mirror of
https://github.com/HDFGroup/hdf5.git
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110 lines
4.0 KiB
CMake
110 lines
4.0 KiB
CMake
#
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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://support.hdfgroup.org/ftp/HDF5/releases.
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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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#
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# This file provides functions for C++ support.
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#
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#-------------------------------------------------------------------------------
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ENABLE_LANGUAGE (CXX)
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set (HDF_PREFIX "H5")
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#-------------------------------------------------------------------------------
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# Fix CXX flags if we are compiling staticly on Windows using
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# Windows_MT.cmake from config/cmake/UserMacros
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#-------------------------------------------------------------------------------
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if (BUILD_STATIC_CRT_LIBS)
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TARGET_STATIC_CRT_FLAGS ()
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endif ()
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#-----------------------------------------------------------------------------
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# Configure Checks which require CXX compilation must go in here
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# not in the main ConfigureChecks.cmake files, because if the user has
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# no CXX compiler, problems arise.
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#-----------------------------------------------------------------------------
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include (CheckIncludeFileCXX)
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include (TestForSTDNamespace)
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# IF the c compiler found stdint, check the C++ as well. On some systems this
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# file will be found by C but not C++, only do this test IF the C++ compiler
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# has been initialized (e.g. the project also includes some c++)
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if (${HDF_PREFIX}_HAVE_STDINT_H AND CMAKE_CXX_COMPILER_LOADED)
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CHECK_INCLUDE_FILE_CXX ("stdint.h" ${HDF_PREFIX}_HAVE_STDINT_H_CXX)
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if (NOT ${HDF_PREFIX}_HAVE_STDINT_H_CXX)
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set (${HDF_PREFIX}_HAVE_STDINT_H "" CACHE INTERNAL "Have includes HAVE_STDINT_H")
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set (USE_INCLUDES ${USE_INCLUDES} "stdint.h")
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endif ()
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endif ()
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# For other CXX specific tests, use this MACRO.
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macro (HDF_CXX_FUNCTION_TEST OTHER_TEST)
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if (NOT DEFINED ${OTHER_TEST})
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set (MACRO_CHECK_FUNCTION_DEFINITIONS "-D${OTHER_TEST} ${CMAKE_REQUIRED_FLAGS}")
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set (OTHER_TEST_ADD_LIBRARIES)
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if (CMAKE_REQUIRED_LIBRARIES)
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set (OTHER_TEST_ADD_LIBRARIES "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
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endif ()
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foreach (def
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HAVE_SYS_TIME_H
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HAVE_UNISTD_H
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HAVE_SYS_TYPES_H
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HAVE_SYS_SOCKET_H
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HAVE_SYS_FILE_H
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)
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if ("${${HDF_PREFIX}_${def}}")
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set (MACRO_CHECK_FUNCTION_DEFINITIONS "${MACRO_CHECK_FUNCTION_DEFINITIONS} -D${def}")
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endif ()
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endforeach ()
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if (LARGEFILE)
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set (MACRO_CHECK_FUNCTION_DEFINITIONS
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"${MACRO_CHECK_FUNCTION_DEFINITIONS} -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE"
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)
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endif ()
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#message (STATUS "Performing ${OTHER_TEST}")
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TRY_COMPILE (${OTHER_TEST}
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${CMAKE_BINARY_DIR}
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${HDF_RESOURCES_EXT_DIR}/HDFCXXTests.cpp
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CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS}
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"${OTHER_TEST_ADD_LIBRARIES}"
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OUTPUT_VARIABLE OUTPUT
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)
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if (${OTHER_TEST} EQUAL 0)
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set (${OTHER_TEST} 1 CACHE INTERNAL "CXX test ${FUNCTION}")
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message (STATUS "Performing CXX Test ${OTHER_TEST} - Success")
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else ()
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message (STATUS "Performing CXX Test ${OTHER_TEST} - Failed")
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set (${OTHER_TEST} "" CACHE INTERNAL "CXX test ${FUNCTION}")
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file (APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
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"Performing CXX Test ${OTHER_TEST} failed with the following output:\n"
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"${OUTPUT}\n"
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)
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endif ()
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endif ()
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endmacro ()
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#-----------------------------------------------------------------------------
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# Check a bunch of cxx functions
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#-----------------------------------------------------------------------------
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if (CMAKE_CXX_COMPILER_LOADED)
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foreach (test
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OLD_HEADER_FILENAME
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HDF_NO_NAMESPACE
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HDF_NO_STD
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BOOL_NOTDEFINED
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NO_STATIC_CAST
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CXX_HAVE_OFFSETOF
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)
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HDF_CXX_FUNCTION_TEST (${test})
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endforeach ()
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endif ()
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