Fix tests on all platforms

Try to link tests on Mac.


Fix inaccurate pad brim size


fix build on mac (attempt 2)


Fixes for support tree faults and race conditions in release mode.


Fix crashing test executable on gcc 4.9


fix warning on msvc

src/libslic3r/SLA/SLAPad.hpp

@@ -4,6 +4,7 @@
 #include <vector>
 #include <functional>
 #include <cmath>
+#include <string>
 
 namespace Slic3r {
 
@@ -26,8 +27,8 @@ void pad_blueprint(
     ThrowOnCancel thrfn = [] {}); // Function that throws if cancel was requested
 
 void pad_blueprint(
-    const TriangleMesh &mesh,                   
-    ExPolygons &        output,                 
+    const TriangleMesh &mesh,
+    ExPolygons &        output,
     float               samplingheight = 0.1f,  // The height range to sample
     float               layerheight    = 0.05f, // The sampling height
     ThrowOnCancel       thrfn = [] {});
@@ -38,7 +39,7 @@ struct PadConfig {
     double max_merge_dist_mm = 50;
     double wall_slope = std::atan(1.0);          // Universal constant for Pi/4
     double brim_size_mm = 1.6;
-    
+
     struct EmbedObject {
         double object_gap_mm = 1.;
         double stick_stride_mm = 10.;
@@ -48,7 +49,7 @@ struct PadConfig {
         bool everywhere = false;
         operator bool() const { return enabled; }
     } embed_object;
-    
+
     inline PadConfig() = default;
     inline PadConfig(double thickness,
                      double height,
@@ -74,10 +75,10 @@ struct PadConfig {
     {
         return wall_height_mm + wall_thickness_mm;
     }
-    
-    /// Returns the elevation needed for compensating the pad.    
+
+    /// Returns the elevation needed for compensating the pad.
     inline double required_elevation() const { return wall_thickness_mm; }
-    
+
     std::string validate() const;
 };