KWSys 2020-03-04 (6af2e592)

Code extracted from:

    https://gitlab.kitware.com/utils/kwsys.git

at commit 6af2e59217a7e10ed507da564a1445b60ac2a095 (master).

Upstream Shortlog
-----------------

Change-Id: I73f0831039e6917c66c19b8fbfa76bf1c25d334e

.gitattributes-e

@@ -0,0 +1,25 @@
+.git*            export-ignore
+# import off
+.gitattributes  -export-ignore
+.hooks*          export-ignore
+
+# Custom attribute to mark sources as using the kwsys C code style.
+[attr]kwsys-c-style  whitespace=tab-in-indent  format.clang-format
+
+/GitSetup        export-ignore
+/*.sh            export-ignore eol=lf
+/*.bash          export-ignore eol=lf
+/.clang-format   export-ignore
+# import on
+
+*.c              kwsys-c-style
+*.c.in           kwsys-c-style
+*.cxx            kwsys-c-style
+*.h              kwsys-c-style
+*.h.in           kwsys-c-style
+*.hxx            kwsys-c-style
+*.hxx.in         kwsys-c-style
+
+*.cmake          whitespace=tab-in-indent
+*.rst            whitespace=tab-in-indent conflict-marker-size=79
+*.txt            whitespace=tab-in-indent