32 lines
1.4 KiB
CMake
32 lines
1.4 KiB
CMake
cmake_minimum_required(VERSION 3.3.0 FATAL_ERROR)
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# prevent multiple inclusion
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if (DEFINED TEMPLATE_FINDER_LOADED)
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return()
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endif ()
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set(TEMPLATE_FINDER_LOADED YES)
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function (find_template_file FILE_NAME PROJECT_VAR_NAME OUTPUT_VAR)
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if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/${FILE_NAME}.in")
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# check own source directory
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set(${OUTPUT_VAR}
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"${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/${FILE_NAME}.in"
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PARENT_SCOPE)
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message(STATUS "Using template for ${FILE_NAME} from own (${META_PROJECT_NAME}) source directory.")
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elseif (EXISTS "${${PROJECT_VAR_NAME}_SOURCE_DIR}/cmake/templates/${FILE_NAME}.in")
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# check sources of project
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set(${OUTPUT_VAR}
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"${${PROJECT_VAR_NAME}_SOURCE_DIR}/cmake/templates/${FILE_NAME}.in"
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PARENT_SCOPE)
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message(STATUS "Using template for ${FILE_NAME} from ${PROJECT_VAR_NAME} source directory.")
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elseif (EXISTS "${${PROJECT_VAR_NAME}_CONFIG_DIRS}/templates/${FILE_NAME}.in")
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# check installed version of project
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set(${OUTPUT_VAR}
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"${${PROJECT_VAR_NAME}_CONFIG_DIRS}/templates/${FILE_NAME}.in"
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PARENT_SCOPE)
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message(STATUS "Using template for ${FILE_NAME} from ${PROJECT_VAR_NAME} installation.")
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else ()
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message(FATAL_ERROR "Template for ${FILE_NAME} file can not be located.")
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endif ()
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endfunction ()
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