Index: /issm/trunk/m4/issm_options.m4
===================================================================
--- /issm/trunk/m4/issm_options.m4	(revision 6847)
+++ /issm/trunk/m4/issm_options.m4	(revision 6848)
@@ -346,5 +346,10 @@
 			;;
 			*linux*)
+			if test "$PETSC_VERSION" = "2" ; then
 			PETSCLIB="-L$PETSC_ROOT/$PETSC_ARCH/lib -L$PETSC_ROOT/lib -L$PETSC_ROOT/lib/$PETSC_ARCH -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetsc  -lpetscsnes -lpetscts"
+			fi
+			if test "$PETSC_VERSION" = "3" ; then
+			PETSCLIB="-L$PETSC_ROOT/$PETSC_ARCH/lib -L$PETSC_ROOT/lib -L$PETSC_ROOT/lib/$PETSC_ARCH -lpetsc"
+			fi
 			;;
 			*darwin*)