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0b73f01703
Without quotes list expansion happens inside the set-call, if the list is empty, this actually unsets the variable. This is not intended and could lead to unwanted side effects. List expansion is not required there, quoting the variable results in setting the variable to empty for empty lists.
132 lines
5.2 KiB
CMake
132 lines
5.2 KiB
CMake
cmake_minimum_required(VERSION 3.20)
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#[[
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Set default source groups.
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set_target_source_groups(<target>
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[STRIP_PREFIX <strip-prefix>]
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[STRIP_SOURCE_PREFIX <strip-source-prefix>]
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[STRIP_BINARY_PREFIX <strip-binary-prefix>]
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[EXTRA_BINARY_DIRECTORY <extra-binary-dir>])
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Create source groups "Header Files", "Header Templates", "Source Files", "Source Templates",
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"Generated Files" for the source files of the target <target>. Only files inside the directory
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trees rooted at SOURCE_DIR and BINARY_DIR of <target> are grouped.
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If specified, the common path prefix <strip-source-prefix> of the files inside SOURCE_DIR and
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the common path prefix <strip-binary-prefix> of the files inside BINARY_DIR gets removed,
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it is an error if not all paths start with that prefix. Use <strip-prefix> if the same prefix
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should be used for SOURCE_DIR and BINARY_DIR, the other two parameters must not be specified in that case.
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If <extra-binary-dir> is specified, source files of <target> inside that directory will also get added
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to the group "Generated Files", no prefix stripping will be applied to these files. If <extra-binary-dir>
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is not absolute it is interpreted relative to ${CMAKE_CURRENT_BINARY_DIR}. The <extra-binary-dir> may
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contain BINARY_DIR of <target>, the contents of BINARY_DIR will get excluded when processing <extra-binary-dir>.
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]]
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function(set_target_source_groups arg_TARGET)
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set(options "")
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set(singleValues STRIP_PREFIX STRIP_SOURCE_PREFIX STRIP_BINARY_PREFIX EXTRA_BINARY_DIRECTORY)
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set(multiValues "")
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cmake_parse_arguments(arg "${options}" "${singleValues}" "${multiValues}" ${ARGN})
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get_target_property(sourceDir ${arg_TARGET} SOURCE_DIR)
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get_target_property(binaryDir ${arg_TARGET} BINARY_DIR)
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get_target_property(sources ${arg_TARGET} SOURCES)
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if(DEFINED arg_STRIP_PREFIX)
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if(DEFINED arg_STRIP_SOURCE_PREFIX OR DEFINED arg_STRIP_BINARY_PREFIX)
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message(FATAL_ERROR "STRIP_PREFIX must not be used together with STRIP_SOURCE_PREFIX or STRIP_BINARY_PREFIX")
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endif()
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set(arg_STRIP_SOURCE_PREFIX "${arg_STRIP_PREFIX}")
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set(arg_STRIP_BINARY_PREFIX "${arg_STRIP_PREFIX}")
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endif()
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if(DEFINED arg_STRIP_SOURCE_PREFIX)
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cmake_path(SET sourceTreeDir NORMALIZE "${sourceDir}/${arg_STRIP_SOURCE_PREFIX}")
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else()
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set(sourceTreeDir "${sourceDir}")
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endif()
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if(DEFINED arg_STRIP_BINARY_PREFIX)
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cmake_path(SET binaryTreeDir NORMALIZE "${binaryDir}/${arg_STRIP_BINARY_PREFIX}")
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else()
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set(binaryTreeDir "${binaryDir}")
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endif()
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if(DEFINED arg_EXTRA_BINARY_DIRECTORY)
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cmake_path(ABSOLUTE_PATH arg_EXTRA_BINARY_DIRECTORY BASE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}" NORMALIZE)
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endif()
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set(fileSources "")
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foreach(source IN LISTS sources)
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cmake_path(ABSOLUTE_PATH source BASE_DIRECTORY "${sourceDir}" NORMALIZE OUTPUT_VARIABLE file)
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list(APPEND fileSources "${file}")
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endforeach()
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# Normally, the build tree is a subdirectory of the source tree. For the root directory the prefix match
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# will also match the binary tree, so create separate file lists by filtering the binary prefix explicit.
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# This will fail when doing an in-tree build, in that case everything will be classified as binary.
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set(sourceFiles "")
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set(binaryFiles "")
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foreach(file IN LISTS fileSources)
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cmake_path(IS_PREFIX sourceDir "${file}" isSourceFile)
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cmake_path(IS_PREFIX binaryDir "${file}" isBinaryFile)
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if(isBinaryFile)
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list(APPEND binaryFiles "${file}")
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elseif(isSourceFile)
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list(APPEND sourceFiles "${file}")
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endif()
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endforeach()
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set(filterSources "${sourceFiles}")
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list(FILTER filterSources INCLUDE REGEX "/.+\\.h(h|pp)?$")
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source_group(
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TREE "${sourceTreeDir}"
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PREFIX "Header Files"
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FILES ${filterSources}
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)
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set(filterSources "${sourceFiles}")
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list(FILTER filterSources INCLUDE REGEX "/.+\\.h(h|pp)?\\.in$")
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source_group(
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TREE "${sourceTreeDir}"
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PREFIX "Header Templates"
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FILES ${filterSources}
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)
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set(filterSources "${sourceFiles}")
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list(FILTER filterSources INCLUDE REGEX "/.+\\.c(c|xx|pp)?$")
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source_group(
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TREE "${sourceTreeDir}"
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PREFIX "Source Files"
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FILES ${filterSources}
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)
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set(filterSources "${sourceFiles}")
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list(FILTER filterSources INCLUDE REGEX "/.+\\.c(c|xx|pp)?\\.in$")
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source_group(
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TREE "${sourceTreeDir}"
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PREFIX "Source Templates"
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FILES ${filterSources}
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)
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set(filterSources "${binaryFiles}")
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source_group(
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TREE "${binaryTreeDir}"
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PREFIX "Generated Files"
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FILES ${filterSources}
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)
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if(DEFINED arg_EXTRA_BINARY_DIRECTORY)
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# If the specified directory contains the binary dir of the target, the files will get added
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# twice with a different path, so exclude that directory.
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set(filterSources "")
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foreach(file IN LISTS fileSources)
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cmake_path(IS_PREFIX arg_EXTRA_BINARY_DIRECTORY "${file}" isExtraBinaryFile)
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if(isExtraBinaryFile)
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cmake_path(IS_PREFIX binaryDir "${file}" isBinaryFile)
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if(NOT isBinaryFile)
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list(APPEND filterSources "${file}")
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endif()
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endif()
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endforeach()
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source_group(
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TREE "${arg_EXTRA_BINARY_DIRECTORY}"
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PREFIX "Generated Files"
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FILES ${filterSources}
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)
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endif()
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endfunction()
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