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53 lines
1.8 KiB
CMake
53 lines
1.8 KiB
CMake
#
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# Copyright (c) Marcus Holland-Moritz
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#
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# This file is part of dwarfs.
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#
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# dwarfs is free software: you can redistribute it and/or modify it under the
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# 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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# dwarfs is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU General Public License for more 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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# dwarfs. If not, see <https://www.gnu.org/licenses/>.
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#
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cmake_minimum_required(VERSION 3.28.0)
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try_run(
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PHMAP_RUN_RESULT
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PHMAP_COMPILE_RESULT
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SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/cmake/checks/phmap-version.cpp
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CMAKE_FLAGS -DINCLUDE_DIRECTORIES=${TRY_RUN_INCLUDE_DIRECTORIES}
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CXX_STANDARD ${DWARFS_CXX_STANDARD}
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RUN_OUTPUT_VARIABLE PHMAP_VERSION
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COMPILE_OUTPUT_VARIABLE PHMAP_COMPILE_OUTPUT
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)
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if(PHMAP_RUN_RESULT EQUAL 0)
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if(PHMAP_VERSION VERSION_LESS ${PARALLEL_HASHMAP_REQUIRED_VERSION})
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string(STRIP "${PHMAP_VERSION}" PHMAP_VERSION)
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message(STATUS "System-installed parallel-hashmap version ${PHMAP_VERSION} is less than required version ${PARALLEL_HASHMAP_REQUIRED_VERSION}")
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endif()
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else()
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message(STATUS "failed to check parallel-hashmap version")
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message(VERBOSE "${PHMAP_COMPILE_OUTPUT}")
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endif()
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if(PHMAP_RUN_RESULT EQUAL 0 AND PHMAP_VERSION VERSION_GREATER_EQUAL ${PARALLEL_HASHMAP_REQUIRED_VERSION})
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add_library(phmap INTERFACE)
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else()
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FetchContent_Declare(
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parallel-hashmap
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GIT_REPOSITORY ${PARALLEL_HASHMAP_GIT_REPO}
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GIT_TAG v${PARALLEL_HASHMAP_PREFERRED_VERSION}
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EXCLUDE_FROM_ALL
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SYSTEM
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)
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FetchContent_MakeAvailable(parallel-hashmap)
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endif()
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