diff --git a/configure b/configure
index 55c2383b0..369c7fedd 100755
--- a/configure
+++ b/configure
@@ -9319,7 +9319,7 @@ fi
 
 
 
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ac_config_files="$ac_config_files Makefile Cantera/Makefile Cantera/src/Makefile Cantera/src/zeroD/Makefile Cantera/src/oneD/Makefile Cantera/src/converters/Makefile Cantera/src/transport/Makefile Cantera/src/thermo/Makefile Cantera/clib/src/Makefile Cantera/fortran/src/Makefile Cantera/fortran/f77demos/f77demos.mak Cantera/fortran/f77demos/isentropic.dsp Cantera/matlab/Makefile Cantera/matlab/setup_matlab.py Cantera/matlab/setup_winmatlab.py Cantera/python/Makefile Cantera/python/setup.py Cantera/cxx/Makefile Cantera/cxx/src/Makefile Cantera/cxx/demos/Makefile Cantera/user/Makefile Cantera/python/src/Makefile ext/lapack/Makefile ext/blas/Makefile ext/cvode/Makefile ext/math/Makefile ext/recipes/Makefile ext/tpx/Makefile ext/Makefile ext/f2c_libs/Makefile ext/f2c_blas/Makefile ext/f2c_lapack/Makefile ext/f2c_math/Makefile examples/Makefile examples/cxx/Makefile tools/Makefile tools/doc/Cantera.cfg tools/doc/Makefile tools/src/Makefile tools/src/sample.mak tools/src/finish_install.py tools/src/package4mac tools/templates/f77/demo.mak tools/templates/f90/demo.mak tools/templates/cxx/demo.mak tools/testtools/Makefile data/inputs/Makefile test_problems/Makefile test_problems/cxx_ex/Makefile test_problems/silane_equil/Makefile test_problems/surfkin/Makefile test_problems/diamondSurf/Makefile test_problems/fracCoeff/Makefile test_problems/negATest/Makefile test_problems/ck2cti_test/Makefile test_problems/ck2cti_test/runtest test_problems/min_python/Makefile test_problems/min_python/minDiamond/Makefile test_problems/min_python/negATest/Makefile test_problems/python/Makefile test_problems/cathermo/Makefile test_problems/cathermo/issp/Makefile test_problems/cathermo/ims/Makefile test_problems/cathermo/testIAPWS/Makefile test_problems/cathermo/testIAPWSPres/Makefile test_problems/cathermo/testIAPWSTripP/Makefile test_problems/cathermo/testWaterPDSS/Makefile test_problems/cathermo/testWaterTP/Makefile test_problems/cathermo/HMW_test_1/Makefile test_problems/cathermo/HMW_test_3/Makefile test_problems/cathermo/HMW_graph_GvT/Makefile test_problems/cathermo/HMW_graph_GvI/Makefile test_problems/cathermo/HMW_graph_HvT/Makefile test_problems/cathermo/HMW_graph_CpvT/Makefile test_problems/cathermo/HMW_graph_VvT/Makefile test_problems/cathermo/DH_graph_1/Makefile bin/install_tsc"
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ac_config_files="$ac_config_files Makefile Cantera/Makefile Cantera/src/Makefile Cantera/src/zeroD/Makefile Cantera/src/oneD/Makefile Cantera/src/converters/Makefile Cantera/src/transport/Makefile Cantera/src/thermo/Makefile Cantera/clib/src/Makefile Cantera/fortran/src/Makefile Cantera/fortran/f77demos/f77demos.mak Cantera/fortran/f77demos/isentropic.dsp Cantera/matlab/Makefile Cantera/matlab/setup_matlab.py Cantera/matlab/setup_winmatlab.py Cantera/python/Makefile Cantera/python/setup.py Cantera/cxx/Makefile Cantera/cxx/src/Makefile Cantera/cxx/demos/Makefile Cantera/user/Makefile Cantera/python/src/Makefile ext/lapack/Makefile ext/blas/Makefile ext/cvode/Makefile ext/math/Makefile ext/recipes/Makefile ext/tpx/Makefile ext/Makefile ext/f2c_libs/Makefile ext/f2c_blas/Makefile ext/f2c_lapack/Makefile ext/f2c_math/Makefile examples/Makefile examples/cxx/Makefile tools/Makefile tools/doc/Cantera.cfg tools/doc/Makefile tools/src/Makefile tools/src/sample.mak tools/src/finish_install.py tools/src/package4mac tools/templates/f77/demo.mak tools/templates/f90/demo.mak tools/templates/cxx/demo.mak tools/testtools/Makefile data/inputs/Makefile test_problems/Makefile test_problems/cxx_ex/Makefile test_problems/silane_equil/Makefile test_problems/surfkin/Makefile test_problems/diamondSurf/Makefile test_problems/ChemEquil_gri_matrix/Makefile test_problems/ChemEquil_gri_pairs/Makefile test_problems/fracCoeff/Makefile test_problems/negATest/Makefile test_problems/ck2cti_test/Makefile test_problems/ck2cti_test/runtest test_problems/min_python/Makefile test_problems/min_python/minDiamond/Makefile test_problems/min_python/negATest/Makefile test_problems/python/Makefile test_problems/cathermo/Makefile test_problems/cathermo/issp/Makefile test_problems/cathermo/ims/Makefile test_problems/cathermo/testIAPWS/Makefile test_problems/cathermo/testIAPWSPres/Makefile test_problems/cathermo/testIAPWSTripP/Makefile test_problems/cathermo/testWaterPDSS/Makefile test_problems/cathermo/testWaterTP/Makefile test_problems/cathermo/HMW_test_1/Makefile test_problems/cathermo/HMW_test_3/Makefile test_problems/cathermo/HMW_graph_GvT/Makefile test_problems/cathermo/HMW_graph_GvI/Makefile test_problems/cathermo/HMW_graph_HvT/Makefile test_problems/cathermo/HMW_graph_CpvT/Makefile test_problems/cathermo/HMW_graph_VvT/Makefile test_problems/cathermo/DH_graph_1/Makefile bin/install_tsc"
 
 
 test "x$prefix" = xNONE && prefix=$ac_default_prefix
@@ -9844,6 +9844,8 @@ do
   "test_problems/silane_equil/Makefile" ) CONFIG_FILES="$CONFIG_FILES test_problems/silane_equil/Makefile" ;;
   "test_problems/surfkin/Makefile" ) CONFIG_FILES="$CONFIG_FILES test_problems/surfkin/Makefile" ;;
   "test_problems/diamondSurf/Makefile" ) CONFIG_FILES="$CONFIG_FILES test_problems/diamondSurf/Makefile" ;;
+  "test_problems/ChemEquil_gri_matrix/Makefile" ) CONFIG_FILES="$CONFIG_FILES test_problems/ChemEquil_gri_matrix/Makefile" ;;
+  "test_problems/ChemEquil_gri_pairs/Makefile" ) CONFIG_FILES="$CONFIG_FILES test_problems/ChemEquil_gri_pairs/Makefile" ;;
   "test_problems/fracCoeff/Makefile" ) CONFIG_FILES="$CONFIG_FILES test_problems/fracCoeff/Makefile" ;;
   "test_problems/negATest/Makefile" ) CONFIG_FILES="$CONFIG_FILES test_problems/negATest/Makefile" ;;
   "test_problems/ck2cti_test/Makefile" ) CONFIG_FILES="$CONFIG_FILES test_problems/ck2cti_test/Makefile" ;;
diff --git a/configure.in b/configure.in
index 1b3d0aba4..a51f93aea 100755
--- a/configure.in
+++ b/configure.in
@@ -1276,6 +1276,8 @@ AC_OUTPUT(Makefile \
           test_problems/silane_equil/Makefile \
           test_problems/surfkin/Makefile \
           test_problems/diamondSurf/Makefile \
+          test_problems/ChemEquil_gri_matrix/Makefile \
+          test_problems/ChemEquil_gri_pairs/Makefile \
           test_problems/fracCoeff/Makefile \
           test_problems/negATest/Makefile \
           test_problems/ck2cti_test/Makefile \
diff --git a/test_problems/Makefile.in b/test_problems/Makefile.in
index 674750e49..2efdafd89 100644
--- a/test_problems/Makefile.in
+++ b/test_problems/Makefile.in
@@ -14,6 +14,8 @@ all:
 	cd fracCoeff;    @MAKE@ all
 	cd negATest;     @MAKE@ all
 	cd diamondSurf;  @MAKE@ all
+	cd ChemEquil_gri_matrix; @MAKE@ all
+	cd ChemEquil_gri_pairs; @MAKE@ all
 ifeq ($(test_python),1)
 	cd min_python;   @MAKE@ all
 endif
@@ -33,6 +35,8 @@ test:
 	cd fracCoeff;    @MAKE@ test
 	cd negATest;     @MAKE@ test
 	cd diamondSurf;  @MAKE@ test
+	cd ChemEquil_gri_matrix; @MAKE@ test
+	cd ChemEquil_gri_pairs; @MAKE@ test
 ifeq ($(test_ck),1)
 	cd ck2cti_test;  @MAKE@ test
 endif
@@ -54,6 +58,8 @@ clean:
 	cd fracCoeff;    @MAKE@ clean
 	cd negATest;     @MAKE@ clean
 	cd diamondSurf;  @MAKE@ clean
+	cd ChemEquil_gri_matrix; @MAKE@ clean
+	cd ChemEquil_gri_pairs; @MAKE@ clean
 	cd ck2cti_test;  @MAKE@ clean
 	cd min_python;   @MAKE@ clean
 	cd python;       @MAKE@ clean
@@ -65,6 +71,8 @@ depends:
 	cd fracCoeff;    @MAKE@ depends
 	cd negATest;     @MAKE@ depends
 	cd diamondSurf;  @MAKE@ depends
+	cd ChemEquil_gri_matrix; @MAKE@ depends
+	cd ChemEquil_gri_pairs; @MAKE@ depends
 ifeq ($(test_ck),1)
 	cd ck2cti_test;  @MAKE@ depends
 endif