To build your AGL project using these templates, you have to install
them within your project and adjust compilation option in `config.cmake`.
For technical reasons, you also have to specify **cmake** target in
-sub CMakeLists.txt installed. Make a globbing search to find source files
-isn't recommended now to handle project build especially in a multiuser
+sub CMakeLists.txt installed. Make a global search to find source files
+isn't recommended now to handle project build especially in a multi-users
project because CMake will not be aware of new or removed source files.
You'll find usage samples here:
Choose between:
- **BINDING**: Shared library that be loaded by the AGL Application Framework
-- **BINDINGV2**: Shared library that be loaded by the AGL Application Framework.
- This has to be accompagnied with a JSON file named like the *${OUTPUT_NAME}-apidef* of
- the target that describe the API with OpenAPI syntax (e.g: *mybinding-apidef*).
- Or you can choose the name by setting the *CACHE* cmake variable *OPENAPI_DEF*
- (***CAUTION***: setting a CACHE variable is needed, or set a normal variable
- with the *PARENT_SCOPE* option to make it visible for the parent scope
- where the target is defined) JSON file will be used to generate header file
- using `afb-genskel` tool.
+- **BINDINGV2**: Shared library that be loaded by the AGL Application Framework
+ This has to be accompanied with a JSON file named like the
+ *${OUTPUT_NAME}-apidef* of the target that describe the API with OpenAPI
+ syntax (e.g: *mybinding-apidef*).
+ Or Alternatively, you can choose the name, without the extension, using macro
+ **set_openapi_filename**. If you use C++, you have to set
+ **PROJECT_LANGUAGES** with *CXX*.
+- **PLUGIN**: Shared library meant to be used as a binding plugin. Binding
+ would load it as a plugin to extend its functionalities. It should be named
+ with a special extension that you choose with SUFFIX cmake target property or
+ it'd be **.ctlso** by default.
- **HTDOCS**: Root directory of a web app. 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**: Entry point of your application executed by the AGL
Application Framework
+- **LIBRARY**: An external 3rd party library bundled with the binding for its
+ own purpose because platform doesn't provide it.
> **TIP** you should use the prefix _afb-_ with your **BINDING* targets which
> stand for **Application Framework Binding**.
```cmake
SET_TARGET_PROPERTIES(${TARGET_NAME}
PREFIX "afb-"
- LABELS "BINDING"
+ LABELS "BINDINGV2"
OUTPUT_NAME "file_output_name"
)
```
| \<root-path\> | - | Path to your project. Hold master CMakeLists.txt and general files of your projects. |
| conf.d | \<root-path\> | Holds needed files to build, install, debug, package an AGL app project |
| app-templates | conf.d | Git submodule to app-templates AGL repository which provides CMake helpers macros library, and build scripts. config.cmake is a copy of config.cmake.sample configured for the projects. SHOULD NOT BE MODIFIED MANUALLY !|
-| autobuild | conf.d | Scripts generated from app-templates to build packages the same way for differents platforms.|
+| autobuild | conf.d | Scripts generated from app-templates to build packages the same way for various platforms.|
| cmake | conf.d | Contains at least config.cmake file modified from the sample provided in app-templates submodule. |
| wgt | conf.d | Contains at least config.xml.in template file modified from the sample provided in app-templates submodule for the needs of project (See config.xml.in.sample file for more details). |
| packaging | conf.d | Contains output files used to build packages. |
file _config.xml.in_ that should work for simple application without
interactions with others bindings.
-It is recommanded that you use the sample one which is more complete. You can
+It is recommended that you use the sample one which is more complete. You can
find it at the same location under the name _config.xml.in.sample_ (stunning
isn't it). Just copy the sample file to your _conf.d/wgt_ directory and name it
_config.xml.in_, then edit it to fit your needs.
Choose between:
- **BINDING**: Shared library that be loaded by the AGL Application Framework
-- **BINDINGV2**: Shared library that be loaded by the AGL Application Framework.
- This has to be accompagnied with a JSON file named like the *${OUTPUT_NAME}-apidef* of
- the target that describe the API with OpenAPI syntax (e.g: *mybinding-apidef*).
- Or you can choose the name by setting the *CACHE* cmake variable *OPENAPI_DEF*
- (***CAUTION***: setting a CACHE variable is needed, or set a normal variable
- with the *PARENT_SCOPE* option to make it visible for the parent scope
- where the target is defined) JSON file will be used to generate header file
- using `afb-genskel` tool.
+- **BINDINGV2**: Shared library that be loaded by the AGL Application Framework
+ This has to be accompagnied with a JSON file named like the
+ *${OUTPUT_NAME}-apidef* of the target that describe the API with OpenAPI
+ syntax (e.g: *mybinding-apidef*).
+ Or Alternatively, you can choose the name, without the extension, using macro
+ **set_openapi_filename**. If you use C++, you have to set
+ **PROJECT_LANGUAGES** with *CXX*.
+- **PLUGIN**: Shared library meant to be used as a binding plugin. Binding
+ would load it as a plugin to extend its functionnalities. It should be named
+ with a special extension that you choose with SUFFIX cmake target property or
+ it'd be **.ctlso** by default.
- **HTDOCS**: Root directory of a web app. 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**: Entry point of your application executed by the AGL
Application Framework
+- **LIBRARY**: An external 3rd party library bundled with the binding for its
+ own purpose because platform doesn't provide it.
> **TIP** you should use the prefix _afb-_ with your **BINDING* targets which
> stand for **Application Framework Binding**.
> targets. This is already handle by template and will be installed in the
> following path : **${CMAKE_INSTALL_PREFIX}/${PROJECT_NAME}**
-## Macro reference
+> **NOTE**: if you want to set and use `rpath` with your target you should use
+> and set the target property `INSTALL_RPATH`.
-### PROJECT_TARGET_ADD
+## Add external 3rd party library
+
+### Build, link and ship external library with the project
+
+You could need to include an external library that isn't shipped in the
+platform. Then you have to bundle the required library in the `lib` widget
+directory.
+
+Templates includes some facilities to help you to do so. Classic way to do so
+is to declare as many CMake ExternalProject as library you need.
+
+An ExternalProject is a special CMake module that let you define how to:
+download, update, patch, configure, build and install an external project. It
+doesn't have to be a CMake project and custom step could be added for special
+needs using ExternalProject step. More informations on CMake [ExternalProject
+documentation site](https://cmake.org/cmake/help/v3.5/module/ExternalProject.html?highlight=externalproject).
+
+Example to include `mxml` library for [unicens2-binding](https://github.com/iotbzh/unicens2-binding)
+project:
+
+```cmake
+set(MXML external-mxml)
+set(MXML_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/mxml)
+ExternalProject_Add(${MXML}
+ GIT_REPOSITORY https://github.com/michaelrsweet/mxml.git
+ GIT_TAG release-2.10
+ SOURCE_DIR ${MXML_SOURCE_DIR}
+ CONFIGURE_COMMAND ./configure --build x86_64 --host aarch64
+ BUILD_COMMAND make libmxml.so.1.5
+ BUILD_IN_SOURCE 1
+ INSTALL_COMMAND ""
+)
+
+PROJECT_TARGET_ADD(mxml)
+
+add_library(${TARGET_NAME} SHARED IMPORTED GLOBAL)
+
+SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES
+ LABELS LIBRARY
+ IMPORTED_LOCATION ${MXML_SOURCE_DIR}/libmxml.so.1
+ INTERFACE_INCLUDE_DIRECTORIES ${MXML_SOURCE_DIR}
+)
+
+add_dependencies(${TARGET_NAME} ${MXML})
+```
+
+Here we define an external project that drive the build of the library then we
+define new CMake target of type **IMPORTED**. Meaning that this target hasn't
+been built using CMake but is available at the location defined in the target
+property *IMPORTED_LOCATION*.
+
+You could want to build the library as *SHARED* or *STATIC* depending on your needs
+and goals. Then you only have to modify the external project configure step and change
+filename used by **IMPORTED** library target defined after external project.
+
+Then target *LABELS* property is set to **LIBRARY** to ship it in the widget.
+
+Unicens project also need some header from this library, so we use the target
+property *INTERFACE_INCLUDE_DIRECTORIES*. Setting that when another target link
+to that imported target, it can access to the include directories.
+
+We bound the target to the external project using a CMake dependency at last.
+
+Then this target could be use like any other CMake target and be linked etc.
+
+### Only link and ship external library with the project
+
+If you already have a binary version of the library that you want to use and you
+can't or don't want to build the library then you only have to add an **IMPORTED**
+library target.
+
+So, taking the above example, `mxml` library inclusion would be:
+
+```cmake
+PROJECT_TARGET_ADD(mxml)
+
+add_library(${TARGET_NAME} SHARED IMPORTED GLOBAL)
+
+SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES
+ LABELS LIBRARY
+ IMPORTED_LOCATION /path/to/library/libmxml.so.1
+ INTERFACE_INCLUDE_DIRECTORIES /path/to/mxml/include/dir
+)
+```
+
+Finally, you can link any other lib or executable target with this imported
+library like any other target.
+
+#### Macro reference
+
+##### PROJECT_TARGET_ADD
Typical usage would be to add the target to your project using macro
`PROJECT_TARGET_ADD` with the name of your target as parameter.
> set with the specificied name. This variable will change at the next call
> to this macros.
-### project_subdirs_add
+##### project_subdirs_add
This macro will search in all subfolder any `CMakeLists.txt` file. If found then
it will be added to your project. This could be use in an hybrid application by
project_subdirs_add("[0-9]-*")
```
-## Advanced customization
+### set_openapi_filename
+
+Used with a target labelized **BINDINGV2** to define the file name, and
+possibly a relative path with the current *CMakeLists.txt*.
+
+If you don't use that macro to specify the name of your definition file
+then the default one will be used, *${OUTPUT_NAME}-apidef* with
+**OUTPUT_NAME** as the [target property].
+
+> **CAUTION** you must only specify the name **WITHOUT** the extension.
+
+```cmake
+set_openapi_filename('binding/mybinding_definition')
+```
+
+[target property]: https://cmake.org/cmake/help/v3.6/prop_tgt/OUTPUT_NAME.html "OUTPUT_NAME property documentation"
+
+### add_input_files
+
+Create custom target dedicated for HTML5 and data resource files. This macro
+provides syntax and schema verification for various languages which are
+about now: LUA, JSON and XML.
+
+You could change the tools used to check files with the following variables:
+
+- XML_CHECKER: set to use **xmllint** provided with major linux distribution.
+- LUA_CHECKER: set to use **luac** provided with major linux distribution.
+- JSON_CHECKER: no tools found at the moment.
+
+```cmake
+add_input_file("${MY_FILES_LIST}")
+```
+
+> **NOTE**: an issue at the check step on a file will stop at the build step.
+
+## Advanced build customization
-### Including additionnals cmake files
+### Including additional cmake files
#### Machine and system custom cmake files
-Advanced tuning is possible using addionnals cmake files that are included
+Advanced tuning is possible using additional cmake files that are included
automatically from some specifics locations. They are included in that order:
-- Project CMake files normaly located in _<project-root-path>/conf.d/app-templates/cmake/cmake.d_
+- Project CMake files normally located in _<project-root-path>/conf.d/app-templates/cmake/cmake.d_
- Home CMake files located in _$HOME/.config/app-templates/cmake.d_
- System CMake files located in _/etc/app-templates/cmake.d_
`common`.
So, saying that you should be aware that every normal cmake variables used at
-project level could be overwrited by home or system located cmake files if
+project level could be overwritten by home or system located cmake files if
variables got the same name. Exceptions are cached variables set using
**CACHE** keyword:
This is meant to personalize the project depending on the OS your are using.
At the end of config.cmake, common.cmake will include lot of cmake file to
-customize project build depending on your plateform. It will detect your OS
+customize project build depending on your platform. It will detect your OS
deducing it from file _/etc/os-release_ now as default in almost all Linux
distribution.
### Include customs templated scripts
-As well as for additionnals cmake files you can include your own templated
+As well as for additional cmake files you can include your own templated
scripts that will be passed to cmake command `configure_file`.
Just create your own script to the following directories: