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new 368469919 testing/cxx-oot-build: Add out-of-tree build test.
368469919 is described below
commit 3684699190d785a48919e293a768c57bc722a942
Author: trns1997 <trns1...@gmail.com>
AuthorDate: Thu Sep 18 13:30:24 2025 +0200
testing/cxx-oot-build: Add out-of-tree build test.
Add the source content for the out-of-tree build test
under `apps/testing/cxx-oot-build`. This supports the
new CI check in NuttX to prevent regressions in the
`make export` workflow.
The test project provides:
* Sample OOT build structure.
* Integration with exported `nuttx-export`.
* Verification of successful build and link.
Signed-off-by: trns1997 <trns1...@gmail.com>
---
testing/cxx-oot-build/.gitignore | 2 +
testing/cxx-oot-build/CMakeLists.txt | 58 ++++++++++++++++++++++++++++
testing/cxx-oot-build/include/HelloWorld.hpp | 35 +++++++++++++++++
testing/cxx-oot-build/src/HelloWorld.cpp | 52 +++++++++++++++++++++++++
testing/cxx-oot-build/src/main.cpp | 36 +++++++++++++++++
5 files changed, 183 insertions(+)
diff --git a/testing/cxx-oot-build/.gitignore b/testing/cxx-oot-build/.gitignore
new file mode 100644
index 000000000..a3391e1ac
--- /dev/null
+++ b/testing/cxx-oot-build/.gitignore
@@ -0,0 +1,2 @@
+build/
+nuttx-export*
diff --git a/testing/cxx-oot-build/CMakeLists.txt
b/testing/cxx-oot-build/CMakeLists.txt
new file mode 100644
index 000000000..d60dc3662
--- /dev/null
+++ b/testing/cxx-oot-build/CMakeLists.txt
@@ -0,0 +1,58 @@
+#
##############################################################################
+# testing/cxx-oot-build/CMakeLists.txt
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
contributor
+# license agreements. See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership. The ASF licenses this
+# file to you 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.
+#
+#
##############################################################################
+
+cmake_minimum_required(VERSION 3.12...3.31)
+
+# --- Guard option ---
+option(BUILD_OOTCPP "Build the Out Of Tree C++ project" OFF)
+
+if(BUILD_OOTCPP)
+ project(
+ OOTCpp
+ VERSION 1.0
+ DESCRIPTION "Out Of Tree Build C++ NuttX")
+
+ message(STATUS "Building OOTCpp project")
+
+ set(CMAKE_CXX_STANDARD 17)
+ set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+ set(SOURCE_FILES ${CMAKE_SOURCE_DIR}/src/HelloWorld.cpp
+ ${CMAKE_SOURCE_DIR}/src/main.cpp)
+
+ set(EXE_NAME oot)
+
+ add_executable(${EXE_NAME} ${SOURCE_FILES})
+
+ target_include_directories(${EXE_NAME} PRIVATE ${CMAKE_SOURCE_DIR}/include)
+
+ # Generate a .bin file from the ELF after build
+ add_custom_command(
+ TARGET ${EXE_NAME}
+ POST_BUILD
+ COMMAND ${CMAKE_OBJCOPY} -S -O binary ${CMAKE_BINARY_DIR}/${EXE_NAME}
+ ${CMAKE_BINARY_DIR}/${EXE_NAME}.bin
+ COMMENT "Generating binary image ${EXE_NAME}.bin")
+
+else()
+ message(STATUS "Skipping OOTCpp project")
+endif()
diff --git a/testing/cxx-oot-build/include/HelloWorld.hpp
b/testing/cxx-oot-build/include/HelloWorld.hpp
new file mode 100644
index 000000000..b973bdd2a
--- /dev/null
+++ b/testing/cxx-oot-build/include/HelloWorld.hpp
@@ -0,0 +1,35 @@
+/****************************************************************************
+ * testing/cxx-oot-build/include/HelloWorld.hpp
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you 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.
+ *
+ ****************************************************************************/
+
+#pragma once
+
+class CHelloWorld
+{
+public:
+ CHelloWorld();
+ ~CHelloWorld() = default;
+
+ bool HelloWorld();
+
+private:
+ int mSecret;
+};
diff --git a/testing/cxx-oot-build/src/HelloWorld.cpp
b/testing/cxx-oot-build/src/HelloWorld.cpp
new file mode 100644
index 000000000..dcd6547da
--- /dev/null
+++ b/testing/cxx-oot-build/src/HelloWorld.cpp
@@ -0,0 +1,52 @@
+/****************************************************************************
+ * testing/cxx-oot-build/src/HelloWorld.cpp
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you 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.
+ *
+ ****************************************************************************/
+
+#include <cstdio>
+#include <string>
+
+#include "HelloWorld.hpp"
+
+CHelloWorld::CHelloWorld()
+{
+ mSecret = 42;
+ std::printf("Constructor: mSecret=%d\n",mSecret);
+}
+
+
+bool CHelloWorld::HelloWorld()
+{
+ std::printf("HelloWorld: mSecret=%d\n",mSecret);
+
+ std::string sentence = "Hello";
+ std::printf("TEST=%s\n",sentence.c_str());
+
+ if (mSecret == 42)
+ {
+ std::printf("CHelloWorld: HelloWorld: Hello, world!\n");
+ return true;
+ }
+ else
+ {
+ std::printf("CHelloWorld: HelloWorld: CONSTRUCTION FAILED!\n");
+ return false;
+ }
+}
diff --git a/testing/cxx-oot-build/src/main.cpp
b/testing/cxx-oot-build/src/main.cpp
new file mode 100644
index 000000000..c3ad2966c
--- /dev/null
+++ b/testing/cxx-oot-build/src/main.cpp
@@ -0,0 +1,36 @@
+/****************************************************************************
+ * testing/cxx-oot-build/src/main.cpp
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you 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.
+ *
+ ****************************************************************************/
+
+#include <memory>
+
+#include "HelloWorld.hpp"
+
+int main(int, char*[])
+{
+ auto pHelloWorld = std::make_shared<CHelloWorld>();
+ pHelloWorld->HelloWorld();
+
+ CHelloWorld helloWorld;
+ helloWorld.HelloWorld();
+
+ return 0;
+}
