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45 lines
1.6 KiB
CMake
45 lines
1.6 KiB
CMake
# Copyright 2019 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Downloads and unpacks Abseil at configure time
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set(workdir "${CMAKE_BINARY_DIR}/absl-download")
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configure_file("${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt.in"
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"${workdir}/CMakeLists.txt")
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execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
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RESULT_VARIABLE error
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WORKING_DIRECTORY "${workdir}")
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if(error)
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message(FATAL_ERROR "CMake step for ${PROJECT_NAME} failed: ${error}")
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endif()
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execute_process(COMMAND ${CMAKE_COMMAND} --build .
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RESULT_VARIABLE error
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WORKING_DIRECTORY "${workdir}")
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if(error)
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message(FATAL_ERROR "Build step for ${PROJECT_NAME} failed: ${error}")
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endif()
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set(_sapi_saved_CMAKE_CXX_STANDARD ${CMAKE_CXX_STANDARD})
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set(CMAKE_CXX_STANDARD ${SAPI_CXX_STANDARD})
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set(ABSL_USE_GOOGLETEST_HEAD OFF CACHE BOOL "" FORCE)
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add_subdirectory("${CMAKE_BINARY_DIR}/absl-src"
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"${CMAKE_BINARY_DIR}/absl-build" EXCLUDE_FROM_ALL)
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if(_sapi_saved_CMAKE_CXX_STANDARD)
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set(CMAKE_CXX_STANDARD "${_sapi_saved_CMAKE_CXX_STANDARD}")
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endif()
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