Fix numerous shadow-warnings for GCC<=4.8

Eigen/SparseLU

@@ -23,6 +23,8 @@
 // Ordering interface
 #include "OrderingMethods"
 
+#include "src/Core/util/DisableStupidWarnings.h"
+
 #include "src/SparseLU/SparseLU_gemm_kernel.h"
 
 #include "src/SparseLU/SparseLU_Structs.h"
@@ -43,4 +45,6 @@
 #include "src/SparseLU/SparseLU_Utils.h"
 #include "src/SparseLU/SparseLU.h"
 
+#include "src/Core/util/ReenableStupidWarnings.h"
+
 #endif // EIGEN_SPARSELU_MODULE_H

Eigen/src/StlSupport/StdDeque.h

@@ -36,7 +36,7 @@ namespace std \
     deque(InputIterator first, InputIterator last, const allocator_type& a = allocator_type()) : deque_base(first, last, a) {} \
     deque(const deque& c) : deque_base(c) {}  \
     explicit deque(size_type num, const value_type& val = value_type()) : deque_base(num, val) {} \
-    deque(iterator start, iterator end) : deque_base(start, end) {}  \
+    deque(iterator start_, iterator end_) : deque_base(start_, end_) {}  \
     deque& operator=(const deque& x) {  \
       deque_base::operator=(x);  \
       return *this;  \

Eigen/src/StlSupport/StdList.h

@@ -35,7 +35,7 @@ namespace std \
     list(InputIterator first, InputIterator last, const allocator_type& a = allocator_type()) : list_base(first, last, a) {} \
     list(const list& c) : list_base(c) {}  \
     explicit list(size_type num, const value_type& val = value_type()) : list_base(num, val) {} \
-    list(iterator start, iterator end) : list_base(start, end) {}  \
+    list(iterator start_, iterator end_) : list_base(start_, end_) {}  \
     list& operator=(const list& x) {  \
       list_base::operator=(x);  \
       return *this;  \

Eigen/src/StlSupport/StdVector.h

@@ -36,7 +36,7 @@ namespace std \
     vector(InputIterator first, InputIterator last, const allocator_type& a = allocator_type()) : vector_base(first, last, a) {} \
     vector(const vector& c) : vector_base(c) {}  \
     explicit vector(size_type num, const value_type& val = value_type()) : vector_base(num, val) {} \
-    vector(iterator start, iterator end) : vector_base(start, end) {}  \
+    vector(iterator start_, iterator end_) : vector_base(start_, end_) {}  \
     vector& operator=(const vector& x) {  \
       vector_base::operator=(x);  \
       return *this;  \

blas/common.h

@@ -10,6 +10,14 @@
 #ifndef EIGEN_BLAS_COMMON_H
 #define EIGEN_BLAS_COMMON_H
 
+#ifdef __GNUC__
+# if __GNUC__<5
+// GCC < 5.0 does not like the global Scalar typedef
+// we just keep shadow-warnings disabled permanently
+#  define EIGEN_PERMANENTLY_DISABLE_STUPID_WARNINGS
+# endif
+#endif
+
 #include "../Eigen/Core"
 #include "../Eigen/Jacobi"
 

test/mapstaticmethods.cpp

@@ -9,8 +9,12 @@
 
 #include "main.h"
 
+// GCC<=4.8 has spurious shadow warnings, because `ptr` re-appears inside template instantiations
+// workaround: put these in an anonymous namespace
+namespace {
 float *ptr;
 const float *const_ptr;
+}
 
 template<typename PlainObjectType,
          bool IsDynamicSize = PlainObjectType::SizeAtCompileTime == Dynamic,

unsupported/Eigen/AlignedVector3

@@ -12,6 +12,8 @@
 
 #include <Eigen/Geometry>
 
+#include "../../Eigen/src/Core/util/DisableStupidWarnings.h"
+
 namespace Eigen {
 
 /**
@@ -221,4 +223,6 @@ struct evaluator<AlignedVector3<Scalar> >
 
 }
 
+#include "../../Eigen/src/Core/util/ReenableStupidWarnings.h"
+
 #endif // EIGEN_ALIGNED_VECTOR3

unsupported/Eigen/AutoDiff

@@ -28,11 +28,17 @@ namespace Eigen {
 //@{
 
 }
+#include "../../Eigen/src/Core/util/DisableStupidWarnings.h"
+
 
 #include "src/AutoDiff/AutoDiffScalar.h"
 // #include "src/AutoDiff/AutoDiffVector.h"
 #include "src/AutoDiff/AutoDiffJacobian.h"
 
+#include "../../Eigen/src/Core/util/ReenableStupidWarnings.h"
+
+
+
 namespace Eigen {
 //@}
 }

unsupported/Eigen/CXX11/Tensor

@@ -26,9 +26,9 @@
 #include <utility>
 #endif
 
-#include <Eigen/src/Core/util/DisableStupidWarnings.h>
-
 #include "../SpecialFunctions"
+
+#include <Eigen/src/Core/util/DisableStupidWarnings.h>
 #include "src/util/CXX11Meta.h"
 #include "src/util/MaxSizeVector.h"
 

unsupported/Eigen/FFT

@@ -68,6 +68,8 @@
   */
  
 
+#include "../../Eigen/src/Core/util/DisableStupidWarnings.h"
+
 #ifdef EIGEN_FFTW_DEFAULT
 // FFTW: faster, GPL -- incompatible with Eigen in LGPL form, bigger code size
 #  include <fftw3.h>
@@ -415,5 +417,8 @@ void fft_inv_proxy<T_SrcMat,T_FftIfc>::evalTo(T_DestMat& dst) const
 }
 
 }
+
+#include "../../Eigen/src/Core/util/ReenableStupidWarnings.h"
+
 #endif
 /* vim: set filetype=cpp et sw=2 ts=2 ai: */

unsupported/Eigen/IterativeSolvers

@@ -11,6 +11,8 @@
 #define EIGEN_ITERATIVE_SOLVERS_MODULE_H
 
 #include <Eigen/Sparse>
+#include "../../Eigen/Jacobi"
+#include "../../Eigen/Householder"
 
 /**
   * \defgroup IterativeSolvers_Module Iterative solvers module
@@ -24,19 +26,21 @@
   */
 //@{
 
+#include "../../Eigen/src/Core/util/DisableStupidWarnings.h"
+
 #ifndef EIGEN_MPL2_ONLY
 #include "src/IterativeSolvers/IterationController.h"
 #include "src/IterativeSolvers/ConstrainedConjGrad.h"
 #endif
 
 #include "src/IterativeSolvers/IncompleteLU.h"
-#include "../../Eigen/Jacobi"
-#include "../../Eigen/Householder"
 #include "src/IterativeSolvers/GMRES.h"
 #include "src/IterativeSolvers/DGMRES.h"
 //#include "src/IterativeSolvers/SSORPreconditioner.h"
 #include "src/IterativeSolvers/MINRES.h"
 
+#include "../../Eigen/src/Core/util/ReenableStupidWarnings.h"
+
 //@}
 
 #endif // EIGEN_ITERATIVE_SOLVERS_MODULE_H

unsupported/Eigen/LevenbergMarquardt

@@ -30,6 +30,9 @@
   */
 
 #include "Eigen/SparseCore"
+
+#include "../../Eigen/src/Core/util/DisableStupidWarnings.h"
+
 #ifndef EIGEN_PARSED_BY_DOXYGEN
 
 #include "src/LevenbergMarquardt/LMqrsolv.h"
@@ -41,5 +44,6 @@
 #include "src/LevenbergMarquardt/LevenbergMarquardt.h"
 #include "src/LevenbergMarquardt/LMonestep.h"
 
+#include "../../Eigen/src/Core/util/ReenableStupidWarnings.h"
 
 #endif // EIGEN_LEVENBERGMARQUARDT_MODULE

unsupported/Eigen/MatrixFunctions

@@ -53,12 +53,16 @@
   *
   */
 
+#include "../../Eigen/src/Core/util/DisableStupidWarnings.h"
+
 #include "src/MatrixFunctions/MatrixExponential.h"
 #include "src/MatrixFunctions/MatrixFunction.h"
 #include "src/MatrixFunctions/MatrixSquareRoot.h"
 #include "src/MatrixFunctions/MatrixLogarithm.h"
 #include "src/MatrixFunctions/MatrixPower.h"
 
+#include "../../Eigen/src/Core/util/ReenableStupidWarnings.h"
+
 
 /** 
 \page matrixbaseextra_page

unsupported/Eigen/Splines

@@ -24,8 +24,12 @@ namespace Eigen
   */
 }
 
+#include "../../Eigen/src/Core/util/DisableStupidWarnings.h"
+
 #include "src/Splines/SplineFwd.h"
 #include "src/Splines/Spline.h"
 #include "src/Splines/SplineFitting.h"
 
+#include "../../Eigen/src/Core/util/ReenableStupidWarnings.h"
+
 #endif // EIGEN_SPLINES_MODULE_H

unsupported/test/NumericalDiff.cpp

@@ -24,7 +24,7 @@ struct Functor
   int m_inputs, m_values;
   
   Functor() : m_inputs(InputsAtCompileTime), m_values(ValuesAtCompileTime) {}
-  Functor(int inputs, int values) : m_inputs(inputs), m_values(values) {}
+  Functor(int inputs_, int values_) : m_inputs(inputs_), m_values(values_) {}
   
   int inputs() const { return m_inputs; }
   int values() const { return m_values; }

unsupported/test/autodiff.cpp

@@ -44,7 +44,7 @@ struct TestFunc1
   int m_inputs, m_values;
 
   TestFunc1() : m_inputs(InputsAtCompileTime), m_values(ValuesAtCompileTime) {}
-  TestFunc1(int inputs, int values) : m_inputs(inputs), m_values(values) {}
+  TestFunc1(int inputs_, int values_) : m_inputs(inputs_), m_values(values_) {}
 
   int inputs() const { return m_inputs; }
   int values() const { return m_values; }

unsupported/test/dgmres.cpp

@@ -9,7 +9,7 @@
 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 #include "../../test/sparse_solver.h"
-#include <Eigen/src/IterativeSolvers/DGMRES.h>
+#include <unsupported/Eigen/IterativeSolvers>
 
 template<typename T> void test_dgmres_T()
 {

unsupported/test/forward_adolc.cpp

@@ -35,7 +35,7 @@ struct TestFunc1
   int m_inputs, m_values;
 
   TestFunc1() : m_inputs(InputsAtCompileTime), m_values(ValuesAtCompileTime) {}
-  TestFunc1(int inputs, int values) : m_inputs(inputs), m_values(values) {}
+  TestFunc1(int inputs_, int values_) : m_inputs(inputs_), m_values(values_) {}
 
   int inputs() const { return m_inputs; }
   int values() const { return m_values; }