Index: /issm/trunk-jpl/externalpackages/gdal/install-3-python-static.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/gdal/install-3-python-static.sh	(revision 28211)
+++ /issm/trunk-jpl/externalpackages/gdal/install-3-python-static.sh	(revision 28212)
@@ -45,6 +45,11 @@
 	-DCURL_LIBRARY_RELEASE="${CURL_ROOT}/lib/libcurl.a" \
 	-DCURL_USE_STATIC_LIBS=ON \
+	-DGDAL_USE_EXPAT=OFF \
 	-DGDAL_USE_JPEG_INTERNAL=ON \
 	-DGDAL_USE_JPEG12_INTERNAL=ON \
+	-DGDAL_USE_LIBAEC=OFF \
+	-DGDAL_USE_LIBXML2=OFF \
+	-DGDAL_USE_LIBLZMA=OFF \
+	-DGDAL_USE_LZ4=OFF \
 	-DNETCDF_INCLUDE_DIR="${NETCDF_ROOT}/include" \
 	-DNETCDF_LIBRARY="${NETCDF_ROOT}/lib/libnetcdf.a" \
@@ -52,4 +57,5 @@
 	-DGDAL_USE_OPENSSL=OFF \
 	-DGDAL_USE_PNG_INTERNAL=ON \
+	-DGDAL_USE_POSTGRESQL=OFF \
 	-DPROJ_INCLUDE_DIR="${PROJ_ROOT}/include" \
 	-DPROJ_LIBRARY_RELEASE="${PROJ_ROOT}/lib/libproj.a" \
Index: /issm/trunk-jpl/externalpackages/gdal/install-3-static.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/gdal/install-3-static.sh	(revision 28211)
+++ /issm/trunk-jpl/externalpackages/gdal/install-3-static.sh	(revision 28212)
@@ -2,8 +2,4 @@
 set -e
 
-
-## TODO
-#	- May want to supply path to Python instead of, effectively, using result of `which python`
-#
 
 ## Constants
@@ -45,6 +41,11 @@
 	-DCURL_LIBRARY_RELEASE="${CURL_ROOT}/lib/libcurl.a" \
 	-DCURL_USE_STATIC_LIBS=ON \
+	-DGDAL_USE_EXPAT=OFF \
 	-DGDAL_USE_JPEG_INTERNAL=ON \
 	-DGDAL_USE_JPEG12_INTERNAL=ON \
+	-DGDAL_USE_LIBAEC=OFF \
+	-DGDAL_USE_LIBXML2=OFF \
+	-DGDAL_USE_LIBLZMA=OFF \
+	-DGDAL_USE_LZ4=OFF \
 	-DNETCDF_INCLUDE_DIR="${NETCDF_ROOT}/include" \
 	-DNETCDF_LIBRARY="${NETCDF_ROOT}/lib/libnetcdf.a" \
@@ -52,4 +53,5 @@
 	-DGDAL_USE_OPENSSL=OFF \
 	-DGDAL_USE_PNG_INTERNAL=ON \
+	-DGDAL_USE_POSTGRESQL=OFF \
 	-DPROJ_INCLUDE_DIR="${PROJ_ROOT}/include" \
 	-DPROJ_LIBRARY_RELEASE="${PROJ_ROOT}/lib/libproj.a" \
Index: /issm/trunk-jpl/externalpackages/gmt/install-6-linux-static.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/gmt/install-6-linux-static.sh	(revision 28211)
+++ /issm/trunk-jpl/externalpackages/gmt/install-6-linux-static.sh	(revision 28212)
@@ -27,7 +27,4 @@
 export CC=mpicc
 export CFLAGS="${CFLAGS} -w"
-export CURL_INCLUDE_DIRS="${CURL_ROOT}/include"
-export CURL_LIBRARIES="${CURL_ROOT}/lib/libcurl.a;${ZLIB_ROOT}/lib/libz.a"
-export LDFLAGS="-llzma -lexpat -laec"
 
 # Download source
Index: /issm/trunk-jpl/externalpackages/gmt/install-6-mac-static.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/gmt/install-6-mac-static.sh	(revision 28211)
+++ /issm/trunk-jpl/externalpackages/gmt/install-6-mac-static.sh	(revision 28212)
@@ -31,4 +31,8 @@
 LIBGLIB=$(find /usr /opt -name libglib-2.0.* 2>/dev/null | egrep -n libglib-2.0.a | egrep -v i386 | sed "s/[0-9]*://g" | head -1)
 LIBGLIB_ROOT=${LIBGLIB%/*}
+GLIB_H=$(find /usr /opt -name glib.h 2>/dev/null | head -1)
+GLIB_H_DIR=${GLIB_H%/*}
+GLIBCONFIG_H=$(find /opt -name glibconfig.h 2>/dev/null | head -1)
+GLIBCONFIG_H_DIR=${GLIBCONFIG_H%/*}
 echo "Finding libintl..."
 LIBINTL=$(find /usr /opt -name libintl.* 2>/dev/null | egrep -n libintl.a | egrep -v i386 | sed "s/[0-9]*://g" | head -1)
@@ -43,6 +47,4 @@
 export CC=mpicc
 export CFLAGS="${CFLAGS} -w"
-export CURL_INCLUDE_DIRS="${CURL_ROOT}/include"
-export CURL_LIBRARIES="${CURL_ROOT}/lib/libcurl.a;${ZLIB_ROOT}/lib/libz.a"
 
 # Download source
@@ -88,6 +90,6 @@
 	-DCURL_LIBRARY="${CURL_ROOT}/lib/libcurl.a" \
 	-DGDAL_EXTRA_LIBS="${GDAL_EXTRA_LIBS}" \
-	-DGLIB_GTHREAD_LIBRARIES="${LIBGLIB_ROOT}/libgthread-2.0.a" \
-	-DGLIB_LIBRARY="${LIBGLIB} ${LIBINTL} -liconv ${LIBPCRE} -framework Foundation" \
+	-DGLIB_INCLUDE_DIRS="${GLIB_H_DIR};${GLIBCONFIG_H_DIR}" \
+	-DGLIB_LIBRARY="${LIBGLIB} ${LIBGLIB_ROOT}/libgthread-2.0.a ${LIBINTL} -liconv ${LIBPCRE} -framework Foundation" \
 	-DLAPACK_LIBRARIES="${LAPACK_ROOT}/lib/libflapack.a;${LIBGFORTRAN_ROOT}/libgfortran.a;${LIBGFORTRAN_ROOT}/libquadmath.a" \
 	-DNETCDF_EXTRA_LIBS="${NETCDF_EXTRA_LIBS}" \
Index: /issm/trunk-jpl/test/NightlyRun/test455.m
===================================================================
--- /issm/trunk-jpl/test/NightlyRun/test455.m	(revision 28211)
+++ /issm/trunk-jpl/test/NightlyRun/test455.m	(revision 28212)
@@ -14,5 +14,5 @@
 	md=solve(md,'Stressbalance');
 	field_names     ={field_names{:},['Vx' i{1}],['Vy' i{1}],['Vz' i{1}],['Vel' i{1}],['Pressure' i{1}]};
-	field_tolerances={field_tolerances{:},8e-08,6e-08,6e-08,6e-08,3e-13};
+	field_tolerances={field_tolerances{:},9e-08,6e-08,6e-08,6e-08,3e-13};
 	field_values={field_values{:},...
 	(md.results.StressbalanceSolution.Vx),...
Index: /issm/trunk-jpl/test/NightlyRun/test455.py
===================================================================
--- /issm/trunk-jpl/test/NightlyRun/test455.py	(revision 28211)
+++ /issm/trunk-jpl/test/NightlyRun/test455.py	(revision 28212)
@@ -23,5 +23,5 @@
     md = solve(md, 'Stressbalance')
     field_names = field_names + ['Vx' + i, 'Vy' + i, 'Vz' + i, 'Vel' + i, 'Pressure' + i]
-    field_tolerances = field_tolerances + [8e-08, 6e-08, 6e-08, 6e-08, 3e-13]
+    field_tolerances = field_tolerances + [9e-08, 6e-08, 6e-08, 6e-08, 3e-13]
     field_values = field_values + [md.results.StressbalanceSolution.Vx,
                                    md.results.StressbalanceSolution.Vy,