Index: /issm/trunk-jpl/packagers/macosx/install.sh
===================================================================
--- /issm/trunk-jpl/packagers/macosx/install.sh	(revision 18415)
+++ /issm/trunk-jpl/packagers/macosx/install.sh	(revision 18416)
@@ -117,4 +117,5 @@
 	--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 \