Mention LIBFFI_TMPDIR

diff --git a/README.md b/README.md
index 28cc8c66778b0a60caf65c7c70157d03ff05ee91..6a79c5890a823b9a32353897cd9b7d4596698fbf 100644 (file)
--- a/README.md
+++ b/README.md
@@ -206,6 +206,7 @@ See the git log for details at http://github.com/libffi/libffi.
         Add support for ARM Pointer Authentication (PA).
         Fix 32-bit PPC regression.
         Fix MIPS soft-float problem.
+        Enable tmpdir override with the $LIBFFI_TMPDIR environment variable.
         Reject float and small integer argument in ffi_prep_cif_var().
           Callers must promote these types themselves.