2 files changed, 2 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index 0167a78..3d31b2f 100644
--- a/Makefile
+++ b/Makefile
@@ -28,7 +28,7 @@ all: lib/COMPCERTSTAMP
 	$(MAKE) compile
 
 lib/COMPCERTSTAMP:
-	(cd lib/CompCert && ./configure $(ARCH))
+	(cd lib/CompCert && ./configure --ignore-coq-version $(ARCH))
 	$(MAKE) -C lib/CompCert
 	touch $@
 
diff --git a/shell.nix b/shell.nix
index f81ded1..3906659 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,5 +1,5 @@
 with import <nixpkgs> {};
 
 mkShell {
-  buildInputs = (import ./.).buildInputs ++ [ocamlPackages.ocp-indent verilog];
+  buildInputs = (import ./.).buildInputs ++ [ocamlPackages.ocp-indent verilog yosys];
 }