CMake: developer experience improvements #297
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* bump cmake minimum version to 3.13 and make it possible to use CMP0077: https://cmake.org/cmake/help/git-stage/policy/CMP0077.html * starting with cmake 3.13 the behaviour of option() changed so that any value already set is preserved when the option() statement is reached. Signed-off-by: António Oliveira <[email protected]>
* the install() statement copies all *.h files from the top level dir of the current project, instead of only the lv_drivers headers. This appears to be a typo, as the actual variable that makes sense to refer to the headers in the lv_drivers project files is CMAKE_CURRENT_SOURCE_DIR, so I changed it. * Without this change, calling install on a project which bundles lv_drivers within its source tree, would copy every single .h file in the whole project, which can be nasty, especially with large codebases. Signed-off-by: António Oliveira <[email protected]>
* added the option to set lv_drivers as bundled. If enabled, the install targets are not defined and no lv_drivers headers or objects will be installed, since lv_drivers will be directly linked to any of its dependants. * the default behaviour is preserved. Signed-off-by: António Oliveira <[email protected]>
* if lv_drivers is used with: #define USE_SDL 1 The CMake option LV_DRIVERS_USE_SDL may be set to automatically find libsdl2 and add it to the list of link libraries Signed-off-by: António Oliveira <[email protected]>
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This PR adds some improvements related to developer experience.
The bump to CMake v3.13 enables CMake policy #CMP0077, which makes it easier to define and use configuration variables, especially when bundling lv_drivers from another project.
Other improvements include:
Please feel free to considers these changes as you see fit.
Thanks,
António