After testing on the target, static busybox cannot be started, it looks like Cortex M7 (MMU less) cannot run ELF Binaries and need BFLT format:
https://unix.stackexchange.com/questions/610094/kernel-cannot-execute-binaries-error-8 I saw that uClibc was removed and replaced with Musl, can Musl also generate BFLT format binaries ? On Fri, May 12, 2023 at 11:35 AM Ross Burton <[email protected]> wrote: > On 12 May 2023, at 10:24, Ayoub Zaki <[email protected]> wrote: > > > > Ross' suggestion to remove opkg-utils hard coded build dependency on > python solved the issue > > I have some local patches to clean this up, so you never need to build > opkg-utils. > > > but I noticed that there is a similar issue if PACKAGE_CLASSES = > "package_deb" is selected. > > wouldn't it be possible to disable in yocto completely package > management e.g PACKAGE_CLASSES = "” ? > > Images are constructed from packages, so this would be tricky. > > Use package_ipk and you get the leanest package manager. If you don’t > have package-management in IMAGE_FEATURES then you don’t get on-target > tools, which saves building them at all. > > > Another issue I faced since my target is MMU less is that busybox > enforce shared lib build: > > > > > http://cgit.openembedded.org/openembedded-core/tree/meta/recipes-core/busybox/busybox.inc?h=kirkstone#n115 > > > > what is the reason behind this? shouldn't yocto support mmu less target ? > > We don’t have any official MMU-less supported targets. If recipes need to > be cleaned up to support them, then please do send patches. > > Ross
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