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#
# Copyright(c) 2021 to 2022 ZettaScale Technology and others
#
# This program and the accompanying materials are made available under the
# terms of the Eclipse Public License v. 2.0 which is available at
# http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
# v. 1.0 which is available at
# http://www.eclipse.org/org/documents/edl-v10.php.
#
# SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
#
if(__GENERATE_EXPORT_HEADER_INCLUDED__)
return()
endif()
set(__GENERATE_EXPORT_HEADER_INCLUDED__ TRUE)
get_filename_component(_current_list_dir "${CMAKE_CURRENT_LIST_DIR}" ABSOLUTE)
foreach(_module_dir ${CMAKE_MODULE_PATH} ${CMAKE_ROOT}/Modules)
get_filename_component(_module_dir "${_module_dir}" ABSOLUTE)
if(NOT _current_list_dir STREQUAL _module_dir)
if(EXISTS "${_module_dir}/GenerateExportHeader.cmake")
set(_include_file "${_module_dir}/GenerateExportHeader.cmake")
break()
endif()
endif()
endforeach()
if(_include_file)
include("${_include_file}")
macro(GENERATE_EXPORT_HEADER TARGET_LIBRARY)
set(_opts)
set(_single_opts PREFIX_NAME BASE_NAME CUSTOM_CONTENT_FROM_VARIABLE)
set(_multi_opts)
cmake_parse_arguments(_GEHW "${_opts}" "${_single_opts}" "${_multi_opts}" ${ARGN})
string(MAKE_C_IDENTIFIER "${TARGET_LIBRARY}" _target_name)
set(_prefix_name "${_GEHW_PREFIX_NAME}")
set(_base_name "${TARGET_LIBRARY}")
if(_GEHW_PREFIX_NAME)
set(_prefix_name_args PREFIX_NAME "${_GEHW_PREFIX_NAME}")
endif()
if(_GEHW_BASE_NAME)
set(_base_name_args BASE_NAME "${_GEHW_BASE_NAME}")
set(_base_name ${_GEHW_BASE_NAME})
endif()
string(TOUPPER ${_base_name} _base_name_upper)
# Exporting inline functions using the __declspec(dllexport) keyword in
# dynamic-link libraries results in "multiple definitions of xxx" if
# compiled with MinGW. Export the extern inline declaration instead.
# See https://gitlab.kitware.com/cmake/cmake/-/issues/21940 for details.
set(_custom_content
"
#ifndef ${_prefix_name}${_base_name_upper}_INLINE_EXPORT
# if __MINGW32__ && (!defined(__clang__) || !defined(${_target_name}_EXPORTS))
# define ${_prefix_name}${_base_name_upper}_INLINE_EXPORT
# else
# define ${_prefix_name}${_base_name_upper}_INLINE_EXPORT ${_prefix_name}${_base_name_upper}_EXPORT
# endif
#endif
")
if(_GEHW_CUSTOM_CONTENT_FROM_VARIABLE)
set(_custom_content
"${_custom_content}\n${${_GEHW_CUSTOM_CONTENT_FROM_VARIABLE}}")
endif()
_GENERATE_EXPORT_HEADER(
${TARGET_LIBRARY}
${_prefix_name_args}
${_base_name_args}
CUSTOM_CONTENT_FROM_VARIABLE _custom_content
${_GEHW_UNPARSED_ARGUMENTS})
endmacro()
endif()
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