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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
commite6918187568dbd01842d8d1d2c808ce16a894239 (patch)
tree64f88b554b444a49f656b6c656111a145cbbaa28 /cmake/modules/FindStdFilesystem.cmake
parentInitial commit. (diff)
downloadceph-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.cmake56
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()