forked from blue/lmdbal
103 lines
3.9 KiB
Markdown
103 lines
3.9 KiB
Markdown
# LMDBAL - Lightning Memory Data Base Abstraction Level
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[](https://git.macaw.me/blue/lmdbal/raw/branch/master/LICENSE.md)
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[](https://aur.archlinux.org/packages/lmdbal-qt5/)
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[](https://aur.archlinux.org/packages/lmdbal-qt6/)
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[](https://liberapay.com/macaw.me)
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[](https://macaw.me/lmdbal/doc/html)
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### Prerequisites
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- a c++ compiler (g++ would do)
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- Qt 5 or 6 or higher (qt5-base or qt6-base would do)
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- lmdb
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- CMake 3.16 or higher
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- Doxygen (optional, for documentation)
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- gtest (optional, for tests)
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### Using with CMake
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#### As a system library
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If you're using LMDBAL as a system library you probably have no control over it's build options. The easiest way to include the project is to add following
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```
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find_package(lmdbal)
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if (LMDBAL_FOUND)
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target_include_directories(yourTarget PRIVATE ${LMDBAL_INCLUDE_DIRS})
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target_link_libraries(yourTarget PRIVATE LMDBAL::LMDBAL)
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endif()
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```
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#### As an embeded subproject
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If you're using LMDBAL as a embeded library you might want to control it's build options, for example you can run
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```
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set(BUILD_STATIC ON)
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```
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before including the library in your project. This will set the library to be build in a static mode.
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Then you want to run something like this
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```
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add_subdirectory(pathTo/yourEmbedded/libraries/lmdbal)
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add_library(LMDBAL::LMDBAL ALIAS LMDBAL)
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...
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target_link_libraries(yourTarget PRIVATE LMDBAL::LMDBAL)
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```
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The headers are added as `PUBLIC` so you might not even need to `target_link_libraries` them
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### Building
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LMDBAL uses CMake as a build system.
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Please check the prerequisites and install them before building.
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Here is an easy way to build a project
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```
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$ git clone https://git.macaw.me/blue/lmdbal
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$ cd lmdbal
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$ mkdir build
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$ cd build
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$ cmake .. [ *optional keys* ]
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$ cmake --build .
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$ cmake --install . --prefix install
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```
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This way will create you a `lmdbal/build` directory with temporary files, and `lmdbal/build/install` with all the export files for installation to the system.
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After `cmake ..` you can specify keys to alter the building process. In this context building keys are transfered like so
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```
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cmake .. -D KEY1=VALUE1 -D KEY2=VALUE2 ...
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```
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#### List of keys
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Here is the list of keys you can pass to configuration phase of `cmake ..`:
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- `CMAKE_BUILD_TYPE` - `Debug` just builds showing all warnings, `Release` builds with no warnings and applies optimizations (default is `Debug`);
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- `BUILD_STATIC` - `True` builds project as a static library, `False` builds as dynamic (default is `False`);
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- `BUILD_TESTS` - `True` build unit tests, `False` does not (default is `False`);
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- `BUILD_DOC` - `True` build doxygen documentation, `False` does not (default is `False`);
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- `BUILD_DOXYGEN_AWESOME` - `True` build doxygen awesome theme if `BUILD_DOC` is also `True` (default is `False`);
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- `QT_VERSION_MAJOR` - `5` links against Qt5, `6` links agains Qt6, there is no default, so, if you didn't specify it the project will chose automatically;
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- `LMDBAL_NAME` - `LMDBAL` builds main target with this name, also install path witll be this name lowercase, usefull if you want to build `LMDBAL-QT6` not to conflict with `LMDBAL-QT5`;
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#### Running tests
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If you built the library with `-D BUILD_TESTS=True`, then there will be `lmdbal/build/tests/runUnitTests` executable file. You can simply run it as
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```
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./runUnitTests
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```
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if you're in the same directory with it
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## License
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This project is available under the GPL-3.0 License or any later version. The file [cmake/FindLMDB.cmake](cmake/FindLMDB.cmake) is available under the GPL-3.0 License only, - see the [LICENSE.md](LICENSE.md) file for details
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