variables that can
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# be used later on to select the standard
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#
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# CXXSTD_IS_AVAILABLE List of C++ Standards supported by the
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# compiler. It is empty if the compiler
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# does not support setting the standard,
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# e.g. MSVC.
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#
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# <CXXSTD>_FLAGS List of flags needed to compile with
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# CXXSTD under the detected compiler.
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#
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# We don't add these flags to CMAKE_CXX_FLAGS_INIT as the choice
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# of standard is a configure time choice, and may be changed in
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# the cache.
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#
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# Settings for each compiler are handled in a dedicated function.
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# Whilst we only handle GNU, Clang and Intel, these are sufficiently
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# different in the required flags that individual handling is needed.
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#
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message(STATUS "setting default compiler flags for CXX")
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#------------------------------------------------------------------------------
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# GNU C++ Compiler on all(?) platforms
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#-----------------------------------------------------------------------
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# function __configure_cxxstd_gnu()
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# Determine version of GNU compiler and set available C++
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# Standards and flags as appropriate in the function's
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# parent scope.
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#
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# Note that this function is safe in CMake < 2.8.2 where
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# the Clang compiler is identified as the GNU compiler.
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# Clang allows the -dumpversion argument and provides
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# a value such that we will use the sensible default
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# standard of 'c++98'
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#
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if(CMAKE_COMPILER_IS_GNUCXX)
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set(CMAKE_CXX_FLAGS_INIT "-W -Wall -ansi -pedantic -Wno-non-virtual-dtor -Wno-long-long -Wwrite-strings -Wpointer-arith -Woverloaded-virtual -pipe")
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function(__configure_cxxstd_gnu)
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execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion
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OUTPUT_VARIABLE _gnucxx_version
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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if(_gnucxx_version VERSION_LESS 4.3)
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set(_CXXSTDS "c++98")
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elseif(_gnucxx_version VERSION_LESS 4.7)
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set(_CXXSTDS "c++98" "c++0x")
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else()
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set(_CXXSTDS "c++98" "c++0x" "c++11")
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endif()
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set(CXXSTD_IS_AVAILABLE ${_CXXSTDS} PARENT_SCOPE)
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foreach(_s ${_CXXSTDS})
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set(${_s}_FLAGS "-std=${_s}" PARENT_SCOPE)
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endforeach()
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endfunction()
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#-----------------------------------------------------------------------
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# function __configure_cxxstd_clang()
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# Determine version of Clang compiler and set available C++
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# Standards and flags as appropriate in the function's
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# parent scope.
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#
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function(__configure_cxxstd_clang)
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# Hmm, Clang seems to dump -v to stderr...
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execute_process(COMMAND ${CMAKE_CXX_COMPILER} -v
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ERROR_VARIABLE _clangcxx_dumpedversion
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ERROR_STRIP_TRAILING_WHITESPACE
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)
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string(REGEX REPLACE ".*clang version ([0-9]\\.[0-9]+).*" "\\1" _clangcxx_version ${_clangcxx_dumpedversion})
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message(STATUS "Clang version : ${_clangcxx_version}")
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if(_clangcxx_version VERSION_LESS 2.9)
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set(_CXXSTDS "c++98")
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else()
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set(_CXXSTDS "c++98" "c++0x" "c++11")
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endif()
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set(CXXSTD_IS_AVAILABLE ${_CXXSTDS} PARENT_SCOPE)
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foreach(_s ${_CXXSTDS})
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set(${_s}_FLAGS "-std=${_s}" PARENT_SCOPE)
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endforeach()
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endfunction()
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#-----------------------------------------------------------------------
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# function __configure_cxxstd_intel()
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# Determine version of Intel compiler and set available C++
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# Standards and flags as appropriate in the function's
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# parent scope.
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#
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function(__configure_cxxstd_intel)
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execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion
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OUTPUT_VARIABLE _icpc_dumpedversion
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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if(_icpc_dumpedversion VERSION_LESS 11.0)
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set(_CXXSTDS "c++98")
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else()
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set(_CXXSTDS "c++98" "c++0x")
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endif()
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set(CXXSTD_IS_AVAILABLE ${_CXXSTDS} PARENT_SCOPE)
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foreach(_s ${_CXXSTDS})
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# - Intel does not support '-std=c++98'
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if(${_s} MATCHES "c\\+\\+98")
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set(${_s}_FLAGS "-ansi" PARENT_SCOPE)
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else()
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set(${_s}_FLAGS "-std=${_s}" PARENT_SCOPE)
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endif()
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endforeach()
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endfunction()
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#-----------------------------------------------------------------------
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# DEFAULT FLAG SETTING
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#-----------------------------------------------------------------------
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# GNU C++ or LLVM/Clang Compiler on all(?) platforms
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# NB: At present, only identifies clang correctly on CMake > 2.8.1
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if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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set(CMAKE_CXX_FLAGS_INIT "-W -Wall -pedantic -Wno-non-virtual-dtor -Wno-long-long -Wwrite-strings -Wpointer-arith -Woverloaded-virtual -pipe")
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set(CMAKE_CXX_FLAGS_DEBUG_INIT "-g")
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set(CMAKE_CXX_FLAGS_RELEASE_INIT "-O2 -DNDEBUG")
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set(CMAKE_CXX_FLAGS_MINSIZEREL_INIT "-Os -DNDEBUG")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "-O2 -g")
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# Extra Geant4 modes
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# - TestRelease
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set(__testrelease_flags "-g -DG4DEBUG_VERBOSE -DG4FPE_DEBUG")
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if(NOT APPLE)
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# Only non-Apple platforms should have optimization - on Apple, this
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# is reported to cause problems with floating point debugging.
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set(__testrelease_flags "-O2 ${__testrelease_flags}")
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# Remove superfluous "unused argument" "warnings" from Clang
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if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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set(CMAKE_CXX_FLAGS_INIT "${CMAKE_CXX_FLAGS_INIT} -Qunused-arguments")
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endif()
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set(CMAKE_CXX_FLAGS_TESTRELEASE_INIT "${__testrelease_flags}")
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# Extra Geant4 modes
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# - TestRelease
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set(CMAKE_CXX_FLAGS_TESTRELEASE_INIT "-g -DG4DEBUG_VERBOSE -DG4FPE_DEBUG")
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# - Maintainer
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set(CMAKE_CXX_FLAGS_MAINTAINER_INIT "-g")
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# - C++ Standard Settings
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if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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__configure_cxxstd_clang()
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else()
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__configure_cxxstd_gnu()
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endif()
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endif()
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#------------------------------------------------------------------------------
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#-----------------------------------------------------------------------
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# MSVC - all (?) versions
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# I don't understand VS flags at all.... Guess try the CMake defaults first
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# and see what happens!
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if(MSVC)
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# Hmm, WIN32-VC.gmk uses dashes, but cmake uses slashes, latter probably
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# best for native build.
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set(CMAKE_CXX_FLAGS_INIT "-MD -GR -EHsc -Zm200 -nologo -D_CONSOLE -D_WIN32 -DWIN32 -DOS -DXPNET -D_CRT_SECURE_NO_DEPRECATE")
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set(CMAKE_CXX_FLAGS_DEBUG_INIT "-Od -Zi")
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set(CMAKE_CXX_FLAGS_RELEASE_INIT "-O2 -DNDEBUG")
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set(CMAKE_CXX_FLAGS_MINSIZEREL_INIT "-Os -DNDEBUG")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "-O2 -Zi")
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set(CMAKE_CXX_FLAGS_INIT "-GR -EHsc -Zm200 -nologo -D_CONSOLE -D_WIN32 -DWIN32 -DOS -DXPNET -D_CRT_SECURE_NO_DEPRECATE")
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set(CMAKE_CXX_FLAGS_DEBUG_INIT "-MDd -Od -Zi")
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set(CMAKE_CXX_FLAGS_RELEASE_INIT "-MD -O2 -DNDEBUG")
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set(CMAKE_CXX_FLAGS_MINSIZEREL_INIT "-MD -Os -DNDEBUG")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "-MD -O2 -Zi")
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# Extra modes
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set(CMAKE_CXX_FLAGS_TESTRELEASE_INIT "-O2 -Zi -G4DEBUG_VERBOSE")
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set(CMAKE_CXX_FLAGS_MAINTAINER_INIT "-Zi")
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set(CMAKE_CXX_FLAGS_TESTRELEASE_INIT "-MDd -Zi -G4DEBUG_VERBOSE")
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set(CMAKE_CXX_FLAGS_MAINTAINER_INIT "-MDd -Zi")
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# We may also have to set linker flags....
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endif()
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#------------------------------------------------------------------------------
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#-----------------------------------------------------------------------
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# Intel C++ Compilers - all (?) platforms
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#
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# Sufficient id on all platforms?
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if(CMAKE_CXX_COMPILER MATCHES "icpc.*")
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set(CMAKE_CXX_FLAGS_INIT "-w1 -Wnon-virtual-dtor -Wpointer-arith -Wwrite-strings -ansi -fp-model precise")
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if(CMAKE_CXX_COMPILER MATCHES "icpc.*|icc.*")
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set(CMAKE_CXX_FLAGS_INIT "-w1 -Wno-non-virtual-dtor -Wpointer-arith -Wwrite-strings -fp-model precise")
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set(CMAKE_CXX_FLAGS_DEBUG_INIT "-g")
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set(CMAKE_CXX_FLAGS_RELEASE_INIT "-O2 -DNDEBUG")
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set(CMAKE_CXX_FLAGS_MINSIZEREL_INIT "-Os -DNDEBUG")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "-O2 -g")
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# Extra modes
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set(CMAKE_CXX_FLAGS_TESTRELEASE_INIT "-O2 -g -G4DEBUG_VERBOSE")
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set(CMAKE_CXX_FLAGS_TESTRELEASE_INIT "-g -G4DEBUG_VERBOSE")
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set(CMAKE_CXX_FLAGS_MAINTAINER_INIT "-g")
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# C++ Standard Settings
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__configure_cxxstd_intel()
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# Linker flags
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set(CMAKE_EXE_LINKER_FLAGS "-i-dynamic -limf")
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endif()
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#------------------------------------------------------------------------------
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#-----------------------------------------------------------------------
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# Ye Olde *NIX/Compiler Systems
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# NB: *NOT* Supported... Only provided as legacy.
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# None are tested...
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@@ -79,7 +202,7 @@ endif()
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# CMake defaults on these platforms are good enough...
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#
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if(UNIX AND NOT CMAKE_COMPILER_IS_GNUCXX)
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#--------------------------------------------------------------------------
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#---------------------------------------------------------------------
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# IBM xlC compiler
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#
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if(CMAKE_CXX_COMPILER MATCHES "xlC")
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@@ -90,7 +213,7 @@ if(UNIX AND NOT CMAKE_COMPILER_IS_GNUCXX)
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "-O3 -g -qdbextra -qcheck=all -qfullpath -qtwolink -+")
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endif()
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#--------------------------------------------------------------------------
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#---------------------------------------------------------------------
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# HP aC++ Compiler
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#
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if(CMAKE_CXX_COMPILER MATCHES "aCC")
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@@ -101,7 +224,7 @@ if(UNIX AND NOT CMAKE_COMPILER_IS_GNUCXX)
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "-O2 +Onolimit -g")
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endif()
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#--------------------------------------------------------------------------
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#---------------------------------------------------------------------
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# IRIX MIPSpro CC Compiler
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#
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if(CMAKE_CXX_COMPILER MATCHES "CC" AND CMAKE_SYSTEM_NAME MATCHES "IRIX")
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@@ -112,7 +235,7 @@ if(UNIX AND NOT CMAKE_COMPILER_IS_GNUCXX)
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "-O -OPT:Olimit=5000 -g")
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endif()
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#--------------------------------------------------------------------------
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#---------------------------------------------------------------------
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# SunOS CC Compiler
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# - CMake may do a reasonable job on its own here...
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endif()
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