diff --git a/bin-build/.gitignore b/bin-build/.gitignore
index 6dc212deb8..761ea127b9 100644
--- a/bin-build/.gitignore
+++ b/bin-build/.gitignore
@@ -27,3 +27,4 @@ CTest*
 ipch
 module_defs
 coretest
+fmt
diff --git a/lib/fmt-10.2.0/.gitignore b/lib/fmt-10.2.0/.gitignore
new file mode 100644
index 0000000000..bcdff71f2c
--- /dev/null
+++ b/lib/fmt-10.2.0/.gitignore
@@ -0,0 +1,2 @@
+build
+install