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326 lines
14 KiB
326 lines
14 KiB
#
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# Copyright by The HDF Group.
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# All rights reserved.
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#
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# This file is part of HDF5. The full HDF5 copyright notice, including
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# terms governing use, modification, and redistribution, is contained in
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# the COPYING file, which can be found at the root of the source code
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# distribution tree, or in https://www.hdfgroup.org/licenses.
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# If you do not have access to either file, you may request a copy from
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# help@hdfgroup.org.
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#
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ENABLE_LANGUAGE (CXX)
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set (CMAKE_CXX_STANDARD 11)
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set (CMAKE_CXX_STANDARD_REQUIRED TRUE)
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set (CMAKE_CXX_EXTENSIONS OFF)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_SANITIZER_FLAGS} ${CMAKE_CXX_FLAGS}")
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message (VERBOSE "Warnings Configuration: CXX default: ${CMAKE_CXX_FLAGS}")
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#-----------------------------------------------------------------------------
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# Compiler specific flags : Shouldn't there be compiler tests for these
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#-----------------------------------------------------------------------------
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if (WIN32 AND CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
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set (_INTEL_WINDOWS 1)
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endif ()
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if (WIN32 AND CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang" AND "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
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set (_CLANG_MSVC_WINDOWS 1)
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endif()
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# MSVC 14.28 enables C5105, but the Windows SDK 10.0.18362.0 triggers it.
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if ((_CLANG_MSVC_WINDOWS OR CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") AND CMAKE_CXX_COMPILER_LOADED)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc")
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if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.28)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -wd5105")
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endif ()
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endif ()
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if (CMAKE_CXX_COMPILER_ID STREQUAL SunPro AND CMAKE_CXX_COMPILER_LOADED)
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if (NOT DEFINED CMAKE_CXX${CMAKE_CXX_STANDARD}_STANDARD_COMPILE_OPTION)
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.13)
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if (NOT CMAKE_CXX_STANDARD OR CMAKE_CXX_STANDARD EQUAL 98)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++03")
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endif ()
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else ()
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -library=stlport4")
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endif ()
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endif ()
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endif ()
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if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
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set (CMAKE_CXX_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_CXX_FLAGS}")
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if (${HDF_CFG_NAME} MATCHES "Debug" OR ${HDF_CFG_NAME} MATCHES "Developer")
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Og -ftrapv -fno-common")
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endif ()
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else ()
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstdarg-opt")
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endif ()
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.0)
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if (HDF5_ENABLE_BUILD_DIAGS)
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message (STATUS "... default color and URL extended diagnostic messages enabled")
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else ()
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message (STATUS "... disable color and URL extended diagnostic messages")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fdiagnostics-urls=never -fno-diagnostics-color")
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endif ()
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endif ()
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endif ()
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endif ()
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#-----------------------------------------------------------------------------
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# Option to allow the user to disable compiler warnings
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#-----------------------------------------------------------------------------
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if (HDF5_DISABLE_COMPILER_WARNINGS)
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message (STATUS "....Compiler warnings are suppressed")
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# MSVC uses /w to suppress warnings. It also complains if another
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# warning level is given, so remove it.
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if (MSVC)
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set (HDF5_WARNINGS_BLOCKED 1)
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if (CMAKE_CXX_COMPILER_LOADED)
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W0")
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endif ()
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endif ()
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if (WIN32)
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add_definitions (-D_CRT_SECURE_NO_WARNINGS)
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endif ()
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# Most compilers use -w to suppress warnings.
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if (NOT HDF5_WARNINGS_BLOCKED)
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if (CMAKE_CXX_COMPILER_LOADED)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w")
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endif ()
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endif ()
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endif ()
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#-----------------------------------------------------------------------------
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# HDF5 library compile options
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#-----------------------------------------------------------------------------
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if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
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list (APPEND HDF5_CMAKE_CXX_FLAGS "-erroff=%none -DBSD_COMP")
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else ()
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# General flags
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#
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# Note that some of the flags listed here really should be developer
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# flags (listed in a separate variable, below) but we put them here
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# because they are not raised by the current code and we'd like to
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# know if they do start showing up.
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#
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# NOTE: Don't add -Wpadded here since we can't/won't fix the (many)
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# warnings that are emitted. If you need it, add it at configure time.
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if (CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
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if (_INTEL_WINDOWS)
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ADD_H5_FLAGS (HDF5_CMAKE_CXX_FLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/win-general")
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else ()
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ADD_H5_FLAGS (HDF5_CMAKE_CXX_FLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/general")
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endif()
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if (NOT _INTEL_WINDOWS)
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if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 15.0)
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/15")
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endif()
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if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 18.0)
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/18")
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endif()
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endif()
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elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED
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AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8)
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# add the general CXX flags for g++ compiler versions 4.8 and above.
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ADD_H5_FLAGS (HDF5_CMAKE_CXX_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-general")
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-error-general")
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endif ()
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elseif (CMAKE_CXX_COMPILER_ID MATCHES "IntelLLVM" OR CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang")
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ADD_H5_FLAGS (HDF5_CMAKE_CXX_FLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/general")
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elseif (CMAKE_CXX_COMPILER_ID STREQUAL "PGI")
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list (APPEND HDF5_CMAKE_CXX_FLAGS "-Minform=inform")
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endif ()
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message (VERBOSE "CMAKE_CXX_FLAGS_GENERAL=${HDF5_CMAKE_CXX_FLAGS}")
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endif ()
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#-----------------------------------------------------------------------------
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# Option to allow the user to enable developer warnings
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# Developer warnings (suggestions from gcc, not code problems)
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#-----------------------------------------------------------------------------
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if (HDF5_ENABLE_DEV_WARNINGS)
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message (STATUS "....HDF5 developer group warnings are enabled")
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if (CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/developer-general")
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elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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# Use the C warnings as CXX warnings are the same
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-general")
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elseif (CMAKE_CXX_COMPILER_ID MATCHES "IntelLLVM" OR CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang")
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/developer-general")
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endif ()
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else ()
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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# Use the C warnings as CXX warnings are the same
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-general")
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elseif (CMAKE_CXX_COMPILER_ID MATCHES "IntelLLVM" OR CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang")
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/no-developer-general")
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endif ()
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endif ()
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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# Technically, variable-length arrays are part of the C99 standard, but
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# we should approach them a bit cautiously... Only needed for gcc 4.X
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if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0 AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8)
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# Use the C warnings as CXX warnings are the same
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.8-4.last")
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endif ()
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# Append more extra warning flags that only gcc 4.8+ knows about
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-4.8")
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if (HDF5_ENABLE_DEV_WARNINGS)
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# Use the C warnings as CXX warnings are the same
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-developer-4.8")
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else ()
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-cxx-developer-4.8")
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endif ()
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endif ()
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# Append more extra warning flags that only gcc 4.9+ knows about
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)
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# Use the C warnings as CXX warnings are the same
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-4.9")
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endif ()
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# Append more extra warning flags that only gcc 5.1+ knows about
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
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# autotools always add the C flags with the CXX flags
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-5")
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-error-5")
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endif ()
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# Append more extra warning flags that only gcc 6.x+ knows about
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.0)
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# Use the C warnings as CXX warnings are the same
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/6")
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endif ()
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# Append more extra warning flags that only gcc 7.x+ knows about
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0)
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# Use the C warnings as CXX warnings are the same
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ADD_H5_FLAGS (H5_CXxFLAGS2 "${HDF5_SOURCE_DIR}/config/gnu-warnings/7")
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if (HDF5_ENABLE_DEV_WARNINGS)
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# Use the C warnings as CXX warnings are the same
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-7")
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#else ()
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# ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-7")
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endif ()
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endif ()
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# Append more extra warning flags that only gcc 8.x+ knows about
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0)
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# Use the C warnings as CXX warnings are the same
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/8")
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-8")
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if (HDF5_ENABLE_DEV_WARNINGS)
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# Use the C warnings as CXX warnings are the same
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-8")
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else ()
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# autotools always add the C flags with the CXX flags
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-8")
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endif ()
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endif ()
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# Append more extra warning flags that only gcc 9.x+ knows about
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.0)
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# Use the C warnings as CXX warnings are the same
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-9")
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endif ()
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# Append more extra warning flags that only gcc 9.3+ knows about
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.3)
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# do not use C warnings, gnu-warnings 9.3, no cxx warnings
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# ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/9.3")
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endif ()
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# Append more extra warning flags that only gcc 10.x+ knows about
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.0)
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if (HDF5_ENABLE_DEV_WARNINGS)
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# Use the C warnings as CXX warnings are the same
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ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-10")
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#else ()
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# ADD_H5_FLAGS (H5_CXXFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-10")
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endif ()
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endif ()
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endif ()
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#-----------------------------------------------------------------------------
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# Option to allow the user to enable all warnings
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#-----------------------------------------------------------------------------
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if (HDF5_ENABLE_ALL_WARNINGS)
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message (STATUS "....All Warnings are enabled")
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if (MSVC)
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if (HDF5_ENABLE_DEV_WARNINGS)
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if (CMAKE_CXX_COMPILER_LOADED)
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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list (APPEND HDF5_CMAKE_CXX_FLAGS "/Wall" "/wd4668")
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endif ()
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else ()
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if (CMAKE_CXX_COMPILER_LOADED)
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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list (APPEND HDF5_CMAKE_CXX_FLAGS "/W3" "/wd4100" "/wd4706" "/wd4127")
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endif ()
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endif ()
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else ()
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if (CMAKE_CXX_COMPILER_LOADED)
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list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CXXFLAGS})
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endif ()
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endif ()
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endif ()
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#-----------------------------------------------------------------------------
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# This is in here to help some of the GCC based IDES like Eclipse
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# and code blocks parse the compiler errors and warnings better.
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#-----------------------------------------------------------------------------
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if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fmessage-length=0")
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endif ()
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#-----------------------------------------------------------------------------
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# Option for --enable-symbols
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# This option will force/override the default setting for all configurations
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#-----------------------------------------------------------------------------
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if (HDF5_ENABLE_SYMBOLS MATCHES "YES")
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if (CMAKE_CXX_COMPILER_LOADED)
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if (CMAKE_CXX_COMPILER_ID STREQUAL "Intel" AND NOT _INTEL_WINDOWS)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g")
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elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g")
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endif ()
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endif ()
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elseif (HDF5_ENABLE_SYMBOLS MATCHES "NO")
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if (CMAKE_CXX_COMPILER_LOADED)
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if (CMAKE_CXX_COMPILER_ID STREQUAL "Intel" AND NOT _INTEL_WINDOWS)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wl,-s")
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elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s")
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endif ()
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endif ()
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endif ()
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#-----------------------------------------------------------------------------
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# Option for --enable-profiling
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# This option will force/override the default setting for all configurations
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#-----------------------------------------------------------------------------
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if (HDF5_ENABLE_PROFILING)
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if (CMAKE_CXX_COMPILER_LOADED)
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list (APPEND HDF5_CMAKE_CXX_FLAGS "${PROFILE_CXXFLAGS}")
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endif ()
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endif ()
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#-----------------------------------------------------------------------------
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# Option for --enable-optimization
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# This option will force/override the default setting for all configurations
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#-----------------------------------------------------------------------------
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if (HDF5_ENABLE_OPTIMIZATION)
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if (CMAKE_CXX_COMPILER_LOADED)
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list (APPEND HDF5_CMAKE_CXX_FLAGS "${OPTIMIZE_CXXFLAGS}")
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endif ()
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endif ()
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