diff --git a/bindings/ocaml/bitreader/bitreader_ocaml.c b/bindings/ocaml/bitreader/bitreader_ocaml.c
index b154f68d609..0fd484f1234 100644
--- a/bindings/ocaml/bitreader/bitreader_ocaml.c
+++ b/bindings/ocaml/bitreader/bitreader_ocaml.c
@@ -37,6 +37,9 @@ static void llvm_raise(value Prototype, char *Message) {
   
   raise_with_arg(Prototype, CamlMessage);
   abort(); /* NOTREACHED */
+#ifdef CAMLnoreturn
+  CAMLnoreturn; /* Silences warnings, but is missing in some versions. */
+#endif
 }
 
 
diff --git a/bindings/ocaml/executionengine/executionengine_ocaml.c b/bindings/ocaml/executionengine/executionengine_ocaml.c
index 58d7d5a77f6..0f124c546ee 100644
--- a/bindings/ocaml/executionengine/executionengine_ocaml.c
+++ b/bindings/ocaml/executionengine/executionengine_ocaml.c
@@ -43,6 +43,9 @@ static void llvm_raise(value Prototype, char *Message) {
   
   raise_with_arg(Prototype, CamlMessage);
   abort(); /* NOTREACHED */
+#ifdef CAMLnoreturn
+  CAMLnoreturn; /* Silences warnings, but is missing in some versions. */
+#endif
 }
 
 
diff --git a/bindings/ocaml/llvm/llvm_ocaml.c b/bindings/ocaml/llvm/llvm_ocaml.c
index 5c8767543f2..3f48887e11f 100644
--- a/bindings/ocaml/llvm/llvm_ocaml.c
+++ b/bindings/ocaml/llvm/llvm_ocaml.c
@@ -45,6 +45,9 @@ static void llvm_raise(value Prototype, char *Message) {
   
   raise_with_arg(Prototype, CamlMessage);
   abort(); /* NOTREACHED */
+#ifdef CAMLnoreturn
+  CAMLnoreturn; /* Silences warnings, but is missing in some versions. */
+#endif
 }