diff --git a/org.lflang/src/lib/c/reactor-c b/org.lflang/src/lib/c/reactor-c
index b9549a5f3a..454d08505e 160000
--- a/org.lflang/src/lib/c/reactor-c
+++ b/org.lflang/src/lib/c/reactor-c
@@ -1 +1 @@
-Subproject commit b9549a5f3a8d2fe49bfbad3e7e7d04364baf6494
+Subproject commit 454d08505e80fdff5056f88d2d8242f4731f9540
diff --git a/org.lflang/src/lib/cpp/reactor-cpp b/org.lflang/src/lib/cpp/reactor-cpp
index 0097e793ca..e294554170 160000
--- a/org.lflang/src/lib/cpp/reactor-cpp
+++ b/org.lflang/src/lib/cpp/reactor-cpp
@@ -1 +1 @@
-Subproject commit 0097e793caa38b11948e6933715cef52684d647c
+Subproject commit e294554170ad0cda497b23b29627ff8046cbd3ad
diff --git a/org.lflang/src/lib/py/reactor-c-py b/org.lflang/src/lib/py/reactor-c-py
index 61433a39c9..3c8843e944 160000
--- a/org.lflang/src/lib/py/reactor-c-py
+++ b/org.lflang/src/lib/py/reactor-c-py
@@ -1 +1 @@
-Subproject commit 61433a39c98d6cdec3e317ce3692e98abadcc5fc
+Subproject commit 3c8843e94477f3972d149f2768985364b716f56b
diff --git a/org.lflang/src/org/lflang/generator/c/CGenerator.java b/org.lflang/src/org/lflang/generator/c/CGenerator.java
index bd125e6104..505fcf8a27 100644
--- a/org.lflang/src/org/lflang/generator/c/CGenerator.java
+++ b/org.lflang/src/org/lflang/generator/c/CGenerator.java
@@ -2678,6 +2678,7 @@ private void generateSelfStructs(ReactorInstance r) {
         // create references to the runtime instances aware of this exception.
         // For now, we just create a larger array than needed.
         initializeTriggerObjects.pr(CUtil.selfType(r)+"* "+CUtil.reactorRefName(r)+"["+r.getTotalWidth()+"];");
+        initializeTriggerObjects.pr("SUPPRESS_UNUSED_WARNING("+CUtil.reactorRefName(r)+");");
         for (ReactorInstance child : r.children) {
             generateSelfStructs(child);
         }
diff --git a/org.lflang/src/org/lflang/generator/c/CMainGenerator.java b/org.lflang/src/org/lflang/generator/c/CMainGenerator.java
index 7e15f0a4cb..e717d755a2 100644
--- a/org.lflang/src/org/lflang/generator/c/CMainGenerator.java
+++ b/org.lflang/src/org/lflang/generator/c/CMainGenerator.java
@@ -37,7 +37,7 @@ public String generateCode() {
      */
     private String generateMainFunction() {
         return String.join("\n",
-            "int main(int argc, char* argv[]) {",
+            "int main(int argc, const char* argv[]) {",
             "    return lf_reactor_c_main(argc, argv);",
             "}"
         );
@@ -53,7 +53,7 @@ private String generateSetDefaultCliOption() {
         // so start with that.
         return runCommand.size() > 0 ?
             String.join("\n",
-                "char* _lf_default_argv[] = { " +
+                "const char* _lf_default_argv[] = { " +
                         StringUtil.addDoubleQuotes(
                             StringUtil.joinObjects(runCommand,
                                 StringUtil.addDoubleQuotes(", ")))+" };",
diff --git a/org.lflang/src/org/lflang/generator/ts/TSConstructorGenerator.kt b/org.lflang/src/org/lflang/generator/ts/TSConstructorGenerator.kt
index 5b2a40b06e..070e6434d6 100644
--- a/org.lflang/src/org/lflang/generator/ts/TSConstructorGenerator.kt
+++ b/org.lflang/src/org/lflang/generator/ts/TSConstructorGenerator.kt
@@ -126,8 +126,8 @@ class TSConstructorGenerator (
         val federateConfigurations = LinkedList<String>()
         if (reactor.isFederated) {
             for ((key, _) in federate.dependsOn) {
-                // FIXME: Get delay properly considering the unit instead of hardcoded BigInt(0).
-                federateConfigurations.add("this.addUpstreamFederate(${key.id}, BigInt(0));")
+                // FIXME: Get delay properly considering the unit instead of hardcoded TimeValue.NEVER().
+                federateConfigurations.add("this.addUpstreamFederate(${key.id}, TimeValue.NEVER());")
             }
             for ((key, _) in federate.sendsTo) {
                 federateConfigurations.add("this.addDownstreamFederate(${key.id});")