Index: /issm/trunk-jpl/packagers/linux/package-issm-linux-binaries-solid_earth.sh
===================================================================
--- /issm/trunk-jpl/packagers/linux/package-issm-linux-binaries-solid_earth.sh	(revision 25187)
+++ /issm/trunk-jpl/packagers/linux/package-issm-linux-binaries-solid_earth.sh	(revision 25188)
@@ -12,4 +12,10 @@
 TARBALL_NAME="issm-linux-solid_earth"
 TARBALL="${TARBALL_NAME}.tar.gz"
+
+# Check if MATLAB exists
+if ! [ -d ${MATLAB_PATH} ]; then
+	echo "${MATLAB_PATH} does not point to a MATLAB installation! Please modify MATLAB_PATH variable in $(basename $0) and try again."
+	exit 1
+fi
 
 # Clean up from previous packaging
Index: /issm/trunk-jpl/packagers/linux/package-issm-linux-binaries-with_dakota.sh
===================================================================
--- /issm/trunk-jpl/packagers/linux/package-issm-linux-binaries-with_dakota.sh	(revision 25187)
+++ /issm/trunk-jpl/packagers/linux/package-issm-linux-binaries-with_dakota.sh	(revision 25188)
@@ -12,4 +12,10 @@
 TARBALL_NAME="issm-linux-with_dakota"
 TARBALL="${TARBALL_NAME}.tar.gz"
+
+# Check if MATLAB exists
+if ! [ -d ${MATLAB_PATH} ]; then
+	echo "${MATLAB_PATH} does not point to a MATLAB installation! Please modify MATLAB_PATH variable in $(basename $0) and try again."
+	exit 1
+fi
 
 # Clean up from previous packaging
Index: /issm/trunk-jpl/packagers/linux/package-issm-linux-binaries.sh
===================================================================
--- /issm/trunk-jpl/packagers/linux/package-issm-linux-binaries.sh	(revision 25187)
+++ /issm/trunk-jpl/packagers/linux/package-issm-linux-binaries.sh	(revision 25188)
@@ -11,4 +11,10 @@
 TARBALL_NAME="issm-linux"
 TARBALL="${TARBALL_NAME}.tar.gz"
+
+# Check if MATLAB exists
+if ! [ -d ${MATLAB_PATH} ]; then
+	echo "${MATLAB_PATH} does not point to a MATLAB installation! Please modify MATLAB_PATH variable in $(basename $0) and try again."
+	exit 1
+fi
 
 # Clean up from previous packaging
Index: /issm/trunk-jpl/packagers/mac/package-issm-mac-binaries-with_dakota.sh
===================================================================
--- /issm/trunk-jpl/packagers/mac/package-issm-mac-binaries-with_dakota.sh	(revision 25187)
+++ /issm/trunk-jpl/packagers/mac/package-issm-mac-binaries-with_dakota.sh	(revision 25188)
@@ -10,4 +10,10 @@
 TARBALL_NAME="issm-mac-with_dakota"
 TARBALL="${TARBALL_NAME}.tar.gz"
+
+# Check if MATLAB exists
+if ! [ -d ${MATLAB_PATH} ]; then
+	echo "${MATLAB_PATH} does not point to a MATLAB installation! Please modify MATLAB_PATH variable in $(basename $0) and try again."
+	exit 1
+fi
 
 # Clean up from previous packaging
Index: /issm/trunk-jpl/packagers/mac/package-issm-mac-binaries.sh
===================================================================
--- /issm/trunk-jpl/packagers/mac/package-issm-mac-binaries.sh	(revision 25187)
+++ /issm/trunk-jpl/packagers/mac/package-issm-mac-binaries.sh	(revision 25188)
@@ -9,4 +9,10 @@
 TARBALL_NAME="issm-mac"
 TARBALL="${TARBALL_NAME}.tar.gz"
+
+# Check if MATLAB exists
+if ! [ -d ${MATLAB_PATH} ]; then
+	echo "${MATLAB_PATH} does not point to a MATLAB installation! Please modify MATLAB_PATH variable in $(basename $0) and try again."
+	exit 1
+fi
 
 # Clean up from previous packaging