Same warnings than before but the fix needs to modify the Matlab language module. Some part of this fix comment variable name. But in some case, unsued variable is set dynamically and silenced using the (void) prefix.

1 files changed, 9 insertions, 3 deletions

diff --git a/Source/Modules/matlab.cxx b/Source/Modules/matlab.cxx
index 5a7889e99..06bd0fcba 100644
--- a/Source/Modules/matlab.cxx
+++ b/Source/Modules/matlab.cxx
@@ -593,7 +593,7 @@ int MATLAB::top(Node *n) {
   Printf(f_begin,"}\n\n");
 
   // Touch module
-  Printf(f_begin,"int swigTouch(int resc, mxArray *resv[], int argc, mxArray *argv[]) {\n");
+  Printf(f_begin,"int swigTouch(int resc, mxArray** /*resv*/, int argc, mxArray** /*argv*/) {\n");
 
   // Make sure no inputs or outputs
   Printf(f_begin,"  if (argc!=0 || resc!=0) {\n");
@@ -919,7 +919,10 @@ int MATLAB::functionWrapper(Node *n) {
 
   Printf(f->code, "if (!SWIG_check_num_args(\"%s\",argc,%i,%i,%i)) "
          "{\n SWIG_fail;\n }\n", iname, num_arguments, num_required, varargs);
-  if (constructor && num_arguments == 1 && num_required == 1) {
+  if (num_arguments == 0 && num_required == 0) {
+    Printf(f->code, "(void)argv; // Unused variable\n");
+  }
+  else if (constructor && num_arguments == 1 && num_required == 1) {
     if (Cmp(storage, "explicit") == 0) {
       Node *parent = Swig_methodclass(n);
       if (GetFlag(parent, "feature:implicitconv")) {
@@ -2314,7 +2317,7 @@ void MATLAB::finalizeGateway() {
 
 void MATLAB::initConstant() {
   if (CPlusPlus) Printf(f_constants,"extern \"C\"\n");
-  Printf(f_constants,"int swigConstant(int resc, mxArray *resv[], int argc, mxArray *argv[]) {\n");
+  Printf(f_constants,"int swigConstant(int /*resc*/, mxArray *resv[], int argc, mxArray *argv[]) {\n");
 
   // The first argument is always the ID
   Printf(f_constants,"  if (--argc < 0 || !mxIsDouble(*argv) || mxGetNumberOfElements(*argv)!=1) {\n");
@@ -2344,6 +2347,9 @@ void MATLAB::finalizeConstant() {
   Printf(f_constants,"    SWIG_Error(SWIG_RuntimeError, \"No such constant.\");\n");
   Printf(f_constants,"    return 1;\n");
   Printf(f_constants,"  }\n");
+  if (num_constant == 0) {
+    Printf(f_constants,"  (void)resv; // Unused variable\n");
+  }
   Printf(f_constants,"  return 0;\n");
   Printf(f_constants,"}\n");
 }