Index: /u/astrid-r1b/morlighe/issmuci/trunk-jpl/../trunk-jpl/src/c/classes/matrix/ElementVector.h
===================================================================
--- /u/astrid-r1b/morlighe/issmuci/trunk-jpl/../trunk-jpl/src/c/classes/matrix/ElementVector.h	(revision 12898)
+++ /u/astrid-r1b/morlighe/issmuci/trunk-jpl/../trunk-jpl/src/c/classes/matrix/ElementVector.h	(revision 12899)
@@ -15,6 +15,7 @@
 #include "../../EnumDefinitions/EnumDefinitions.h"
 class Node;
 class Vector;
+class Parameters;
 /*}}}*/
 
 class ElementVector{
Index: /u/astrid-r1b/morlighe/issmuci/trunk-jpl/../trunk-jpl/src/c/classes/matrix/Vector.cpp
===================================================================
--- /u/astrid-r1b/morlighe/issmuci/trunk-jpl/../trunk-jpl/src/c/classes/matrix/Vector.cpp	(revision 12898)
+++ /u/astrid-r1b/morlighe/issmuci/trunk-jpl/../trunk-jpl/src/c/classes/matrix/Vector.cpp	(revision 12899)
@@ -24,7 +24,9 @@
 /*FUNCTION Vector::Vector(){{{*/
 Vector::Vector(){
 
+	#ifdef _HAVE_PETSC_
 	this->pvector=NULL;
+	#endif
 	this->svector=NULL;
 	
 	type=PetscVecType; //default
@@ -37,7 +39,9 @@
 /*FUNCTION Vector::Vector(int M,bool fromlocalsize,int type){{{*/
 Vector::Vector(int M,bool fromlocalsize,int in_type){
 	
+	#ifdef _HAVE_PETSC_
 	pvector=NULL;
+	#endif
 	svector=NULL;
 	type=in_type;
 
@@ -59,7 +63,10 @@
 /*FUNCTION Vector::Vector(IssmDouble* serial_vec,int M,int type){{{*/
 Vector::Vector(IssmDouble* serial_vec,int M,int in_type){
 
+	#ifdef _HAVE_PETSC_
 	pvector=NULL;
+	#endif
+
 	svector=NULL;
 	type=in_type;
 
Index: /u/astrid-r1b/morlighe/issmuci/trunk-jpl/../trunk-jpl/src/c/classes/matrix/ElementMatrix.h
===================================================================
--- /u/astrid-r1b/morlighe/issmuci/trunk-jpl/../trunk-jpl/src/c/classes/matrix/ElementMatrix.h	(revision 12898)
+++ /u/astrid-r1b/morlighe/issmuci/trunk-jpl/../trunk-jpl/src/c/classes/matrix/ElementMatrix.h	(revision 12899)
@@ -15,6 +15,7 @@
 #include "../../EnumDefinitions/EnumDefinitions.h"
 class Node;
 class Matrix;
+class Parameters;
 /*}}}*/
 
 class ElementMatrix{
Index: /u/astrid-r1b/morlighe/issmuci/trunk-jpl/../trunk-jpl/src/c/classes/matrix/Matrix.cpp
===================================================================
--- /u/astrid-r1b/morlighe/issmuci/trunk-jpl/../trunk-jpl/src/c/classes/matrix/Matrix.cpp	(revision 12898)
+++ /u/astrid-r1b/morlighe/issmuci/trunk-jpl/../trunk-jpl/src/c/classes/matrix/Matrix.cpp	(revision 12899)
@@ -25,7 +25,9 @@
 /*FUNCTION Matrix::Matrix(){{{*/
 Matrix::Matrix(){
 
+	#ifdef _HAVE_PETSC_
 	pmatrix=NULL;
+	#endif
 	smatrix=NULL;
 
 	type=PetscMatType; //default
@@ -38,7 +40,9 @@
 /*FUNCTION Matrix::Matrix(int M,int N,int type){{{*/
 Matrix::Matrix(int M,int N,int in_type){
 
+	#ifdef _HAVE_PETSC_
 	pmatrix=NULL;
+	#endif
 	smatrix=NULL;
 	type=in_type;
 
@@ -59,7 +63,9 @@
 /*FUNCTION Matrix::Matrix(int M,int N,IssmDouble sparsity,int type){{{*/
 Matrix::Matrix(int M,int N,IssmDouble sparsity,int in_type){
 
+	#ifdef _HAVE_PETSC_
 	pmatrix=NULL;
+	#endif
 	smatrix=NULL;
 	type=in_type;
 
@@ -79,7 +85,9 @@
 /*FUNCTION Matrix::Matrix(IssmDouble* serial_mat, int M,int N,IssmDouble sparsity,int type){{{*/
 Matrix::Matrix(IssmDouble* serial_mat, int M,int N,IssmDouble sparsity,int in_type){
 
+	#ifdef _HAVE_PETSC_
 	pmatrix=NULL;
+	#endif
 	smatrix=NULL;
 	type=in_type;
 
@@ -100,7 +108,9 @@
 /*FUNCTION Matrix::Matrix(int M,int N,int connectivity,int numberofdofspernode,int type){{{*/
 Matrix::Matrix(int M,int N,int connectivity,int numberofdofspernode,int in_type){
 
+	#ifdef _HAVE_PETSC_
 	pmatrix=NULL;
+	#endif
 	smatrix=NULL;
 	type=in_type;