Index: /issm/trunk-jpl/externalpackages/proj/install-8-static-with_tests.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/proj/install-8-static-with_tests.sh	(revision 26377)
+++ /issm/trunk-jpl/externalpackages/proj/install-8-static-with_tests.sh	(revision 26378)
@@ -7,5 +7,5 @@
 VER="8.1.0"
 
-PREFIX="${ISSM_DIR}/externalpackages/proj/install" # Set to location where external package should be installed
+PREFIX="${ISSM_EXT_STATIC_DIR}/proj/install" # Set to location where external package should be installed
 
 ## Environment
@@ -13,4 +13,15 @@
 export CC=mpicc
 export CXX=mpicxx
+
+# NOTE: On macOS, SQLite3 should be installed by default, but PROJ currently 
+# requires,
+#
+#	SQLITE3_LIBS="-lsqlite3".
+#
+# On Ubuntu Linux, install the SQLite3 binary, libraries and headers with,
+#
+#	`apt-get install sqlite3 libsqlite3-dev`
+#
+export SQLITE3_LIBS="-lsqlite3"
 
 # Cleanup
Index: /issm/trunk-jpl/externalpackages/proj/install-8-static.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/proj/install-8-static.sh	(revision 26377)
+++ /issm/trunk-jpl/externalpackages/proj/install-8-static.sh	(revision 26378)
@@ -7,5 +7,5 @@
 VER="8.1.0"
 
-PREFIX="${ISSM_DIR}/externalpackages/proj/install" # Set to location where external package should be installed
+PREFIX="${ISSM_EXT_STATIC_DIR}/proj/install" # Set to location where external package should be installed
 
 ## Environment
@@ -13,4 +13,15 @@
 export CC=mpicc
 export CXX=mpicxx
+
+# NOTE: On macOS, SQLite3 should be installed by default, but PROJ currently 
+# requires,
+#
+#	SQLITE3_LIBS="-lsqlite3".
+#
+# On Ubuntu Linux, install the SQLite3 binary, libraries and headers with,
+#
+#	`apt-get install sqlite3 libsqlite3-dev`
+#
+export SQLITE3_LIBS="-lsqlite3"
 
 # Cleanup
Index: /issm/trunk-jpl/externalpackages/proj/install-8-with_tests.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/proj/install-8-with_tests.sh	(revision 26377)
+++ /issm/trunk-jpl/externalpackages/proj/install-8-with_tests.sh	(revision 26378)
@@ -7,5 +7,5 @@
 VER="8.1.0"
 
-PREFIX="${ISSM_DIR}/externalpackages/proj/install" # Set to location where external package should be installed
+PREFIX="${ISSM_EXT_SHARED_DIR}/proj/install" # Set to location where external package should be installed
 
 ## Environment
@@ -13,4 +13,15 @@
 export CC=mpicc
 export CXX=mpicxx
+
+# NOTE: On macOS, SQLite3 should be installed by default, but PROJ currently 
+# requires,
+#
+#	SQLITE3_LIBS="-lsqlite3".
+#
+# On Ubuntu Linux, install the SQLite3 binary, libraries and headers with,
+#
+#	`apt-get install sqlite3 libsqlite3-dev`
+#
+export SQLITE3_LIBS="-lsqlite3"
 
 # Cleanup
Index: /issm/trunk-jpl/externalpackages/proj/install-8.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/proj/install-8.sh	(revision 26377)
+++ /issm/trunk-jpl/externalpackages/proj/install-8.sh	(revision 26378)
@@ -13,4 +13,15 @@
 export CC=mpicc
 export CXX=mpicxx
+
+# NOTE: On macOS, SQLite3 should be installed by default, but PROJ currently 
+# requires,
+#
+#	SQLITE3_LIBS="-lsqlite3".
+#
+# On Ubuntu Linux, install the SQLite3 binary, libraries and headers with,
+#
+#	`apt-get install sqlite3 libsqlite3-dev`
+#
+export SQLITE3_LIBS="-lsqlite3"
 
 # Cleanup
