Files
Jacob Dahl b4b36a2748 fix(nuttx): unblock multi-board and protected builds (#27360)
* fix(ci): wipe NuttX submodule state between boards in build_all_runner

NuttX .o and lib*.a live in the shared submodule trees under
platforms/nuttx/NuttX/{nuttx,apps}, not in per-board build/<board>/.
NuttX's recursive make doesn't treat PX4's per-board defconfig changes
as a reason to recompile, so consecutive board builds in one workspace
were linking stale objects from an earlier board (e.g. stm32_spi.o from
fmu-v2 linked into fmu-v4pro, which doesn't enable SPI4).

Run git clean -dXf on both NuttX submodules between iterations to drop
gitignored build state. This mirrors what make clean already does for
submodules and preserves the incremental-build wins for single-board
use.

* fix(cmake): isolate kernel mm/libc objects with BINDIR=kbin

mm and libs/libc compile the same sources for both the kernel and user
passes in protected builds. Without separate output dirs the kernel
objects clobber bin/*.o and the user-mode libmm.a/libc.a end up pulling
in kernel-only symbols (nxsem_wait, g_current_regs, nx_read, nx_write,
g_mmheap, ...) at link time. Matches NuttX's own tools/LibTargets.mk.
2026-05-17 16:00:06 -06:00
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