+ Better support of clang, fix issues discovered by clang

CMakeLists.txt

@@ -45,7 +45,11 @@ endif(WIN32)
 
 # ================================================================================
 
-if(CMAKE_COMPILER_IS_GNUCXX)
+if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
+    set(CMAKE_COMPILER_IS_CLANGXX TRUE)
+endif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
+
+if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX)
     include(cMake/ConfigureChecks.cmake)
     configure_file(config.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config.h)
     add_definitions(-DHAVE_CONFIG_H)
@@ -55,7 +59,7 @@ if(CMAKE_COMPILER_IS_GNUCXX)
     if(UNIX)
     #    SET(CMAKE_SHARED_LINKER_FLAGS "-Wl,--no-undefined")
     endif(UNIX)
-endif(CMAKE_COMPILER_IS_GNUCXX)
+endif(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX)
 
 
 # ================================================================================

src/Base/UnitsSchema.h

@@ -50,6 +50,7 @@ enum UnitSystem {
 class UnitsSchema 
 {
 public:
+    virtual ~UnitsSchema(){}
     /** get called if this schema gets activated.
       * Here its theoretical possible that you can change the static factors 
       * for certain Units (e.g. mi = 1,8km instead of mi=1.6km). 

src/Base/Vector3D.cpp

@@ -411,5 +411,7 @@ void Vector3<_Precision>::TransformToCoordinateSystem (const Vector3 &rclBase,
 }
 
 // explicit template instantiation
+namespace Base {
 template class BaseExport Vector3<float>;
 template class BaseExport Vector3<double>;
+}

src/Gui/Selection.h

@@ -176,6 +176,7 @@ private:
 class SelectionGate 
 {
 public:
+    virtual ~SelectionGate(){}
     virtual bool allow(App::Document*,App::DocumentObject*, const char*)=0;
 };
 

src/Mod/Fem/Gui/TaskObjectName.cpp

@@ -60,7 +60,7 @@ TaskObjectName::TaskObjectName(App::DocumentObject *pcObject,QWidget *parent)
 
     QObject::connect(ui->lineEdit_ObjectName,SIGNAL(textChanged (const QString&)),this,SLOT(TextChanged(const QString&)));
 
-    if(pcObject->Label.getValue() != "")
+    if(strcmp(pcObject->Label.getValue(),"") != 0)
         ui->lineEdit_ObjectName->setText(QString::fromUtf8(pcObject->Label.getValue()));
     else
         ui->lineEdit_ObjectName->setText(QString::fromAscii(pcObject->getNameInDocument()));

src/Mod/Mesh/App/Core/Iterator.h

@@ -382,7 +382,7 @@ inline MeshFacetIterator& MeshFacetIterator::operator = (const MeshFacetIterator
   _bApply = rpI._bApply;
   _clTrf = rpI._clTrf;
   // dirty flat copy of reference
-  memcpy((void*)&_rclMesh, &rpI._rclMesh, sizeof(&_rclMesh));
+  memcpy((void*)&_rclMesh, &rpI._rclMesh, sizeof(MeshKernel*));
   return *this;
 }
 
@@ -470,7 +470,7 @@ inline MeshPointIterator& MeshPointIterator::operator = (const MeshPointIterator
   _bApply = rpI._bApply;
   _clTrf = rpI._clTrf;
   // dirty flat copy of reference
-  memcpy((void*)&_rclMesh, &rpI._rclMesh, sizeof(&_rclMesh));
+  memcpy((void*)&_rclMesh, &rpI._rclMesh, sizeof(MeshKernel*));
   return *this;
 }
 

src/Mod/Mesh/App/MeshPyImp.cpp

@@ -1031,11 +1031,11 @@ PyObject*  MeshPy::splitEdge(PyObject *args)
 
     const MeshCore::MeshKernel& kernel = getMeshObjectPtr()->getKernel();
     PY_TRY {
-        if (facet < 0 || facet >= kernel.CountFacets()) {
+        if (facet >= kernel.CountFacets()) {
             PyErr_SetString(PyExc_IndexError, "Facet index out of range");
             return NULL;
         }
-        if (neighbour < 0 || neighbour >= kernel.CountFacets()) {
+        if (neighbour >= kernel.CountFacets()) {
             PyErr_SetString(PyExc_IndexError, "Facet index out of range");
             return NULL;
         }
@@ -1072,7 +1072,7 @@ PyObject*  MeshPy::splitFacet(PyObject *args)
 
     const MeshCore::MeshKernel& kernel = getMeshObjectPtr()->getKernel();
     PY_TRY {
-        if (facet < 0 || facet >= kernel.CountFacets()) {
+        if (facet >= kernel.CountFacets()) {
             PyErr_SetString(PyExc_IndexError, "Facet index out of range");
             return NULL;
         }
@@ -1091,11 +1091,11 @@ PyObject*  MeshPy::swapEdge(PyObject *args)
 
     const MeshCore::MeshKernel& kernel = getMeshObjectPtr()->getKernel();
     PY_TRY {
-        if (facet < 0 || facet >= kernel.CountFacets()) {
+        if (facet >= kernel.CountFacets()) {
             PyErr_SetString(PyExc_IndexError, "Facet index out of range");
             return NULL;
         }
-        if (neighbour < 0 || neighbour >= kernel.CountFacets()) {
+        if (neighbour >= kernel.CountFacets()) {
             PyErr_SetString(PyExc_IndexError, "Facet index out of range");
             return NULL;
         }
@@ -1121,11 +1121,11 @@ PyObject*  MeshPy::collapseEdge(PyObject *args)
 
     const MeshCore::MeshKernel& kernel = getMeshObjectPtr()->getKernel();
     PY_TRY {
-        if (facet < 0 || facet >= kernel.CountFacets()) {
+        if (facet >= kernel.CountFacets()) {
             PyErr_SetString(PyExc_IndexError, "Facet index out of range");
             return NULL;
         }
-        if (neighbour < 0 || neighbour >= kernel.CountFacets()) {
+        if (neighbour >= kernel.CountFacets()) {
             PyErr_SetString(PyExc_IndexError, "Facet index out of range");
             return NULL;
         }
@@ -1150,7 +1150,7 @@ PyObject*  MeshPy::collapseFacet(PyObject *args)
         return NULL;
 
     PY_TRY {
-        if (facet < 0 || facet >= getMeshObjectPtr()->countFacets()) {
+        if (facet >= getMeshObjectPtr()->countFacets()) {
             PyErr_SetString(PyExc_IndexError, "Facet index out of range");
             return NULL;
         }
@@ -1173,7 +1173,7 @@ PyObject*  MeshPy::insertVertex(PyObject *args)
     Base::Vector3f v((float)val->x,(float)val->y,(float)val->z);
 
     PY_TRY {
-        if (facet < 0 || facet >= getMeshObjectPtr()->countFacets()) {
+        if (facet >= getMeshObjectPtr()->countFacets()) {
             PyErr_SetString(PyExc_IndexError, "Facet index out of range");
             return NULL;
         }
@@ -1196,7 +1196,7 @@ PyObject*  MeshPy::snapVertex(PyObject *args)
     Base::Vector3f v((float)val->x,(float)val->y,(float)val->z);
 
     PY_TRY {
-        if (facet < 0 || facet >= getMeshObjectPtr()->countFacets()) {
+        if (facet >= getMeshObjectPtr()->countFacets()) {
             PyErr_SetString(PyExc_IndexError, "Facet index out of range");
             return NULL;
         }

src/Mod/Raytracing/Gui/Command.cpp

@@ -558,7 +558,7 @@ CmdRaytracingRender::CmdRaytracingRender()
 void CmdRaytracingRender::activated(int iMsg)
 {
     // determining render type
-    const char* renderType;
+    std::string renderType;
     unsigned int n1 = getSelection().countObjectsOfType(Raytracing::RayProject::getClassTypeId());
     if (n1 != 1) {
         unsigned int n2 = getSelection().countObjectsOfType(Raytracing::LuxProject::getClassTypeId());