diff --git a/src/Gui/SyntaxHighlighter.h b/src/Gui/SyntaxHighlighter.h
index a617cda0c4..b510bfcc5d 100644
--- a/src/Gui/SyntaxHighlighter.h
+++ b/src/Gui/SyntaxHighlighter.h
@@ -25,6 +25,7 @@
 #define GUI_SYNTAXHIGHLIGHTER_H
 
 #include <QSyntaxHighlighter>
+#include <FCGlobal.h>
 
 namespace Gui {
 class SyntaxHighlighterP;
diff --git a/src/Mod/Part/App/TopoShape.cpp b/src/Mod/Part/App/TopoShape.cpp
index 9794fb3427..c09c9903df 100644
--- a/src/Mod/Part/App/TopoShape.cpp
+++ b/src/Mod/Part/App/TopoShape.cpp
@@ -2015,10 +2015,13 @@ TopoDS_Shape TopoShape::makePipeShell(const TopTools_ListOfShape& profiles,
         mkPipeShell.Add(TopoDS_Shape(it.Value()));
     }
 
-    if (!mkPipeShell.IsReady()) Standard_Failure::Raise("shape is not ready to build");
-    else mkPipeShell.Build();
+    if (!mkPipeShell.IsReady())
+        throw Standard_Failure("shape is not ready to build");
 
-    if (make_solid)	mkPipeShell.MakeSolid();
+    mkPipeShell.Build();
+
+    if (make_solid)
+        mkPipeShell.MakeSolid();
 
     return mkPipeShell.Shape();
 }
diff --git a/src/Mod/Part/Gui/SectionCutting.h b/src/Mod/Part/Gui/SectionCutting.h
index d5c87aacab..81fbd493f1 100644
--- a/src/Mod/Part/Gui/SectionCutting.h
+++ b/src/Mod/Part/Gui/SectionCutting.h
@@ -23,8 +23,12 @@
 #ifndef PARTGUI_SECTIONCUTTING_H
 #define PARTGUI_SECTIONCUTTING_H
 
+#include <Inventor/SbBox3f.h>
 #include <QDialog>
+#include <App/DocumentObserver.h>
 
+class QDoubleSpinBox;
+class QSlider;
 
 namespace PartGui {