76 lines
2.3 KiB
CMake
76 lines
2.3 KiB
CMake
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#
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# Dew Cmake Bootstrap + functionality module
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# https://github.com/sfuller/dew
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#
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# It is not recommended to modify this file, as it may need to be updated to ensure future dew version compatibility.
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#
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# It is encouraged to check this file into your project's VCS. Doing so will allow your cmake project to easily
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# integrate with Dew.
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#
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cmake_minimum_required(VERSION 3.2)
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function(integrate_dew)
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#
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# Skip everything if we are building from dew
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#
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if ($ENV{INVOKED_BY_DEW})
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return()
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endif()
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if (${CMAKE_BUILD_TYPE} STREQUAL Debug)
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set(dew_cmake_prefix_suffix debug)
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else()
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set(dew_cmake_prefix_suffix release)
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endif()
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set(dew_output_path "${CMAKE_CURRENT_SOURCE_DIR}/.dew")
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set(dew_cmake_prefix_path "${dew_output_path}/prefix-${dew_cmake_prefix_suffix}")
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set(dew_cmake_module_path "${dew_cmake_prefix_path}/share/cmake/Modules")
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#
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# Create a warning and return early if dew directory does not exist.
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#
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if (NOT EXISTS "${dew_output_path}")
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message(WARNING "Could not find .dew directory. Please follow the project's instructions for installing and running dew.")
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return()
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endif()
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#
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# Check if we have already added the dew directory to CMAKE_PREFIX_PATH
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#
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set(needs_new_prefix TRUE)
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foreach (path ${CMAKE_PREFIX_PATH})
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if (path STREQUAL "${dew_cmake_prefix_path}")
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set(needs_new_prefix FALSE)
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break()
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endif()
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endforeach()
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#
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# Check if we have already added the dew cmake module directory to CMAKE_MODULE_PATH
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#
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set(needs_new_module_path TRUE)
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foreach (path ${CMAKE_MODULE_PATH})
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if (path STREQUAL "${dew_cmake_module_path}")
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set(needs_new_module_path FALSE)
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break()
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endif()
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endforeach()
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#
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# Add dew directory to CMAKE_PREFIX_PATH if necesary
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#
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if ("${needs_new_prefix}")
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set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} "${dew_cmake_prefix_path}" CACHE PATH "" FORCE)
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endif()
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#
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# Add dew cmake module directory to CMAKE_MODULE_PATH if necesary
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#
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if ("${needs_new_module_path}")
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set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${dew_cmake_module_path}" CACHE PATH "" FORCE)
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endif()
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set(DEW_CMAKE_PREFIX_PATH ${dew_cmake_prefix_path} PARENT_SCOPE)
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endfunction()
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