Use C library by default #69
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Don't override the C library implementations of standard interfaces unless the user explicitly selects them. Signed-off-by: Keith Packard <[email protected]>
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Please let's use the custom instead of clib. CLIB crashes for me. Unsure why. Custom with the already existing zephyr provided glue code works perfect. |
Hrm. Can you provide an example which crashes? I'm not sure why any glue code is necessary; we just lvgl to use <stdio.h> directly. |
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Yeah I don't know, maybe it was my mistake, because what you say makes much sense. |
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Turns out this was already fixed in zephyrproject-rtos/zephyr#94073, so this isn't really needed. It seems it just wasn't backported to Zephyr 4.2 yet. |
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The backport was triggered: zephyrproject-rtos/zephyr#97838 |
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Fixes zephyrproject-rtos/zephyr#97737
LVGL provides replacement versions of several standard C library interfaces. That breaks applications which expect a complete implementation of
sprintfand control over themallocheap using standard Zephyr configuration mechanisms among other issues.Change the default configuration behavior to prefer the C library versions of all of these functions, relying on the user to select a suitable C library configuration to fit their needs.