diff --git a/recipes/pytrilinos/12.10-fixes.patch b/recipes/pytrilinos/12.10-fixes.patch
new file mode 100644
index 0000000000000..cb63e3a4e353e
--- /dev/null
+++ b/recipes/pytrilinos/12.10-fixes.patch
@@ -0,0 +1,232 @@
+diff -Naur 12.10/packages/PyTrilinos/cmake/PyTrilinosMakeTest.cmake 12.12/packages/PyTrilinos/cmake/PyTrilinosMakeTest.cmake
+--- 12.10/packages/PyTrilinos/cmake/PyTrilinosMakeTest.cmake	2017-07-24 14:05:04.000000000 -0600
++++ 12.12/packages/PyTrilinos/cmake/PyTrilinosMakeTest.cmake	2017-07-24 14:03:18.000000000 -0600
+@@ -44,7 +44,8 @@
+ MACRO(PyTrilinos_MAKE_TEST TEST_NAME)
+ 
+   ADD_CUSTOM_COMMAND(OUTPUT ${TEST_NAME}.py
+-    COMMAND ${CMAKE_BINARY_DIR}/packages/PyTrilinos/util/copyWithCMakeSubstitutions.py
++    COMMAND ${PYTHON_EXECUTABLE}
++            ${CMAKE_BINARY_DIR}/packages/PyTrilinos/util/copyWithCMakeSubstitutions.py
+             ${CMAKE_CURRENT_SOURCE_DIR}/${TEST_NAME}.py.in
+ 	    ${CMAKE_CURRENT_BINARY_DIR}/${TEST_NAME}.py
+     DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${TEST_NAME}.py.in)
+diff -Naur 12.10/packages/PyTrilinos/example/CMakeLists.txt 12.12/packages/PyTrilinos/example/CMakeLists.txt
+--- 12.10/packages/PyTrilinos/example/CMakeLists.txt	2017-07-24 14:05:24.000000000 -0600
++++ 12.12/packages/PyTrilinos/example/CMakeLists.txt	2017-07-24 14:03:46.000000000 -0600
+@@ -47,7 +47,8 @@
+ INCLUDE(PyTrilinosMakeTest)
+ 
+ ADD_CUSTOM_COMMAND(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/testutil.py
+-  COMMAND ${PyTrilinos_BINARY_DIR}/util/copyWithCMakeSubstitutions.py
++  COMMAND ${PYTHON_EXECUTABLE}
++          ${PyTrilinos_BINARY_DIR}/util/copyWithCMakeSubstitutions.py
+           ${CMAKE_CURRENT_SOURCE_DIR}/testutil.py.in
+ 	  ${CMAKE_CURRENT_BINARY_DIR}/testutil.py
+   DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/testutil.py.in)
+@@ -56,7 +57,8 @@
+   DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/testutil.py)
+ 
+ ADD_CUSTOM_COMMAND(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/gre__115.rua
+-  COMMAND ${PyTrilinos_BINARY_DIR}/util/copyWithCMakeSubstitutions.py
++  COMMAND ${PYTHON_EXECUTABLE}
++          ${PyTrilinos_BINARY_DIR}/util/copyWithCMakeSubstitutions.py
+           ${CMAKE_CURRENT_SOURCE_DIR}/gre__115.mx
+ 	  ${CMAKE_CURRENT_BINARY_DIR}/gre__115.rua
+   DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/gre__115.mx)
+diff -Naur 12.10/packages/PyTrilinos/example/exMLAPI_Simple.py.in 12.12/packages/PyTrilinos/example/exMLAPI_Simple.py.in
+--- 12.10/packages/PyTrilinos/example/exMLAPI_Simple.py.in	2017-07-21 12:02:10.000000000 -0600
++++ 12.12/packages/PyTrilinos/example/exMLAPI_Simple.py.in	2017-07-21 12:03:45.000000000 -0600
+@@ -110,6 +110,8 @@
+   Solver.SetAztecOption(AztecOO.AZ_output, 16);
+   err = Solver.Iterate(1550, 1e-5)
+ 
++  Prec.DestroyPreconditioner()
++
+   return err
+ 
+ if __name__ == "__main__":
+diff -Naur 12.10/packages/PyTrilinos/src/pyfragments.swg.in 12.12/packages/PyTrilinos/src/pyfragments.swg.in
+--- 12.10/packages/PyTrilinos/src/pyfragments.swg.in	2017-08-02 11:47:32.000000000 -0600
++++ 12.12/packages/PyTrilinos/src/pyfragments.swg.in	2017-08-02 11:47:55.000000000 -0600
+@@ -127,32 +127,47 @@
+   SWIG_AsVal_dec(long)(PyObject * obj, long * val)
+   {
+     static PyArray_Descr * longDescr = PyArray_DescrNewFromType(NPY_LONG);
+-    if (PyInt_Check(obj)) {
++%#if PY_VERSION_HEX < 0x03000000
++    if (PyInt_Check(obj))
++    {
+       if (val) *val = PyInt_AsLong(obj);
+       return SWIG_OK;
+-    } else if (PyLong_Check(obj)) {
++    } else
++%#endif
++    if (PyLong_Check(obj))
++    {
+       long v = PyLong_AsLong(obj);
+-      if (!PyErr_Occurred()) {
+-	if (val) *val = v;
+-	return SWIG_OK;
+-      } else {
+-	PyErr_Clear();
++      if (!PyErr_Occurred())
++      {
++        if (val) *val = v;
++        return SWIG_OK;
++      }
++      else
++      {
++        PyErr_Clear();
++        return SWIG_OverflowError;
+       }
+     }
+ %#ifdef SWIG_PYTHON_CAST_MODE
+     {
+       int dispatch = 0;
+       long v = PyInt_AsLong(obj);
+-      if (!PyErr_Occurred()) {
++      if (!PyErr_Occurred())
++      {
+ 	if (val) *val = v;
+ 	return SWIG_AddCast(SWIG_OK);
+-      } else {
++      }
++      else
++      {
+ 	PyErr_Clear();
+       }
+-      if (!dispatch) {
++      if (!dispatch)
++      {
+ 	double d;
+ 	int res = SWIG_AddCast(SWIG_AsVal(double)(obj,&d));
+-	if (SWIG_IsOK(res) && SWIG_CanCastAsInteger(&d, LONG_MIN, LONG_MAX)) {
++	if (SWIG_IsOK(res) &&
++            SWIG_CanCastAsInteger(&d, LONG_MIN, LONG_MAX))
++        {
+ 	  if (val) *val = (long)(d);
+ 	  return res;
+ 	}
+@@ -160,7 +175,7 @@
+     }
+ %#endif
+     if (!PyArray_IsScalar(obj,Integer)) return SWIG_TypeError;
+-    PyArray_CastScalarToCtype(obj, (void*)val, longDescr);
++    if (val) PyArray_CastScalarToCtype(obj, (void*)val, longDescr);
+     return SWIG_OK;
+   }
+ }
+@@ -179,37 +194,54 @@
+   SWIG_AsVal_dec(unsigned long)(PyObject *obj, unsigned long *val) 
+   {
+     static PyArray_Descr * ulongDescr = PyArray_DescrNewFromType(NPY_ULONG);
+-    if (PyInt_Check(obj)) {
++%#if PY_VERSION_HEX < 0x03000000
++    if (PyInt_Check(obj))
++    {
+       long v = PyInt_AsLong(obj);
+-      if (v >= 0) {
+-	if (val) *val = v;
+-	return SWIG_OK;
+-      } else {
+-	return SWIG_OverflowError;
++      if (v >= 0)
++      {
++        if (val) *val = v;
++        return SWIG_OK;
++      }
++      else
++      {
++        return SWIG_OverflowError;
+       }
+-    } else if (PyLong_Check(obj)) {
++    } else
++%#endif
++   if (PyLong_Check(obj))
++   {
+       unsigned long v = PyLong_AsUnsignedLong(obj);
+-      if (!PyErr_Occurred()) {
++      if (!PyErr_Occurred())
++      {
+ 	if (val) *val = v;
+ 	return SWIG_OK;
+-      } else {
++      }
++      else
++      {
+ 	PyErr_Clear();
++        return SWIG_OverflowError;
+       }
+     }
+ %#ifdef SWIG_PYTHON_CAST_MODE
+     {
+       int dispatch = 0;
+       unsigned long v = PyLong_AsUnsignedLong(obj);
+-      if (!PyErr_Occurred()) {
++      if (!PyErr_Occurred())
++      {
+ 	if (val) *val = v;
+ 	return SWIG_AddCast(SWIG_OK);
+-      } else {
++      }
++      else
++      {
+ 	PyErr_Clear();
+       }
+-      if (!dispatch) {
++      if (!dispatch)
++      {
+ 	double d;
+ 	int res = SWIG_AddCast(SWIG_AsVal(double)(obj,&d));
+-	if (SWIG_IsOK(res) && SWIG_CanCastAsInteger(&d, 0, ULONG_MAX)) {
++	if (SWIG_IsOK(res) && SWIG_CanCastAsInteger(&d, 0, ULONG_MAX))
++        {
+ 	  if (val) *val = (unsigned long)(d);
+ 	  return res;
+ 	}
+@@ -217,7 +249,7 @@
+     }
+ %#endif
+     if (!PyArray_IsScalar(obj,Integer)) return SWIG_TypeError;
+-    PyArray_CastScalarToCtype(obj, (void*)val, ulongDescr);
++    if (val) PyArray_CastScalarToCtype(obj, (void*)val, ulongDescr);
+     return SWIG_OK;
+   }
+ }
+diff -Naur 12.10/packages/PyTrilinos/src/scripts/CMakeLists.txt 12.12/packages/PyTrilinos/src/scripts/CMakeLists.txt
+--- 12.10/packages/PyTrilinos/src/scripts/CMakeLists.txt	2017-07-24 14:06:07.000000000 -0600
++++ 12.12/packages/PyTrilinos/src/scripts/CMakeLists.txt	2017-07-24 14:04:12.000000000 -0600
+@@ -43,7 +43,8 @@
+ # @HEADER
+ 
+ ADD_CUSTOM_COMMAND(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/testutil.py
+-  COMMAND ${PyTrilinos_BINARY_DIR}/util/copyWithCMakeSubstitutions.py
++  COMMAND ${PYTHON_EXECUTABLE}
++          ${PyTrilinos_BINARY_DIR}/util/copyWithCMakeSubstitutions.py
+           ${CMAKE_CURRENT_SOURCE_DIR}/testutil.py.in
+ 	  ${CMAKE_CURRENT_BINARY_DIR}/testutil.py
+   DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/testutil.py.in)
+@@ -54,7 +55,8 @@
+ MACRO(PyTrilinos_MAKE_SCRIPT SCRIPT_NAME)
+ 
+   ADD_CUSTOM_COMMAND(OUTPUT ${SCRIPT_NAME}.py
+-    COMMAND ${PyTrilinos_BINARY_DIR}/util/copyWithCMakeSubstitutions.py
++    COMMAND ${PYTHON_EXECUTABLE}
++            ${PyTrilinos_BINARY_DIR}/util/copyWithCMakeSubstitutions.py
+             ${CMAKE_CURRENT_SOURCE_DIR}/${SCRIPT_NAME}.py.in
+ 	    ${CMAKE_CURRENT_BINARY_DIR}/${SCRIPT_NAME}.py
+     DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${SCRIPT_NAME}.py.in)
+diff -Naur 12.10/packages/PyTrilinos/test/CMakeLists.txt 12.12/packages/PyTrilinos/test/CMakeLists.txt
+--- 12.10/packages/PyTrilinos/test/CMakeLists.txt	2017-07-24 14:05:41.000000000 -0600
++++ 12.12/packages/PyTrilinos/test/CMakeLists.txt	2017-07-24 14:04:31.000000000 -0600
+@@ -46,7 +46,8 @@
+ INCLUDE(PyTrilinosMakeTest)
+ 
+ ADD_CUSTOM_COMMAND(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/testutil.py
+-  COMMAND ${PyTrilinos_BINARY_DIR}/util/copyWithCMakeSubstitutions.py
++  COMMAND ${PYTHON_EXECUTABLE}
++          ${PyTrilinos_BINARY_DIR}/util/copyWithCMakeSubstitutions.py
+           ${CMAKE_CURRENT_SOURCE_DIR}/testutil.py.in
+ 	  ${CMAKE_CURRENT_BINARY_DIR}/testutil.py
+   DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/testutil.py.in)
diff --git a/recipes/pytrilinos/build.sh b/recipes/pytrilinos/build.sh
new file mode 100644
index 0000000000000..5b1c87f2624d1
--- /dev/null
+++ b/recipes/pytrilinos/build.sh
@@ -0,0 +1,56 @@
+mkdir -p build
+cd build
+
+if [ $(uname) == Darwin ]; then
+    export CXXFLAGS="-stdlib=libc++"
+fi
+
+export MPI_FLAGS=--allow-run-as-root
+
+if [ $(uname) == Linux ]; then
+    export MPI_FLAGS="$MPI_FLAGS;-mca;plm;isolated"
+fi
+
+cmake \
+  -D CMAKE_BUILD_TYPE:STRING=RELEASE \
+  -D CMAKE_INSTALL_PREFIX:PATH=$PREFIX \
+  -D BUILD_SHARED_LIBS:BOOL=ON \
+  -D TPL_ENABLE_MPI:BOOL=ON \
+  -D MPI_BASE_DIR:PATH=$PREFIX \
+  -D MPI_EXEC:FILEPATH=$PREFIX/bin/mpiexec \
+  -D MPI_EXEC_PRE_NUMPROCS_FLAGS:STRING="$MPI_FLAGS" \
+  -D PYTHON_EXECUTABLE:FILEPATH=$PYTHON \
+  -D SWIG_EXECUTABLE:FILEPATH=$PREFIX/bin/swig \
+  -D DOXYGEN_EXECUTABLE:FILEPATH=$PREFIX/bin/doxygen \
+  -D Trilinos_ENABLE_Fortran:BOOL=OFF \
+  -D Trilinos_ENABLE_ALL_PACKAGES:BOOL=OFF \
+  -D Trilinos_ENABLE_ALL_OPTIONAL_PACKAGES:BOOL=OFF \
+  -D Trilinos_ENABLE_TESTS:BOOL=OFF \
+  -D Trilinos_ENABLE_EXAMPLES:BOOL=OFF \
+  -D Trilinos_ENABLE_Epetra:BOOL=ON \
+  -D Trilinos_ENABLE_Triutils:BOOL=ON \
+  -D Trilinos_ENABLE_Tpetra:BOOL=ON \
+  -D Trilinos_ENABLE_EpetraExt:BOOL=ON \
+  -D Trilinos_ENABLE_Domi:BOOL=ON \
+  -D Trilinos_ENABLE_Isorropia:BOOL=OFF \
+  -D Trilinos_ENABLE_Pliris:BOOL=OFF \
+  -D Trilinos_ENABLE_AztecOO:BOOL=ON \
+  -D Trilinos_ENABLE_Galeri:BOOL=ON \
+  -D Trilinos_ENABLE_Amesos:BOOL=ON \
+  -D Trilinos_ENABLE_Ifpack:BOOL=ON \
+  -D Trilinos_ENABLE_Komplex:BOOL=ON \
+  -D Trilinos_ENABLE_ML:BOOL=ON \
+  -D Trilinos_ENABLE_Anasazi:BOOL=ON \
+  -D Trilinos_ENABLE_NOX:BOOL=OFF \
+  -D NOX_ENABLE_LOCA:BOOL=OFF \
+  -D Trilinos_ENABLE_PyTrilinos:BOOL=ON \
+  -D PyTrilinos_ENABLE_TESTS:BOOL=ON \
+  -D PyTrilinos_ENABLE_EXAMPLES:BOOL=ON \
+  -D PyTrilinos_INSTALL_PREFIX:PATH=$PREFIX \
+  $SRC_DIR
+
+make -j $CPU_COUNT
+
+ctest --output-on-failure
+
+make install
diff --git a/recipes/pytrilinos/meta.yaml b/recipes/pytrilinos/meta.yaml
new file mode 100644
index 0000000000000..a2415ae8b380f
--- /dev/null
+++ b/recipes/pytrilinos/meta.yaml
@@ -0,0 +1,66 @@
+{% set name = "PyTrilinos" %}
+{% set version = "12.10.1" %}
+{% set sha256 = "ea8ff573bb1f452f2585950cdabe7e2c84cb35013844c58dc878c66bd4245e06" %}
+
+package:
+  name: {{ name|lower }}
+  version: {{ version }}
+
+source:
+  fn: trilinos-{{ version }}-Source.tar.gz
+  url: http://trilinos.csbsju.edu/download/files/trilinos-{{ version }}-Source.tar.gz
+  sha256: {{ sha256 }}
+  patches:
+    - 12.10-fixes.patch
+
+build:
+  number: 0
+  skip: true  # [win or py3k]
+
+requirements:
+  build:
+    - cmake >=2.8.11
+    - toolchain
+    - openmpi
+    - python
+    - swig 3.0.10
+    - doxygen
+    - numpy 1.7.*
+
+  run:
+    - openmpi
+    - python
+    - numpy >=1.7
+
+test:
+  imports:
+    - PyTrilinos.Teuchos
+    - PyTrilinos.Epetra
+    - PyTrilinos.TriUtils
+    - PyTrilinos.Tpetra
+    - PyTrilinos.EpetraExt
+    - PyTrilinos.Domi
+    - PyTrilinos.AztecOO
+    - PyTrilinos.Galeri
+    - PyTrilinos.Amesos
+    - PyTrilinos.IFPACK
+    - PyTrilinos.Komplex
+    - PyTrilinos.ML
+    - PyTrilinos.Anasazi
+
+about:
+  home: https://trilinos.org
+  license: BSD-3-Clause
+  license_family: BSD
+  license_file: LICENSE
+  summary:
+    Python interfaces to Sandia's suite of HPC solvers and enabling technologies
+  description:
+    Python interfaces to fast, compiled object-oriented algorithms and
+    enabling technologies for the solution of large-scale, complex
+    multi-physics engineering and scientific problems.
+  dev_url: https://github.com/trilinos/Trilinos
+
+extra:
+  recipe-maintainers:
+    - wfspotz
diff --git a/recipes/pytrilinos/yum_requirements.txt b/recipes/pytrilinos/yum_requirements.txt
new file mode 100644
index 0000000000000..e2e262aa9c6b5
--- /dev/null
+++ b/recipes/pytrilinos/yum_requirements.txt
@@ -0,0 +1 @@
+openssh-clients