Index: src/widgets/NumericTextCtrl.cpp
===================================================================
--- src/widgets/NumericTextCtrl.cpp.orig	2018-09-20 16:35:07.000000000 +0200
+++ src/widgets/NumericTextCtrl.cpp	2018-10-02 15:40:50.555227216 +0200
@@ -551,6 +551,7 @@ static const BuiltinFormatString Bandwid
          case NumericConverter::BANDWIDTH:
             return WXSIZEOF(BandwidthConverterFormats_);
       }
+      return WXSIZEOF(BandwidthConverterFormats_);
    }
 }
 
Index: lib-src/libnyquist/nyquist/xlisp/xlbfun.c
===================================================================
--- lib-src/libnyquist/nyquist/xlisp/xlbfun.c.orig	2018-09-20 16:35:07.000000000 +0200
+++ lib-src/libnyquist/nyquist/xlisp/xlbfun.c	2018-10-02 15:35:59.076781229 +0200
@@ -603,7 +603,10 @@ LVAL xcleanup(void)
 {
     xllastarg();
     xlcleanup();
-    /* compiler might (wrongly) complain there is no return value */
+    /* this point will never be reached because xlcleanup() does a
+    longjmp(). The return is added to avoid false positive
+    error messages from static analyzers and compilers */
+    return (NIL);
 }
 
 /* xtoplevel - special form 'top-level' */