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97 lines
2.6 KiB
CMake
97 lines
2.6 KiB
CMake
cmake_minimum_required(VERSION 3.14)
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project(portable-snippets LANGUAGES C)
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include(GNUInstallDirs)
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option(PSNIP_INSTALL_HEADERS "Install header files" ON)
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# https://stackoverflow.com/questions/7787823/cmake-how-to-get-the-name-of-all-subdirectories-of-a-directory
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function (list_subdir output_variable path)
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file(GLOB sub_entries RELATIVE ${path} ${path}/*)
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set(dirlist "")
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foreach (entry ${sub_entries})
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if (IS_DIRECTORY ${path}/${entry})
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list(APPEND dirlist ${entry})
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endif ()
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endforeach ()
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set(${output_variable} ${dirlist} PARENT_SCOPE)
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endfunction ()
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function (check_if_header_only output_variable files)
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set(is_header_only 1)
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foreach (entry ${files})
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get_filename_component(file_ext ${entry} EXT)
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if (file_ext STREQUAL .c)
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set(is_header_only 0)
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endif ()
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endforeach ()
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set(${output_variable} ${is_header_only} PARENT_SCOPE)
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endfunction ()
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list_subdir(subdirs ${CMAKE_CURRENT_LIST_DIR})
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list(REMOVE_ITEM subdirs tests)
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set(namespace unofficial::portable-snippets)
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foreach (subdir ${subdirs})
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set(module ${subdir})
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set(module_path "${CMAKE_CURRENT_LIST_DIR}/${subdir}")
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file(GLOB entries
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LIST_DIRECTORIES false
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${module_path}/*.h
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${module_path}/*.c
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)
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check_if_header_only(header_only "${entries}")
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if (header_only)
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add_library(${module} INTERFACE)
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target_include_directories(
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${module}
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INTERFACE
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$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
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)
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else ()
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add_library(${module} STATIC ${entries})
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set_target_properties(
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${module}
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PROPERTIES
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PREFIX ""
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OUTPUT_NAME "psnip-${module}"
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)
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target_include_directories(
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${module}
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PUBLIC
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$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}>
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$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
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)
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list(FILTER entries EXCLUDE REGEX "\.c$")
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endif ()
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add_library(${namespace}::${module} ALIAS ${module})
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if (PSNIP_INSTALL_HEADERS)
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install(FILES ${entries} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${subdir})
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endif ()
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install(TARGETS ${module} EXPORT unofficial-portable-snippets-config)
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endforeach ()
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install(
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EXPORT unofficial-portable-snippets-config
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NAMESPACE ${namespace}::
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DESTINATION share/unofficial-portable-snippets
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PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
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)
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