3e709e7c34
* Committing clang-format changes * Removes pre-C99 build and header cruft * Assumes ANSI C headers exist * Assumes stdbool.h, stdint.h, and inttypes.h are present * Assumes the C++ compiler can handle stdint.h * Removes all work-arounds for missing functionality, especially stdbool.h * Formats source Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
100 lines
3.5 KiB
CMake
100 lines
3.5 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://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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#
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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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# 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} ${CMAKE_REQUIRED_FLAGS}")
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set (OTHER_TEST_ADD_LIBRARIES)
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if (HDF5_REQUIRED_LIBRARIES)
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set (OTHER_TEST_ADD_LIBRARIES "-DLINK_LIBRARIES:STRING=${HDF5_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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if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
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message (TRACE "Performing ${OTHER_TEST}")
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endif ()
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TRY_COMPILE (${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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if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
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message (VERBOSE "Performing CXX Test ${OTHER_TEST} - Success")
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endif ()
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else ()
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if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
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message (VERBOSE "Performing CXX Test ${OTHER_TEST} - Failed")
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endif ()
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set (${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 (cxx_test
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CXX_HAVE_OFFSETOF
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)
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HDF_CXX_FUNCTION_TEST (${cxx_test})
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endforeach ()
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endif ()
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