Index: /issm/trunk-jpl/externalpackages/dakota/install-6.2-linux-static.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/dakota/install-6.2-linux-static.sh	(revision 27193)
+++ /issm/trunk-jpl/externalpackages/dakota/install-6.2-linux-static.sh	(revision 27194)
@@ -9,12 +9,20 @@
 PREFIX="${ISSM_DIR}/externalpackages/dakota/install" # Set to location where external package should be installed
 
+# Find libgfortran and libgcc so we do not have to hardcode them
+#
+# TODO:
+# - Move this to etc/environment.sh
+#
+LIBGFORTRAN=$(find /usr -name libgfortran* | egrep -n libgfortran.a | sed "s/[0-9]*://g" | head -1)
+LIBGFORTRAN_ROOT=${LIBGFORTRAN%/*}
+LIBGCC=$(find ${LIBGFORTRAN_ROOT} -name libgcc* | egrep -n libgcc.a | sed "s/[0-9]*://g" | head -1
+
 ## Environment
 #
-export BLAS_LIBS="-L${BLAS_ROOT}/lib -lfblas -L/usr/lib/x86_64-linux-gnu -lgfortran" # Need to export BLAS_LIBS *and* pass it as an option to CMake to ensure that external packages also find it
-export CXXFLAGS='-std=c++98' # Setting CXXFLAGS to deal with C++11 incompatibility with MATLAB's Boost (absolutely necessary for this version)
+export BLAS_LIBS="-L${BLAS_ROOT}/lib -lfblas ${LIBGFORTRAN_ROOT}/libgfortran.a ${LIBGFORTRAN_ROOT}/libquadmath.a ${LIBGCC}" # Need to export BLAS_LIBS *and* pass it as an option to CMake to ensure that external packages also find it
 export DAK_BUILD=${ISSM_DIR}/externalpackages/dakota/build # DO NOT CHANGE THIS
 export DAK_INSTALL=${PREFIX} # DO NOT CHANGE THIS
 export DAK_SRC=${ISSM_DIR}/externalpackages/dakota/src # DO NOT CHANGE THIS
-export LAPACK_LIBS="-L${LAPACK_ROOT}/lib -lflapack -L/usr/lib/x86_64-linux-gnu -lgfortran" # Need to export LAPACK_LIBS *and* pass it as an option to CMake to ensure that external packages also find it
+export LAPACK_LIBS="-L${LAPACK_ROOT}/lib -lflapack -L/usr/lib/x86_64-linux-gnu ${LIBGFORTRAN_ROOT}/libgfortran.a ${LIBGFORTRAN_ROOT}/libquadmath.a ${LIBGCC}" # Need to export LAPACK_LIBS *and* pass it as an option to CMake to ensure that external packages also find it
 
 # Cleanup
@@ -54,4 +62,5 @@
 	-DCMAKE_CXX_COMPILER=${MPI_HOME}/bin/mpicxx \
 	-DCMAKE_CXX_FLAGS="-fPIC" \
+	-DCMAKE_CXX_STANDARD="11" \
 	-DCMAKE_Fortran_COMPILER=${MPI_HOME}/bin/mpif77 \
 	-DBoost_NO_BOOST_CMAKE=TRUE \
Index: /issm/trunk-jpl/externalpackages/dakota/install-6.2-mac-static.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/dakota/install-6.2-mac-static.sh	(revision 27193)
+++ /issm/trunk-jpl/externalpackages/dakota/install-6.2-mac-static.sh	(revision 27194)
@@ -80,4 +80,5 @@
 	-DCMAKE_CXX_COMPILER=${MPI_HOME}/bin/mpicxx \
 	-DCMAKE_CXX_FLAGS="-fPIC -fdelayed-template-parsing" \
+	-DCMAKE_CXX_STANDARD="11" \
 	-DCMAKE_Fortran_COMPILER=${MPI_HOME}/bin/mpif77 \
 	-DCMAKE_Fortran_FLAGS="-fPIC -fallow-argument-mismatch" \
Index: /issm/trunk-jpl/externalpackages/gmsh/install-4-linux-static.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/gmsh/install-4-linux-static.sh	(revision 27193)
+++ /issm/trunk-jpl/externalpackages/gmsh/install-4-linux-static.sh	(revision 27194)
@@ -17,14 +17,10 @@
 # Find libgfortran and libgcc so we do not have to hardcode them
 #
-# NOTE: For now, paths are hardcoded.
-#
 # TODO:
 # - Move this to etc/environment.sh
-# - Figure out how to find and grep for single result like we do with mdfind 
-#	under macOS.
 #
-LIBGFORTRAN="/usr/lib/gcc/x86_64-linux-gnu/8/libgfortran.a"
+LIBGFORTRAN=$(find /usr -name libgfortran* | egrep -n libgfortran.a | sed "s/[0-9]*://g" | head -1)
 LIBGFORTRAN_ROOT=${LIBGFORTRAN%/*}
-LIBGCC="/usr/lib/gcc/x86_64-linux-gnu/8/libgcc.a"
+LIBGCC=$(find ${LIBGFORTRAN_ROOT} -name libgcc* | egrep -n libgcc.a | sed "s/[0-9]*://g" | head -1)
 
 PREFIX="${ISSM_DIR}/externalpackages/gmsh/install" # Set to location where external package should be installed
Index: /issm/trunk-jpl/externalpackages/gmsh/install-4-linux.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/gmsh/install-4-linux.sh	(revision 27193)
+++ /issm/trunk-jpl/externalpackages/gmsh/install-4-linux.sh	(revision 27194)
@@ -16,4 +16,12 @@
 
 PREFIX="${ISSM_DIR}/externalpackages/gmsh/install" # Set to location where external package should be installed
+
+# Find libgfortran so that we do not have to hardcode it.
+#
+# TODO:
+# - Move this to etc/environment.sh
+#
+LIBGFORTRAN=$(find /usr -name libgfortran* | egrep -n libgfortran.a | sed "s/[0-9]*://g" | head -1)
+LIBGFORTRAN_ROOT=${LIBGFORTRAN%/*}
 
 # Cleanup
@@ -53,5 +61,5 @@
 	-DENABLE_OCC=0 \
 	-DENABLE_TOUCHBAR=0 \
-	-DBLAS_LAPACK_LIBRARIES="-L${LAPACK_ROOT}/lib -lflapack -L${BLAS_ROOT}/lib -lfblas" \
+	-DBLAS_LAPACK_LIBRARIES="-L${LAPACK_ROOT}/lib -lflapack -L${BLAS_ROOT}/lib -lfblas -L${LIBGFORTRAN_ROOT} -lgfortran" \
 	-DMETIS_ROOT="${METIS_ROOT}"
 
Index: /issm/trunk-jpl/externalpackages/gmt/install-6-linux-static.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/gmt/install-6-linux-static.sh	(revision 27193)
+++ /issm/trunk-jpl/externalpackages/gmt/install-6-linux-static.sh	(revision 27194)
@@ -9,14 +9,10 @@
 # Find libgfortran and libgcc so we do not have to hardcode them
 #
-# NOTE: For now, paths are hardcoded.
-#
 # TODO:
 # - Move this to etc/environment.sh
-# - Figure out how to find and grep for single result like we do with mdfind 
-#	under macOS.
 #
-LIBGFORTRAN="/usr/lib/gcc/x86_64-linux-gnu/8/libgfortran.a"
+LIBGFORTRAN=$(find /usr -name libgfortran* | egrep -n libgfortran.a | sed "s/[0-9]*://g" | head -1)
 LIBGFORTRAN_ROOT=${LIBGFORTRAN%/*}
-LIBGCC="/usr/lib/gcc/x86_64-linux-gnu/8/libgcc.a"
+LIBGCC=$(find ${LIBGFORTRAN_ROOT} -name libgcc* | egrep -n libgcc.a | sed "s/[0-9]*://g" | head -1)
 
 GDAL_EXTRA_LIBS="-lstdc++" # Determined by running `$GDAL_ROOT/bin/gdal-config --dep-libs` then removing duplicate libs