diff --git a/tests/include/alt-dummy/aes_alt.h b/tests/include/alt-dummy/aes_alt.h
new file mode 100644
index 000000000..f226188fd
--- /dev/null
+++ b/tests/include/alt-dummy/aes_alt.h
@@ -0,0 +1,37 @@
+/* aes_alt.h with dummy types for MBEDTLS_AES_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef AES_ALT_H
+#define AES_ALT_H
+
+typedef struct mbedtls_aes_context
+{
+    int dummy;
+}
+mbedtls_aes_context;
+
+#if defined(MBEDTLS_CIPHER_MODE_XTS)
+
+typedef struct mbedtls_aes_xts_context
+{
+    int dummy;
+} mbedtls_aes_xts_context;
+#endif
+
+
+#endif /* aes_alt.h */
diff --git a/tests/include/alt-dummy/arc4_alt.h b/tests/include/alt-dummy/arc4_alt.h
new file mode 100644
index 000000000..b8c2e86a0
--- /dev/null
+++ b/tests/include/alt-dummy/arc4_alt.h
@@ -0,0 +1,30 @@
+/* arc4_alt.h with dummy types for MBEDTLS_ARC4_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
+#ifndef ARC4_ALT_H
+#define ARC4_ALT_H
+
+typedef struct mbedtls_arc4_context
+{
+    int dummy;
+}
+mbedtls_arc4_context;
+
+
+#endif /* arc4_alt.h */
diff --git a/tests/include/alt-dummy/aria_alt.h b/tests/include/alt-dummy/aria_alt.h
new file mode 100644
index 000000000..5f2335b8f
--- /dev/null
+++ b/tests/include/alt-dummy/aria_alt.h
@@ -0,0 +1,29 @@
+/* aria_alt.h with dummy types for MBEDTLS_ARIA_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef ARIA_ALT_H
+#define ARIA_ALT_H
+
+typedef struct mbedtls_aria_context
+{
+    int dummy;
+}
+mbedtls_aria_context;
+
+
+#endif /* aria_alt.h */
diff --git a/tests/include/alt-dummy/blowfish_alt.h b/tests/include/alt-dummy/blowfish_alt.h
new file mode 100644
index 000000000..5a4f739d5
--- /dev/null
+++ b/tests/include/alt-dummy/blowfish_alt.h
@@ -0,0 +1,29 @@
+/* blowfish_alt.h with dummy types for MBEDTLS_BLOWFISH_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef BLOWFISH_ALT_H
+#define BLOWFISH_ALT_H
+
+typedef struct mbedtls_blowfish_context
+{
+    int dummy;
+}
+mbedtls_blowfish_context;
+
+
+#endif /* blowfish_alt.h */
diff --git a/tests/include/alt-dummy/camellia_alt.h b/tests/include/alt-dummy/camellia_alt.h
new file mode 100644
index 000000000..c23d1b4c0
--- /dev/null
+++ b/tests/include/alt-dummy/camellia_alt.h
@@ -0,0 +1,29 @@
+/* camellia_alt.h with dummy types for MBEDTLS_CAMELLIA_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef CAMELLIA_ALT_H
+#define CAMELLIA_ALT_H
+
+typedef struct mbedtls_camellia_context
+{
+    int dummy;
+}
+mbedtls_camellia_context;
+
+
+#endif /* camellia_alt.h */
diff --git a/tests/include/alt-dummy/ccm_alt.h b/tests/include/alt-dummy/ccm_alt.h
new file mode 100644
index 000000000..dcb834ed6
--- /dev/null
+++ b/tests/include/alt-dummy/ccm_alt.h
@@ -0,0 +1,29 @@
+/* ccm_alt.h with dummy types for MBEDTLS_CCM_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef CCM_ALT_H
+#define CCM_ALT_H
+
+typedef struct mbedtls_ccm_context
+{
+    int dummy;
+}
+mbedtls_ccm_context;
+
+
+#endif /* ccm_alt.h */
diff --git a/tests/include/alt-dummy/chacha20_alt.h b/tests/include/alt-dummy/chacha20_alt.h
new file mode 100644
index 000000000..7a5a25cab
--- /dev/null
+++ b/tests/include/alt-dummy/chacha20_alt.h
@@ -0,0 +1,29 @@
+/* chacha20_alt.h with dummy types for MBEDTLS_CHACHA20_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef CHACHA20_ALT_H
+#define CHACHA20_ALT_H
+
+typedef struct mbedtls_chacha20_context
+{
+    int dummy;
+}
+mbedtls_chacha20_context;
+
+
+#endif /* chacha20_alt.h */
diff --git a/tests/include/alt-dummy/chachapoly_alt.h b/tests/include/alt-dummy/chachapoly_alt.h
new file mode 100644
index 000000000..448517d7d
--- /dev/null
+++ b/tests/include/alt-dummy/chachapoly_alt.h
@@ -0,0 +1,31 @@
+/* chachapoly_alt.h with dummy types for MBEDTLS_CHACHAPOLY_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef CHACHAPOLY_ALT_H
+#define CHACHAPOLY_ALT_H
+
+#include "mbedtls/chacha20.h"
+
+typedef struct mbedtls_chachapoly_context
+{
+    int dummy;
+}
+mbedtls_chachapoly_context;
+
+
+#endif /* chachapoly_alt.h */
diff --git a/tests/include/alt-dummy/cmac_alt.h b/tests/include/alt-dummy/cmac_alt.h
new file mode 100644
index 000000000..4c9feee33
--- /dev/null
+++ b/tests/include/alt-dummy/cmac_alt.h
@@ -0,0 +1,28 @@
+/* cmac_alt.h with dummy types for MBEDTLS_CMAC_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef CMAC_ALT_H
+#define CMAC_ALT_H
+
+struct mbedtls_cmac_context_t
+{
+    int dummy;
+};
+
+
+#endif /* cmac_alt.h */
diff --git a/tests/include/alt-dummy/des_alt.h b/tests/include/alt-dummy/des_alt.h
new file mode 100644
index 000000000..e5a0bd3aa
--- /dev/null
+++ b/tests/include/alt-dummy/des_alt.h
@@ -0,0 +1,36 @@
+/* des_alt.h with dummy types for MBEDTLS_DES_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
+#ifndef DES_ALT_H
+#define DES_ALT_H
+
+typedef struct mbedtls_des_context
+{
+    int dummy;
+}
+mbedtls_des_context;
+
+typedef struct mbedtls_des3_context
+{
+    int dummy;
+}
+mbedtls_des3_context;
+
+
+#endif /* des_alt.h */
diff --git a/tests/include/alt-dummy/dhm_alt.h b/tests/include/alt-dummy/dhm_alt.h
new file mode 100644
index 000000000..6289a41db
--- /dev/null
+++ b/tests/include/alt-dummy/dhm_alt.h
@@ -0,0 +1,29 @@
+/* dhm_alt.h with dummy types for MBEDTLS_DHM_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef DHM_ALT_H
+#define DHM_ALT_H
+
+typedef struct mbedtls_dhm_context
+{
+    int dummy;
+}
+mbedtls_dhm_context;
+
+
+#endif /* dhm_alt.h */
diff --git a/tests/include/alt-dummy/ecjpake_alt.h b/tests/include/alt-dummy/ecjpake_alt.h
new file mode 100644
index 000000000..8de0fcf8e
--- /dev/null
+++ b/tests/include/alt-dummy/ecjpake_alt.h
@@ -0,0 +1,28 @@
+/* ecjpake_alt.h with dummy types for MBEDTLS_ECJPAKE_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef ECJPAKE_ALT_H
+#define ECJPAKE_ALT_H
+
+typedef struct mbedtls_ecjpake_context
+{
+    int dummy;
+} mbedtls_ecjpake_context;
+
+
+#endif /* ecjpake_alt.h */
diff --git a/tests/include/alt-dummy/ecp_alt.h b/tests/include/alt-dummy/ecp_alt.h
new file mode 100644
index 000000000..3628bb3da
--- /dev/null
+++ b/tests/include/alt-dummy/ecp_alt.h
@@ -0,0 +1,39 @@
+/* ecp_alt.h with dummy types for MBEDTLS_ECP_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef ECP_ALT_H
+#define ECP_ALT_H
+
+typedef struct mbedtls_ecp_group
+{
+    int dummy;
+}
+mbedtls_ecp_group;
+
+#if !defined(MBEDTLS_ECP_WINDOW_SIZE)
+
+#define MBEDTLS_ECP_WINDOW_SIZE    6
+#endif
+
+#if !defined(MBEDTLS_ECP_FIXED_POINT_OPTIM)
+
+#define MBEDTLS_ECP_FIXED_POINT_OPTIM  1
+#endif
+
+
+#endif /* ecp_alt.h */
diff --git a/tests/include/alt-dummy/gcm_alt.h b/tests/include/alt-dummy/gcm_alt.h
new file mode 100644
index 000000000..94986ff48
--- /dev/null
+++ b/tests/include/alt-dummy/gcm_alt.h
@@ -0,0 +1,29 @@
+/* gcm_alt.h with dummy types for MBEDTLS_GCM_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef GCM_ALT_H
+#define GCM_ALT_H
+
+typedef struct mbedtls_gcm_context
+{
+    int dummy;
+}
+mbedtls_gcm_context;
+
+
+#endif /* gcm_alt.h */
diff --git a/tests/include/alt-dummy/md2_alt.h b/tests/include/alt-dummy/md2_alt.h
new file mode 100644
index 000000000..70c7f1519
--- /dev/null
+++ b/tests/include/alt-dummy/md2_alt.h
@@ -0,0 +1,30 @@
+/* md2_alt.h with dummy types for MBEDTLS_MD2_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
+#ifndef MD2_ALT_H
+#define MD2_ALT_H
+
+typedef struct mbedtls_md2_context
+{
+    int dummy;
+}
+mbedtls_md2_context;
+
+
+#endif /* md2_alt.h */
diff --git a/tests/include/alt-dummy/md4_alt.h b/tests/include/alt-dummy/md4_alt.h
new file mode 100644
index 000000000..db13f3d8d
--- /dev/null
+++ b/tests/include/alt-dummy/md4_alt.h
@@ -0,0 +1,30 @@
+/* md4_alt.h with dummy types for MBEDTLS_MD4_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
+#ifndef MD4_ALT_H
+#define MD4_ALT_H
+
+typedef struct mbedtls_md4_context
+{
+    int dummy;
+}
+mbedtls_md4_context;
+
+
+#endif /* md4_alt.h */
diff --git a/tests/include/alt-dummy/md5_alt.h b/tests/include/alt-dummy/md5_alt.h
new file mode 100644
index 000000000..c1191479d
--- /dev/null
+++ b/tests/include/alt-dummy/md5_alt.h
@@ -0,0 +1,29 @@
+/* md5_alt.h with dummy types for MBEDTLS_MD5_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef MD5_ALT_H
+#define MD5_ALT_H
+
+typedef struct mbedtls_md5_context
+{
+    int dummy;
+}
+mbedtls_md5_context;
+
+
+#endif /* md5_alt.h */
diff --git a/tests/include/alt-dummy/nist_kw_alt.h b/tests/include/alt-dummy/nist_kw_alt.h
new file mode 100644
index 000000000..8fec116be
--- /dev/null
+++ b/tests/include/alt-dummy/nist_kw_alt.h
@@ -0,0 +1,27 @@
+/* nist_kw_alt.h with dummy types for MBEDTLS_NIST_KW_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef NIST_KW_ALT_H
+#define NIST_KW_ALT_H
+
+typedef struct {
+    int dummy;
+} mbedtls_nist_kw_context;
+
+
+#endif /* nist_kw_alt.h */
diff --git a/tests/include/alt-dummy/platform_alt.h b/tests/include/alt-dummy/platform_alt.h
new file mode 100644
index 000000000..2bf712de7
--- /dev/null
+++ b/tests/include/alt-dummy/platform_alt.h
@@ -0,0 +1,29 @@
+/* platform_alt.h with dummy types for MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef PLATFORM_ALT_H
+#define PLATFORM_ALT_H
+
+typedef struct mbedtls_platform_context
+{
+    int dummy;
+}
+mbedtls_platform_context;
+
+
+#endif /* platform_alt.h */
diff --git a/tests/include/alt-dummy/poly1305_alt.h b/tests/include/alt-dummy/poly1305_alt.h
new file mode 100644
index 000000000..b8c12104a
--- /dev/null
+++ b/tests/include/alt-dummy/poly1305_alt.h
@@ -0,0 +1,29 @@
+/* poly1305_alt.h with dummy types for MBEDTLS_POLY1305_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef POLY1305_ALT_H
+#define POLY1305_ALT_H
+
+typedef struct mbedtls_poly1305_context
+{
+    int dummy;
+}
+mbedtls_poly1305_context;
+
+
+#endif /* poly1305_alt.h */
diff --git a/tests/include/alt-dummy/ripemd160_alt.h b/tests/include/alt-dummy/ripemd160_alt.h
new file mode 100644
index 000000000..722aeeb5d
--- /dev/null
+++ b/tests/include/alt-dummy/ripemd160_alt.h
@@ -0,0 +1,29 @@
+/* ripemd160_alt.h with dummy types for MBEDTLS_RIPEMD160_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef RIPEMD160_ALT_H
+#define RIPEMD160_ALT_H
+
+typedef struct mbedtls_ripemd160_context
+{
+    int dummy;
+}
+mbedtls_ripemd160_context;
+
+
+#endif /* ripemd160_alt.h */
diff --git a/tests/include/alt-dummy/rsa_alt.h b/tests/include/alt-dummy/rsa_alt.h
new file mode 100644
index 000000000..ae80dbaa4
--- /dev/null
+++ b/tests/include/alt-dummy/rsa_alt.h
@@ -0,0 +1,29 @@
+/* rsa_alt.h with dummy types for MBEDTLS_RSA_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef RSA_ALT_H
+#define RSA_ALT_H
+
+typedef struct mbedtls_rsa_context
+{
+    int dummy;
+}
+mbedtls_rsa_context;
+
+
+#endif /* rsa_alt.h */
diff --git a/tests/include/alt-dummy/sha1_alt.h b/tests/include/alt-dummy/sha1_alt.h
new file mode 100644
index 000000000..df2990b5b
--- /dev/null
+++ b/tests/include/alt-dummy/sha1_alt.h
@@ -0,0 +1,29 @@
+/* sha1_alt.h with dummy types for MBEDTLS_SHA1_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef SHA1_ALT_H
+#define SHA1_ALT_H
+
+typedef struct mbedtls_sha1_context
+{
+    int dummy;
+}
+mbedtls_sha1_context;
+
+
+#endif /* sha1_alt.h */
diff --git a/tests/include/alt-dummy/sha256_alt.h b/tests/include/alt-dummy/sha256_alt.h
new file mode 100644
index 000000000..7e501ed91
--- /dev/null
+++ b/tests/include/alt-dummy/sha256_alt.h
@@ -0,0 +1,29 @@
+/* sha256_alt.h with dummy types for MBEDTLS_SHA256_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef SHA256_ALT_H
+#define SHA256_ALT_H
+
+typedef struct mbedtls_sha256_context
+{
+    int dummy;
+}
+mbedtls_sha256_context;
+
+
+#endif /* sha256_alt.h */
diff --git a/tests/include/alt-dummy/sha512_alt.h b/tests/include/alt-dummy/sha512_alt.h
new file mode 100644
index 000000000..45c959923
--- /dev/null
+++ b/tests/include/alt-dummy/sha512_alt.h
@@ -0,0 +1,29 @@
+/* sha512_alt.h with dummy types for MBEDTLS_SHA512_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef SHA512_ALT_H
+#define SHA512_ALT_H
+
+typedef struct mbedtls_sha512_context
+{
+    int dummy;
+}
+mbedtls_sha512_context;
+
+
+#endif /* sha512_alt.h */
diff --git a/tests/include/alt-dummy/timing_alt.h b/tests/include/alt-dummy/timing_alt.h
new file mode 100644
index 000000000..f2da154f1
--- /dev/null
+++ b/tests/include/alt-dummy/timing_alt.h
@@ -0,0 +1,33 @@
+/* timing_alt.h with dummy types for MBEDTLS_TIMING_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef TIMING_ALT_H
+#define TIMING_ALT_H
+
+struct mbedtls_timing_hr_time
+{
+    int dummy;
+};
+
+typedef struct mbedtls_timing_delay_context
+{
+    int dummy;
+} mbedtls_timing_delay_context;
+
+
+#endif /* timing_alt.h */
diff --git a/tests/include/alt-dummy/xtea_alt.h b/tests/include/alt-dummy/xtea_alt.h
new file mode 100644
index 000000000..cb21a3a54
--- /dev/null
+++ b/tests/include/alt-dummy/xtea_alt.h
@@ -0,0 +1,29 @@
+/* xtea_alt.h with dummy types for MBEDTLS_XTEA_ALT */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef XTEA_ALT_H
+#define XTEA_ALT_H
+
+typedef struct mbedtls_xtea_context
+{
+    int dummy;
+}
+mbedtls_xtea_context;
+
+
+#endif /* xtea_alt.h */