diff --git a/var/spack/repos/builtin/packages/ppopen-appl-bem-at/duplicate_defs.patch b/var/spack/repos/builtin/packages/ppopen-appl-bem-at/duplicate_defs.patch
new file mode 100755
index 0000000000..d21d9364e5
--- /dev/null
+++ b/var/spack/repos/builtin/packages/ppopen-appl-bem-at/duplicate_defs.patch
@@ -0,0 +1,13 @@
+diff --git a/framework_with_templates/OAT_bem-bb-fw-dense-0.1.0.f90 b/framework_with_templates/OAT_bem-bb-fw-dense-0.1.0.f90
+index edabbed..16c6a52 100644
+--- a/framework_with_templates/OAT_bem-bb-fw-dense-0.1.0.f90
++++ b/framework_with_templates/OAT_bem-bb-fw-dense-0.1.0.f90
+@@ -1201,8 +1201,6 @@ contains
+     integer  i, j
+ 
+     include "OAT.h"
+-      integer iusw1_ppohBEMresidual_direct
+-      integer iusw1_ppohBEMmatvec_direct
+ 
+     character*100 ctmp 
+ 
diff --git a/var/spack/repos/builtin/packages/ppopen-appl-bem-at/package.py b/var/spack/repos/builtin/packages/ppopen-appl-bem-at/package.py
new file mode 100644
index 0000000000..cba923eeea
--- /dev/null
+++ b/var/spack/repos/builtin/packages/ppopen-appl-bem-at/package.py
@@ -0,0 +1,58 @@
+# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+import os
+
+
+class PpopenApplBemAt(MakefilePackage):
+    """
+    ppOpen-APPL/BEM-AT is ppOpen-APPL/Bem with auto tuning.
+    If you want to use ppOpen-APPL/BERM-AT, please copy files in
+    src/framework_with_template from ppOpen-APPL/BEM install directory.
+    """
+
+    homepage = "http://ppopenhpc.cc.u-tokyo.ac.jp/ppopenhpc/"
+    url = "file://{0}/ppohBEM_AT_0.1.0.tar.gz".format(os.getcwd())
+
+    version('0.1.0', sha256='215034fea7d9f64e6361d8e605e04c7f5d302c87ce048dcd6d146b14d22c17f9')
+    # In OAT_bem-bb-fw-dense-0.1.0.f90 the 2 variables are defined.
+    # But ame variables are already defined in include file DAT.h.
+    # This patch is deleted the variables definitions
+    # in OAT_bem-bb-fw-dense-0.1.0.f90.
+    patch('duplicate_defs.patch', when="@0.1.0")
+
+    depends_on('mpi')
+    depends_on('ppopen-appl-bem', type='run')
+
+    parallel = False
+    build_directory = 'framework_with_templates'
+    build_targets = ['SYSTEM=spack']
+
+    def edit(self, spec, prefix):
+        flags = ['-O3', self.compiler.openmp_flag]
+        fflags = flags[:]
+        if spec.satisfies('%gcc'):
+            fflags.append('-ffree-line-length-none')
+        with open(join_path(self.build_directory, 'Makefile'), 'a') as m:
+            m.write('ifeq ($(SYSTEM),spack)\n')
+            m.write('    CC = {0}\n'.format(spec['mpi'].mpicc))
+            m.write('    F90 = {0}\n'.format(spec['mpi'].mpifc))
+            m.write('    CCFLAGS = {0}\n'.format(' '.join(flags)))
+            m.write('    F90FLAGS = {0}\n'.format(' '.join(fflags)))
+            m.write('    FFLAGS = {0}\n'.format(' '.join(fflags)))
+            m.write('    LDFLAGS = {0}\n'.format(' '.join(flags)))
+            m.write('endif\n')
+
+    def install(self, spec, prefix):
+        install_src_dir = join_path(prefix.src, self.build_directory)
+        mkdir(prefix.bin)
+        mkdirp(install_src_dir)
+        for f in find(self.build_directory, '*.out'):
+            copy(f, prefix.bin)
+        install_src = join_path(prefix.src, self.build_directory)
+        install_tree(self.build_directory, install_src_dir)
+        with working_dir(install_src):
+            make('clean')