71 lines
2.5 KiB
CMake
71 lines
2.5 KiB
CMake
# Copyright (C) 2018-2024 INRIA
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#
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# This program is free software: you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation, either version 3 of the License, or (at your option) any later
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# version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program. If not, see <http://www.gnu.org/licenses/>.
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set(CURRENT_FILE_PATH ${CMAKE_CURRENT_LIST_DIR} CACHE INTERNAL "")
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# .rst: .. command:: ADD_GTEST_SUITE([GIT_TAG])
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#
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# GIT_TAG: the git tag of gtest. This optional argument allows to use a precise
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# version of gtest (not necessarily the last main branch).
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#
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# Download and configure gtest. This macro follows the
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# https://github.com/google/googletest/tree/main/googletest#incorporating-into-an-existing-cmake-project
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# instructions.
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#
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macro(ADD_GTEST_SUITE)
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# Handle optional argument
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set(GTEST_GIT_TAG "main")
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set(extra_macro_args ${ARGN})
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list(LENGTH extra_macro_args num_extra_args)
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if(${num_extra_args} GREATER 0)
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list(GET extra_macro_args 0 GTEST_GIT_TAG)
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endif()
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# Download and unpack googletest at configure time
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configure_file(
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${CURRENT_FILE_PATH}/gtest/CMakeLists.txt.in
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gtest/CMakeLists.txt
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)
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execute_process(
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COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
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RESULT_VARIABLE result
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/gtest
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)
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if(result)
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message(FATAL_ERROR "CMake step for googletest failed: ${result}")
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endif()
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execute_process(
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COMMAND ${CMAKE_COMMAND} --build .
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RESULT_VARIABLE result
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/gtest
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)
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if(result)
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message(FATAL_ERROR "Build step for googletest failed: ${result}")
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endif()
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# Prevent overriding the parent project's compiler/linker settings on Windows
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set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
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# Add googletest directly to our build. This defines the gtest and gtest_main
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# targets.
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add_subdirectory(
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${CMAKE_CURRENT_BINARY_DIR}/gtest/src
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${CMAKE_CURRENT_BINARY_DIR}/gtest/build
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EXCLUDE_FROM_ALL
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)
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# Force the include directories to be silent with respect to warnings.
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include_directories(SYSTEM "${gtest_SOURCE_DIR}/include")
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endmacro(ADD_GTEST_SUITE)
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