diff --git a/tests/auto/cplusplus/preprocessor/data/include-data/local/.gitattributes b/tests/auto/cplusplus/preprocessor/data/include-data/local/.gitattributes
new file mode 100644
index 00000000000..a69c29e846f
--- /dev/null
+++ b/tests/auto/cplusplus/preprocessor/data/include-data/local/.gitattributes
@@ -0,0 +1 @@
+*.cpp eol=lf