fix minor compil warnings

common/geometry/shape_poly_set.cpp

@@ -1946,7 +1946,7 @@ void SHAPE_POLY_SET::triangulateSingle( const POLYGON& aPoly,
 
     std::unique_ptr<p2t::CDT> cdt( new p2t::CDT( outline ) );
 
-    for( int i = 1; i < aPoly.size(); i++ )
+    for( unsigned i = 1; i < aPoly.size(); i++ )
     {
         std::vector<p2t::Point*> hole;
 

common/md5_hash.cpp

@@ -194,7 +194,7 @@ void MD5_HASH::md5_init(MD5_CTX *ctx)
 
 void MD5_HASH::md5_update(MD5_CTX *ctx, uint8_t data[], uint32_t len)
 {
-   uint32_t t,i;
+   uint32_t i;
 
    for (i=0; i < len; ++i) {
       ctx->data[ctx->datalen] = data[i];

pcbnew/zone_filler.cpp

@@ -97,8 +97,6 @@ void ZONE_FILLER::Fill( std::vector<ZONE_CONTAINER*> aZones )
     // Remove segment zones
     m_board->m_Zone.DeleteAll();
 
-    int ii;
-
     for( auto zone : aZones )
     {
         // Keepout zones are not filled
@@ -110,9 +108,7 @@ void ZONE_FILLER::Fill( std::vector<ZONE_CONTAINER*> aZones )
         toFill.push_back( l );
     }
 
-    int zoneCount = m_board->GetAreaCount();
-
-    for( int i = 0; i < toFill.size(); i++ )
+    for( unsigned i = 0; i < toFill.size(); i++ )
     {
         if( m_commit )
         {
@@ -142,7 +138,7 @@ void ZONE_FILLER::Fill( std::vector<ZONE_CONTAINER*> aZones )
         #ifdef USE_OPENMP
             #pragma omp for schedule(dynamic)
         #endif
-        for( int i = 0; i < toFill.size(); i++ )
+        for( unsigned i = 0; i < toFill.size(); i++ )
         {
             SHAPE_POLY_SET rawPolys, finalPolys;
             ZONE_SEGMENT_FILL segFill;
@@ -204,7 +200,7 @@ void ZONE_FILLER::Fill( std::vector<ZONE_CONTAINER*> aZones )
         #ifdef USE_OPENMP
             #pragma omp for schedule(dynamic)
         #endif
-        for( int i = 0; i < toFill.size(); i++ )
+        for( unsigned i = 0; i < toFill.size(); i++ )
         {
             if( m_progressReporter )
             {
@@ -228,7 +224,7 @@ void ZONE_FILLER::Fill( std::vector<ZONE_CONTAINER*> aZones )
     }
     else
     {
-        for( int i = 0; i < toFill.size(); i++ )
+        for( unsigned i = 0; i < toFill.size(); i++ )
         {
             connectivity->Update( toFill[i].m_zone );
         }

pcbnew/zones_test_and_combine_areas.cpp

@@ -53,7 +53,10 @@ bool BOARD::OnAreaPolygonModified( PICKED_ITEMS_LIST* aModifiedZonesList,
     bool modified = NormalizeAreaPolygon( aModifiedZonesList, modified_area );
 
     // now see if we need to clip against other areas
+    /*
     LAYER_NUM layer = modified_area->GetLayer();
+    */
+
     bool bCheckAllAreas = TestAreaIntersections( modified_area );
 
     if( bCheckAllAreas )

polygon/poly2tri/common/shapes.h

@@ -57,7 +57,7 @@ struct Point {
   std::vector<Edge*> edge_list;
 
   /// Construct using coordinates.
-  Point(double x, double y) : x(x), y(y) {}
+  Point(double ax, double ay) : x(ax), y(ay) {}
 
   /// Set this point to all zeros.
   void set_zero()

polygon/poly2tri/sweep/sweep.cc

@@ -789,7 +789,7 @@ void Sweep::FlipScanEdgeEvent(SweepContext& tcx, Point& ep, Point& eq, Triangle&
 Sweep::~Sweep() {
 
     // Clean up memory
-    for(int i = 0; i < nodes_.size(); i++) {
+    for(unsigned i = 0; i < nodes_.size(); i++) {
         delete nodes_[i];
     }
 

qa/polygon_triangulation/test_polygon_triangulation.cpp

@@ -217,27 +217,27 @@ BOARD* loadBoard( const std::string& filename )
     return brd;
 }
 
-int main(int argc, char *argv[])
+int main( int argc, char *argv[] )
 {
-  auto brd = loadBoard( argc > 1 ? argv[1] : "../../../../tests/dp.kicad_pcb");
+    auto brd = loadBoard( argc > 1 ? argv[1] : "../../../../tests/dp.kicad_pcb" );
 
-  if(!brd)
-    return -1;
+    if( !brd )
+        return -1;
 
 
-    PROF_COUNTER cnt("allBoard");
+    PROF_COUNTER cnt( "allBoard" );
 
 
     #pragma omp parallel for schedule(dynamic)
-    for( int z = 0; z<brd->GetAreaCount(); z++)
+    for( int z = 0; z<brd->GetAreaCount(); z++ )
     {
-        auto zone = brd->GetArea(z);
+        auto zone = brd->GetArea( z );
         SHAPE_POLY_SET poly = zone->GetFilledPolysList();
 
         poly.CacheTriangulation();
 
         (void) poly;
-        printf("zone %d/%d\n", (z+1), brd->GetAreaCount() );
+        printf("zone %d/%d\n", ( z+1 ), brd->GetAreaCount() );
 #if 0
         PROF_COUNTER unfrac("unfrac");
         poly.Unfracture( SHAPE_POLY_SET::PM_FAST );