Index: /issm/trunk-jpl/externalpackages/dakota/install-6.2-linux.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/dakota/install-6.2-linux.sh	(revision 24809)
+++ /issm/trunk-jpl/externalpackages/dakota/install-6.2-linux.sh	(revision 24810)
@@ -17,4 +17,5 @@
 export DAK_INSTALL=${DAK_ROOT}/install
 export DAK_SRC=${DAK_ROOT}/src
+export GSL_HOME=${ISSM_DIR}/externalpackages/gsl/install
 export LAPACK_LIBS="-L${ISSM_DIR}/externalpackages/petsc/install/lib -lflapack -L/usr/lib/x86_64-linux-gnu -lgfortran" # Need to export LAPACK_LIBS *and* pass it as an option to CMake to ensure that external packages also find it
 
@@ -54,4 +55,6 @@
 	-DHAVE_ACRO=OFF \
 	-DHAVE_JEGA=OFF \
+	-DHAVE_QUESO=ON \
+	-DDAKOTA_HAVE_GSL=ON \
 	-C${DAK_SRC}/cmake/BuildDakotaCustom.cmake \
 	-C${DAK_SRC}/cmake/DakotaDev.cmake \
Index: /issm/trunk-jpl/externalpackages/gsl/install-1.15-linux.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/gsl/install-1.15-linux.sh	(revision 24810)
+++ /issm/trunk-jpl/externalpackages/gsl/install-1.15-linux.sh	(revision 24810)
@@ -0,0 +1,36 @@
+#!/bin/bash
+set -eu
+
+
+# Constants
+#
+GSL_ROOT=${ISSM_DIR}/externalpackages/gsl
+VER="1.15"
+
+# Cleanup=
+rm -rf install src
+mkdir install src
+
+# Download source
+${ISSM_DIR}/scripts/DownloadExternalPackage.sh "https://issm.ess.uci.edu/files/externalpackages/gsl-${VER}.tar.gz" "gsl-${VER}.tar.gz"
+
+# Unpack source
+tar -zxvf gsl-${VER}.tar.gz
+
+# Move source to 'src' directory
+mv gsl-${VER}/* src
+rm -rf gsl-${VER}
+
+# Configure
+cd src
+./configure \
+	--prefix="${GSL_ROOT}/install"
+
+# Compile and install
+if [ $# -eq 0 ]; then
+	make
+	make install
+else
+	make -j $1
+	make -j $1 install
+fi
Index: /issm/trunk-jpl/jenkins/ross-debian_linux-codipack
===================================================================
--- /issm/trunk-jpl/jenkins/ross-debian_linux-codipack	(revision 24809)
+++ /issm/trunk-jpl/jenkins/ross-debian_linux-codipack	(revision 24810)
@@ -22,9 +22,9 @@
 	--with-scalapack-dir=${ISSM_DIR}/externalpackages/petsc/install \
 	--with-mumps-dir=${ISSM_DIR}/externalpackages/petsc/install \
+	--with-gsl-dir=${ISSM_DIR}/externalpackages/gsl/install \
 	--with-triangle-dir=${ISSM_DIR}/externalpackages/triangle/install \
 	--with-chaco-dir=${ISSM_DIR}/externalpackages/chaco/install \
 	--with-m1qn3-dir=${ISSM_DIR}/externalpackages/m1qn3/install \
 	--with-semic-dir=${ISSM_DIR}/externalpackages/semic/install \
-	--with-gsl-dir=${ISSM_DIR}/externalpackages/gsl/install \
 	--with-medipack-dir="${ISSM_DIR}/externalpackages/medipack/install" \
 	--with-codipack-dir="${ISSM_DIR}/externalpackages/codipack/install" \
@@ -39,9 +39,9 @@
 	cmake		install.sh
 	petsc		install-3.12-linux.sh
+	gsl			install-1.15-linux.sh
 	triangle	install-linux.sh
 	chaco		install.sh
 	m1qn3		install.sh
 	semic		install.sh
-	gsl			install-linux64.sh
 	medipack	install.sh
 	codipack	install.sh
Index: /issm/trunk-jpl/jenkins/ross-debian_linux-dakota
===================================================================
--- /issm/trunk-jpl/jenkins/ross-debian_linux-dakota	(revision 24809)
+++ /issm/trunk-jpl/jenkins/ross-debian_linux-dakota	(revision 24810)
@@ -23,6 +23,7 @@
 	--with-mumps-dir=${ISSM_DIR}/externalpackages/petsc/install \
 	--with-petsc-dir=${ISSM_DIR}/externalpackages/petsc/install \
+	--with-gsl-dir=${ISSM_DIR}/externalpackages/gsl/install \
+	--with-boost-dir=${ISSM_DIR}/externalpackages/boost/install \
 	--with-dakota-dir=${ISSM_DIR}/externalpackages/dakota/install \
-	--with-boost-dir=${ISSM_DIR}/externalpackages/boost/install \
 	--with-triangle-dir=${ISSM_DIR}/externalpackages/triangle/install \
 	--with-chaco-dir=${ISSM_DIR}/externalpackages/chaco/install \
@@ -39,4 +40,5 @@
 	cmake		install.sh
 	petsc		install-3.12-linux.sh
+	gsl			install-1.15-linux.sh
 	boost		install-1.55-linux.sh
 	dakota		install-6.2-linux.sh
Index: /issm/trunk-jpl/m4/issm_options.m4
===================================================================
--- /issm/trunk-jpl/m4/issm_options.m4	(revision 24809)
+++ /issm/trunk-jpl/m4/issm_options.m4	(revision 24810)
@@ -605,12 +605,6 @@
 				elif test "${DAKOTA_VERSION}" == "6.1" || test "${DAKOTA_VERSION}" == "6.2"; then
 					if test "${BOOST_VERSION_MAJOR}" == "1"; then
-						if test "${BOOST_VERSION_MINOR}" == "55"; then
-							DAKOTAFLAGS="-DDISABLE_DAKOTA_CONFIG_H -DBOOST_MULTI_INDEX_DISABLE_SERIALIZATION -DDAKOTA_PLUGIN -DBOOST_DISABLE_ASSERTS -DDAKOTA_HAVE_BOOST_FS -DHAVE_UNISTD_H -DHAVE_SYSTEM -DHAVE_WORKING_FORK -DHAVE_WORKING_VFORK -DHAVE_SYS_WAIT_H -DHAVE_USLEEP -DDAKOTA_F90 -DDAKOTA_HAVE_MPI -DHAVE_PECOS -DHAVE_SURFPACK -DDAKOTA_UTILIB -DHAVE_ADAPTIVE_SAMPLING -DHAVE_CONMIN -DDAKOTA_DDACE -DHAVE_FSUDACE -DDAKOTA_HOPS -DHAVE_NCSU -DHAVE_NL2SOL -DHAVE_OPTPP -DDAKOTA_OPTPP -DHAVE_PSUADE -DHAVE_AMPL"
-							DAKOTALIB="-L${DAKOTA_ROOT}/lib -ldakota_src -ldream -lfsudace -lddace -lnomad -lpecos_src -llhs -llhs_mods -loptpp -lsurfpack -lconmin -ldakota_src_fortran -llhs_mod -lncsuopt -lsurfpack_fortran -lteuchos -lamplsolver -lcport -ldfftpack -lfsudace -lhopspack -lnidr -lpecos -lpsuade -lsparsegrid -L${BOOST_ROOT}/lib -lboost_serialization -lboost_signals -lboost_regex -lboost_filesystem -lboost_system ${BLASLAPACKLIB}"
-						elif test "${BOOST_VERSION_MINOR}" = "72"; then
-							DAKOTAFLAGS="-DHAVE_CONFIG_H -DHAVE_CONFIG_H -DDISABLE_DAKOTA_CONFIG_H -DBOOST_DISABLE_ASSERTS -DHAVE_UNISTD_H -DHAVE_SYSTEM -DHAVE_WORKING_FORK -DHAVE_WORKING_VFORK -DHAVE_SYS_WAIT_H -DHAVE_USLEEP -DDAKOTA_F90 -DDAKOTA_HAVE_MPI -DHAVE_PECOS -DHAVE_SURFPACK -DHAVE_ADAPTIVE_SAMPLING -DHAVE_ESM -DHAVE_CONMIN -DHAVE_DDACE -DHAVE_DREAM -DHAVE_FSUDACE -DDAKOTA_HOPS -DHAVE_NCSU -DHAVE_NL2SOL -DHAVE_NOMAD -DHAVE_OPTPP -DDAKOTA_OPTPP -DHAVE_PSUADE -DHAVE_AMPL"
-							dnl See $ISSM_DIR/dakota/build/src/Makefile.export.Dakota -> Dakota_LIBRARIES
-							DAKOTALIB="-L${DAKOTA_ROOT}/lib -ldakota_src -ldakota_src_fortran -lnidr -lteuchos -lpecos -lpecos_src -llhs -llhs_mods -llhs_mod -ldfftpack -lsparsegrid -lsurfpack -lsurfpack -lsurfpack_fortran -lconmin -lddace -ldream -lfsudace -lhopspack -lncsuopt -lcport -lnomad -loptpp -lpsuade -lamplsolver -L${BOOST_ROOT}/lib -lboost_filesystem -lboost_program_options -lboost_regex -lboost_serialization -lboost_system ${BLASLAPACKLIB}"
-						fi
+						DAKOTAFLAGS="-DHAVE_CONFIG_H -DHAVE_CONFIG_H -DDISABLE_DAKOTA_CONFIG_H -DBOOST_DISABLE_ASSERTS -DHAVE_UNISTD_H -DHAVE_SYSTEM -DHAVE_WORKING_FORK -DHAVE_WORKING_VFORK -DHAVE_SYS_WAIT_H -DHAVE_USLEEP -DDAKOTA_F90 -DDAKOTA_HAVE_MPI -DHAVE_PECOS -DHAVE_SURFPACK -DHAVE_ADAPTIVE_SAMPLING -DHAVE_ESM -DHAVE_QUESO -DHAVE_QUESO_GPMSA -DHAVE_CONMIN -DHAVE_DDACE -DHAVE_DREAM -DHAVE_FSUDACE -DDAKOTA_HOPS -DHAVE_NCSU -DHAVE_NL2SOL -DHAVE_NOMAD -DHAVE_OPTPP -DDAKOTA_OPTPP -DHAVE_PSUADE -DHAVE_AMPL"
+						DAKOTALIB="-L${DAKOTA_ROOT}/lib -ldakota_src -ldakota_src_fortran -lnidr -lteuchos -lpecos -lpecos_src -llhs -llhs_mods -llhs_mod -ldfftpack -lsparsegrid -lsurfpack -lsurfpack -lsurfpack_fortran -lqueso -lconmin -lddace -ldream -lfsudace -lhopspack -lncsuopt -lcport -lnomad -loptpp -lpsuade -lamplsolver -L${BOOST_ROOT}/lib -lboost_serialization -lboost_signals -lboost_regex -lboost_filesystem -lboost_system ${BLASLAPACKLIB}"
 					fi
 					AC_DEFINE([DISABLE_DAKOTA_CONFIG_H], [1], [disabling DAKOTA_CONFIG_H])
