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authorScott Rifenbark <srifenbark@gmail.com>2019-03-19 11:59:52 -0600
committerScott Rifenbark <srifenbark@gmail.com>2019-03-26 13:00:16 -0700
commit16829a33f77f9d9eda435f5f1c36f36bc33fb267 (patch)
treedd1f36dc54d7d4d18241f8cf051f7ac639b1f4f5 /docs/dev_guide/2-configuring-cmake.md
parenta6daa45c47f553b9ff6a1120f48a322f4e834363 (diff)
cmake-apps-module: New file names.
Created some new file names based on some re-writing. Also, updated the devguides-book.yml file to reflect the state of things. Change-Id: I6a9a91fe9c2f271493404ab7d63b6d6a8faf586e Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
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+# Configuring CMake Templates
+
+Configuration consists of editing the `config.cmake` file for your
+specific project.
+
+## Creating Your `config.cmake` File
+
+First, you need to create a `confd/cmake` file in your CMake project
+directory.
+
+```bash
+mkdir -p conf.d/cmake
+```
+
+Next, use one of the following commands to copy a `cmake.sample` file to
+your `config.cmake` file.
+The first command applies if you have the SDK installed, while the
+second command applies if you installed the modules on your native Linux system.
+
+**NOTE:** The `OECORE_NATIVE_SYSROOT` variable is defined once you have
+a project folder, the AGL SDK source files, and the CMake modules installed.
+
+```bash
+mkdir -p conf.d/cmake
+# From the SDK sysroot >= RC2 of the 7.0.0 Guppy release
+cp ${OECORE_NATIVE_SYSROOT}/usr/share/doc/CMakeAfbTemplates/samples.d/config.cmake.sample conf.d/cmake/config.cmake
+# From a native installation
+cp /usr/share/doc/CMakeAfbTemplates/samples.d/config.cmake.sample conf.d/cmake/config.cmake
+```
+
+Once you have created your `config.cmake` file, you need to make the changes
+specific to your project.
+
+## Creating Your `CMakeLists.txt` File
+
+To create this file, use the example in the **cmake module**.
+Use one of the following two commands to create your file.
+The first command applies if you have the SDK installed, while the
+second command applies if you installed the modules on your native Linux system.
+
+**NOTE:** The `OECORE_NATIVE_SYSROOT` variable is defined once you have
+a project folder, the AGL SDK source files, and the CMake modules installed.
+
+```bash
+# From the SDK sysroot >= RC2 of the 7.0.0 Guppy release
+cp ${OECORE_NATIVE_SYSROOT}/usr/share/doc/CMakeAfbTemplates/samples.d/CMakeLists.txt.sample CMakeLists.txt
+# From a native installation
+cp /usr/share/doc/CMakeAfbTemplates/samples.d/CMakeLists.txt.sample CMakeLists.txt
+```
+
+## Creating Your CMake Targets
+
+Creating a CMake target is the result of editing your `CMakeLists.txt` file.
+
+For each target that is part of your project, you need to use the
+***PROJECT_TARGET_ADD*** statement.
+Using this statement includes the target in your project.
+
+Using the ***PROJECT_TARGET_ADD*** statement makes the CMake ***TARGET_NAME***
+variable available until the next ***PROJECT_TARGET_ADD*** statement is
+encountered that uses a new target name.
+
+Following is typical use within the `CMakeLists.txt` file to create a target:
+
+```cmake
+PROJECT_TARGET_ADD(target_name) --> Adds *target_name* to the project.
+*target_name* is a sub-folder in the CMake project.
+
+add_executable/add_library(${TARGET_NAME}.... --> Defines the target sources.
+
+SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES.... --> Configures the target properties
+so they can be used by macros.
+
+INSTALL(TARGETS ${TARGET_NAME}....
+```
+
+## Target Properties
+
+Target properties are used to determine the nature of the
+target and where the target is stored within the package being built.
+
+Use the **LABELS** property to specify the target type that you want
+included in the widget package.
+You can choose the following target types:
+
+Choose between:
+
+- **BINDING**: A shared library loaded by the AGL Application Framework.
+- **BINDINGV2**: A shared library loaded by the AGL Application Framework.
+ This library must be accompanied by a JSON file named similar to the
+ *${OUTPUT_NAME}-apidef* of the target, which describes the API with OpenAPI
+ syntax (e.g: *mybinding-apidef*).
+ Alternatively, you can choose the name without the extension using the
+ **set_openapi_filename** macro.
+ If you use C++, you must set **PROJECT_LANGUAGES** through *CXX*.
+- **BINDINGV3**: A shared library loaded by the AGL Application Framework.
+ This library must be accompanied by a JSON file named similar to the
+ *${OUTPUT_NAME}-apidef* of the target, which describes the API with OpenAPI
+ syntax (e.g: *mybinding-apidef*).
+ Alternatively, you can choose the name without the extension using the
+ **set_openapi_filename** macro.
+ If you use C++, you must set **PROJECT_LANGUAGES** through *CXX*.
+- **PLUGIN**: A shared library meant to be used as a binding plugin, which
+ would load the library as a plugin consequently extending its
+ functionalities.
+ You should name the binding using a special extension that you choose
+ with `SUFFIX cmake target property`.
+ If you do not use the special extension, it defaults to **.ctlso**.
+- **HTDOCS**: The root directory of a web application.
+ This target has to build its directory and puts its files in the
+ **${CMAKE_CURRENT_BINARY_DIR}/${TARGET_NAME}**.
+- **DATA**: Resources used by your application.
+ This target has to build its directory and puts its files in the
+ **${CMAKE_CURRENT_BINARY_DIR}/${TARGET_NAME}**.
+- **EXECUTABLE**: The entry point of your application executed by the AGL
+ Application Framework.
+- **LIBRARY**: An external third-party library bundled with the binding.
+ The library is bundled in this manner because the platform does not
+ provide bundling.
+- **BINDING-CONFIG**: Any files used as configuration by your binding.
+
+**TIP:** you should use the prefix _afb-_ (**Application Framework Binding**)
+with your *BINDING* targets.
+
+Following is an example that uses the **BINDINGV3** property:
+
+```cmake
+SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES
+ PREFIX "afb-"
+ LABELS "BINDINGV3"
+ OUTPUT_NAME "file_output_name")
+```
+
+**CAUTION**: You do not need to specify an **INSTALL** command for these
+targets.
+Installation is performed by the template.
+Targets are installed in the **${CMAKE_INSTALL_PREFIX}/${PROJECT_NAME}**
+directory.