Gabriele Cosmo
102 lines
4.0 KiB
CMake
102 lines
4.0 KiB
CMake
# - Geant4MakeRules_cxx
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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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# function __configure_tls_models()
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# Set available thread local storage models. Valid for GNU,
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# Clang and Intel compilers. Adds an additional "auto"
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# dummy model to indicate that no flag should be added.
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#
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function(__configure_tls_models)
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# available models, default first
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set(_TLSMODELS initial-exec local-exec global-dynamic local-dynamic)
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foreach(_s ${_TLSMODELS})
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set(${_s}_TLSMODEL_FLAGS "-ftls-model=${_s}" PARENT_SCOPE)
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endforeach()
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list(APPEND _TLSMODELS auto)
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set(auto_TLSMODEL_FLAGS "" PARENT_SCOPE)
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set(TLSMODEL_IS_AVAILABLE ${_TLSMODELS} PARENT_SCOPE)
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endfunction()
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#-----------------------------------------------------------------------
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# DEFAULT FLAG SETTING
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#-----------------------------------------------------------------------
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# GNU C++ or Clang/AppleClang Compiler on all(?) platforms
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if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES ".*Clang")
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# Warnings
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set(CMAKE_CXX_FLAGS_INIT "-W -Wall -pedantic -Wno-non-virtual-dtor -Wno-long-long -Wwrite-strings -Wpointer-arith -Woverloaded-virtual -Wno-variadic-macros -Wshadow")
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# Use pipes rather than temp files
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set(CMAKE_CXX_FLAGS_INIT "${CMAKE_CXX_FLAGS_INIT} -pipe")
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# Remove superfluous "unused argument" and "GL deprecation" "warnings" from Clang
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if(CMAKE_CXX_COMPILER_ID MATCHES ".*Clang")
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set(CMAKE_CXX_FLAGS_INIT "${CMAKE_CXX_FLAGS_INIT} -Qunused-arguments -DGL_SILENCE_DEPRECATION")
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endif()
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# Additional per-mode flags
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# Assist auto-vectorization in Release
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set(CMAKE_CXX_FLAGS_RELEASE_INIT "${CMAKE_CXX_FLAGS_RELEASE_INIT} -fno-trapping-math -ftree-vectorize -fno-math-errno")
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# Use Debug-safe optimization
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set(CMAKE_CXX_FLAGS_DEBUG_INIT "${CMAKE_CXX_FLAGS_DEBUG_INIT} -Og")
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# Extra Geant4 modes
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# - Debug_FPE: Core Debug mode plus FPE)
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set(CMAKE_CXX_FLAGS_DEBUG_FPE_INIT "${CMAKE_CXX_FLAGS_DEBUG_INIT} -DG4FPE_DEBUG")
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# - TestRelease
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set(CMAKE_CXX_FLAGS_TESTRELEASE_INIT "-g -DG4DEBUG_VERBOSE -DG4FPE_DEBUG")
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# - Full optimization plus debug info (basically -O3 -g)
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set(CMAKE_CXX_FLAGS_FULLRELWITHDEBINFO_INIT "${CMAKE_CXX_FLAGS_RELEASE_INIT} -g")
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# - Multithreading
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__configure_tls_models()
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set(GEANT4_MULTITHREADED_CXX_FLAGS "-pthread")
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endif()
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#-----------------------------------------------------------------------
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# MSVC - all (?) versions
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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 "-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 -Ox -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 -DNDEBUG")
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# Extra modes
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set(CMAKE_CXX_FLAGS_TESTRELEASE_INIT "-MDd -Zi -G4DEBUG_VERBOSE")
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endif()
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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_ID MATCHES "Intel")
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# Warnings
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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 -Wno-variadic-macros -Wshadow -fp-model precise -diag-disable=10441")
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# Use pipes rather than temp files
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set(CMAKE_CXX_FLAGS_INIT "${CMAKE_CXX_FLAGS_INIT} -pipe")
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set(CMAKE_CXX_FLAGS_DEBUG_INIT "-g")
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set(CMAKE_CXX_FLAGS_RELEASE_INIT "-O3 -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 -DNDEBUG")
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# Extra modes
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set(CMAKE_CXX_FLAGS_TESTRELEASE_INIT "-g -G4DEBUG_VERBOSE")
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# - Multithreading
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__configure_tls_models()
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set(GEANT4_MULTITHREADED_CXX_FLAGS "-pthread")
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# Linker flags
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set(CMAKE_EXE_LINKER_FLAGS "-limf")
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endif()
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