From 12979e3acabeffcc72c49b8f9436c1d3517f2d5b Mon Sep 17 00:00:00 2001
From: John Soo <johh.soo@arista.com>
Date: Mon, 9 Mar 2026 16:55:33 -0600
Subject: [PATCH] tpm2-tss: Fix build on darwin

Always ensure $out/etc/tpm2-tss exists lest writing
fapi-config-test.json fail (when fapi is disabled on darwin).
---
 pkgs/development/libraries/tpm2-tss/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/libraries/tpm2-tss/default.nix b/pkgs/development/libraries/tpm2-tss/default.nix
index bde0f5da0f73..b4bce91d0878 100644
--- a/pkgs/development/libraries/tpm2-tss/default.nix
+++ b/pkgs/development/libraries/tpm2-tss/default.nix
@@ -151,6 +151,8 @@ stdenv.mkDerivation (finalAttrs: {
     # users/groups which aren't guaranteed to exist on the system.
     rm -R $out/lib/udev
 
+    mkdir -p $out/etc/tpm2-tss
+
     # write fapi-config suitable for testing
     cat > $out/etc/tpm2-tss/fapi-config-test.json <<EOF
     {