1 files changed, 21 insertions, 1 deletions

diff --git a/core.nix b/core.nix
index fba64e7..8d2575e 100644
--- a/core.nix
+++ b/core.nix
@@ -1,6 +1,21 @@
 { pkgs, ... }:
 
-pkgs.stdenvNoCC.mkDerivation rec {
+let
+  spi = pkgs.fetchFromGitHub {
+    owner = "PaulStoffregen";
+    repo = "SPI";
+    rev = "574ab8c7a8a45ea21cc56dcc6b7361da90868e86";
+    sha256 = "I3M7w9SNEXvPD0ynuZ38bnTaenGEORg72E5YC2x6ek4=";
+  };
+
+  wire = pkgs.fetchFromGitHub {
+    owner = "PaulStoffregen";
+    repo = "Wire";
+    rev = "15018075857fa0176d8a5fc610fc564427282ca0";
+    sha256 = "GTfqmQykFS4nXXPBhQHe2gpEUY2sH0ESHh28ZrIW/dE=";
+  };
+
+in pkgs.stdenvNoCC.mkDerivation rec {
   name = "teensy-core";
   version = "1.54";
 
@@ -27,8 +42,13 @@ pkgs.stdenvNoCC.mkDerivation rec {
                --subst-var-by TEENSY_INCLUDE . \
                --subst-var-by TEENSY_LIB .
     cp ${./flags.mk} flags.mk
+
+    cp ${spi}/*.{cpp,h} .
+    cp ${wire}/*.{cpp,h} .
+
     make
     ar rvs libteensy-core.a *.o
+
     popd
   '';