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Since Buildroot commit [1] "update to Bootlin toolchains 2025.08-1", the TestMicroPython segfault when testing if micropython can return a non-zero exit code. micropython -c "import sys ; sys.exit(123)" This issue is related to the gcc version used to build micropython (gcc 14 or newer). Using gcc 13 (like Bootlin toolchain 2024.05-1 previously used) micropython run without issue. The issue has been reported upstream [2] and fixed in newer micropython releases [3]. For now, apply a temporary workaround (suggested in the bug report) using -DMICROPY_NLR_SETJMP=1 only for gcc 14 or newer. MICROPY_NLR_SETJMP avoid the architecture specific implementation of nlr_push. Fixes: https://gitlab.com/buildroot.org/buildroot/-/jobs/11176774762 (TestMicroPython) [1]947dbc92a2[2] https://github.com/micropython/micropython/issues/14115 [3]35f3f0a87dSigned-off-by: Romain Naour <romain.naour@smile.fr> Signed-off-by: Julien Olivain <ju.o@free.fr> (cherry picked from commit50bc5aa17b) Signed-off-by: Thomas Perale <thomas.perale@mind.be>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches