Index: /issm/trunk-jpl/externalpackages/boost/configs/1.55/reverse_iterator.hpp.patch
===================================================================
--- /issm/trunk-jpl/externalpackages/boost/configs/1.55/reverse_iterator.hpp.patch	(revision 25899)
+++ /issm/trunk-jpl/externalpackages/boost/configs/1.55/reverse_iterator.hpp.patch	(revision 25899)
@@ -0,0 +1,4 @@
+64c64
+<       return reverse_iterator<BidirectionalIterator>(x);
+---
+>       return boost::reverse_iterator<BidirectionalIterator>(x);
Index: /issm/trunk-jpl/externalpackages/petsc/install-3.12-lonestar.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/petsc/install-3.12-lonestar.sh	(revision 25899)
+++ /issm/trunk-jpl/externalpackages/petsc/install-3.12-lonestar.sh	(revision 25899)
@@ -0,0 +1,45 @@
+#!/bin/bash
+set -eu
+
+## Constants
+#
+VER="3.12.3"
+
+# Download source
+$ISSM_DIR/scripts/DownloadExternalPackage.sh "https://issm.ess.uci.edu/files/externalpackages/petsc-lite-${VER}.tar.gz" "petsc-${VER}.tar.gz"
+
+# Unpack source
+tar -zxvf petsc-${VER}.tar.gz
+
+# Cleanup
+rm -rf install src
+mkdir install src
+
+# Move source to 'src' directory
+mv petsc-${VER}/* src/
+rm -rf petsc-${VER}
+
+#configure
+cd src
+./config/configure.py \
+	--prefix="$ISSM_DIR/externalpackages/petsc/install" \
+	--PETSC_DIR="$ISSM_DIR/externalpackages/petsc/src" \
+	--with-mpi-dir="/opt/cray/pe/mpt/7.7.3/gni/mpich-intel/16.0/" \
+	--with-blas-lapack-dir="$TACC_MKL_LIB" \
+	--with-scalapack-include="$TACC_MKL_INC" \
+	--with-scalapack-lib="$TACC_MKL_LIB/libmkl_scalapack_lp64.so $TACC_MKL_LIB/libmkl_blacs_intelmpi_lp64.so" \
+	--with-shared-libraries=1 \
+	--known-mpi-shared-libraries=1 \
+	--with-debugging=0 \
+	--with-valgrind=0 \
+	--with-x=0 \
+	--with-ssl=0 \
+	--with-batch  \
+	--download-metis=1 \
+	--download-parmetis=1 \
+	--download-mumps=1 \
+	--download-scalapack=1
+
+# Compile and install
+make
+make install