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diff --git a/share/cmake-3.22/Modules/FindCygwin.cmake b/share/cmake-3.22/Modules/FindCygwin.cmake
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+# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+#[=======================================================================[.rst:
+FindCygwin
+----------
+
+Find Cygwin, a POSIX-compatible environment that runs natively
+on Microsoft Windows
+#]=======================================================================]
+
+if (WIN32)
+ if(CYGWIN_INSTALL_PATH)
+ set(CYGWIN_BAT "${CYGWIN_INSTALL_PATH}/cygwin.bat")
+ endif()
+
+ find_program(CYGWIN_BAT
+ NAMES cygwin.bat
+ PATHS
+ "C:/Cygwin"
+ "C:/Cygwin64"
+ "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Cygwin\\setup;rootdir]"
+ "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Cygnus Solutions\\Cygwin\\mounts v2\\/;native]"
+ )
+ get_filename_component(CYGWIN_INSTALL_PATH "${CYGWIN_BAT}" DIRECTORY)
+ mark_as_advanced(CYGWIN_BAT)
+
+endif ()