Index: /u/astrid-r1b/morlighe/issmuci/trunk-jpl/../trunk-jpl/m4/issm_options.m4
===================================================================
--- /u/astrid-r1b/morlighe/issmuci/trunk-jpl/../trunk-jpl/m4/issm_options.m4	(revision 13273)
+++ /u/astrid-r1b/morlighe/issmuci/trunk-jpl/../trunk-jpl/m4/issm_options.m4	(revision 13274)
@@ -675,6 +675,9 @@
 
 	AC_MSG_CHECKING(for petsc headers and libraries in $PETSC_ROOT for architecture $PETSC_ARCH)
 	
+	dnl To ge PETSc's libraries:
+	dnl cd externalpackages/petsc/src
+	dnl make getlinklibs
 	if test -d "$PETSC_ROOT"; then
 
 		PETSCINCL="-I$PETSC_ROOT/$PETSC_ARCH/include -I$PETSC_ROOT/include/$PETSC_ARCH/ -I$PETSC_ROOT/include -I$PETSC_ROOT/ -I$PETSC_ROOT/bmake/$PETSC_ARCH -I$PETSC_ROOT/src/mat/impls/dense/mpi/plapack/"