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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
| commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
| tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /cmake/modules/FindStdFilesystem.cmake | |
| parent | Initial commit. (diff) | |
| download | ceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip | |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'cmake/modules/FindStdFilesystem.cmake')
| -rw-r--r-- | cmake/modules/FindStdFilesystem.cmake | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/cmake/modules/FindStdFilesystem.cmake b/cmake/modules/FindStdFilesystem.cmake new file mode 100644 index 000000000..421450c00 --- /dev/null +++ b/cmake/modules/FindStdFilesystem.cmake @@ -0,0 +1,56 @@ +set(_std_filesystem_test_src + ${CMAKE_CURRENT_LIST_DIR}/FindStdFilesystem_test.cc) + +macro(try_std_filesystem_library _library _result _already_included) + set(_std_filesystem_try_compile_arg + CXX_STANDARD 17) + if(NOT _library STREQUAL "") + list(APPEND _std_filesystem_try_compile_arg + LINK_LIBRARIES ${_library}) + endif() + try_compile(_std_filesystem_compiles + ${CMAKE_CURRENT_BINARY_DIR} + SOURCES ${_std_filesystem_test_src} + ${_std_filesystem_try_compile_arg}) + unset(_std_filesystem_try_compile_arg) + if(_std_filesystem_compiles) + if(NOT ${_library} STREQUAL "") + set(${_result} ${_library}) + else() + set(${_already_included} "included by standard library") + endif() + endif() + unset(_std_filesystem_compiles) +endmacro() + +set(_std_filesystem_required_var "StdFilesystem_LIBRARY") +set(_std_filesystem_already_included FALSE) +foreach(library + "" + "stdc++fs" + "c++fs") + try_std_filesystem_library("${library}" StdFilesystem_LIBRARY _std_filesystem_already_included) + if(_std_filesystem_already_included) + set(_std_filesystem_required_var "_std_filesystem_already_included") + break() + elseif(StdFilesystem_LIBRARY) + break() + endif() +endforeach() + +unset(_std_filesystem_test_src) + +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(StdFilesystem + FOUND_VAR StdFilesystem_FOUND + REQUIRED_VARS ${_std_filesystem_required_var}) + +mark_as_advanced(StdFilesystem_LIBRARY) + +if(StdFilesystem_FOUND AND NOT (TARGET StdFilesystem::filesystem)) + add_library(StdFilesystem::filesystem INTERFACE IMPORTED) + if(StdFilesystem_LIBRARY) + set_target_properties(StdFilesystem::filesystem PROPERTIES + INTERFACE_LINK_LIBRARIES ${StdFilesystem_LIBRARY}) + endif() +endif() |