Index: ../trunk-jpl/packagers/macosx/install.sh
===================================================================
--- ../trunk-jpl/packagers/macosx/install.sh	(revision 18415)
+++ ../trunk-jpl/packagers/macosx/install.sh	(revision 18416)
@@ -116,6 +116,7 @@
 	--with-triangle-dir=$ISSM_DIR/externalpackages/triangle/install \
 	--with-metis-dir=$ISSM_DIR/externalpackages/petsc/install \
 	--with-petsc-dir=$ISSM_DIR/externalpackages/petsc/install  \
+	--with-blas-lapack-dir=$ISSM_DIR/externalpackages/petsc/install \
 	--with-scalapack-dir=$ISSM_DIR/externalpackages/petsc/install \
 	--with-mumps-dir=$ISSM_DIR/externalpackages/petsc/install \
 	--with-mpi-include=$ISSM_DIR/externalpackages/mpich/install/include  \
