On Tue, Dec 02, 2025 at 07:49:07PM +0100, Mark Kettenis wrote: > > Date: Tue, 2 Dec 2025 12:24:03 -0600 > > From: Tom Rini <[email protected]> > > Hi Tom, > > > Hey all, > > > > I am wondering if at this point in time, anyone still builds our host > > tools (fw_printenv / fw_getenv, a few others) to run on macOS or > > Windows, natively. > > > > I ask for two reasons. The first of which is that a reason we still have > > to support Azure (despite its slowness) for CI is it's where we have > > macOS and Windows hosts. But at this point in time there's so many ways > > to have Linux userspace running on Windows or macOS that I don't know > > that there's any value to these builds. > > > > The second reason is more macOS specific and is that with: > > > > commit 8fbcc0e0e839a8e25f636c76e59311033d3817b5 > > Author: Marek Vasut <[email protected]> > > Date: Thu Nov 13 12:54:51 2025 +0100 > > > > boot: Assure FDT is always at 8-byte aligned address > > > > The fitImage may contain FDT at 4-byte aligned address, because > > alignment > > of DT tags is 4 bytes. However, libfdt and also Linux expects DT to be > > at > > 8-byte aligned address. Make sure that the DTs embedded in fitImages are > > always used from 8-byte aligned addresses. In case the DT is > > decompressed, > > make sure the target buffer is 8-byte aligned. In case the DT is only > > loaded, make sure the target buffer is 8-byte aligned too. > > > > Signed-off-by: Marek Vasut <[email protected]> > > > > Which does things we must do, we now don't build on macOS. Why? As best > > I can tell (and for a general purpose OS, is a good call), memalign(..) > > doesn't exist and you need to use posix_memalign, a not drop-in > > replacement. We could spend some time reworking the code here for that, > > but for now I've instead gone with this workaround so that CI can > > continue: > > https://lore.kernel.org/u-boot/[email protected]/ > > Are you sure about this? > > The code in boot/image-fdt.c is part of U-Boot itself, not the host > tools. As such it should be irrelevant whether the host OS provides > memalign() or not; U-Boot provides its own implementation.
We use parts of this code as-is (and some other less obvious files) when building host tools. > OpenBSD doesn't have memalign() either. But I can still build the > targets I care about on OpenBSD. > > Or is this about sandbox? Did sandbox ever work on macOS? It's about "tools-only" build target, but also I suspect that if you try the next branch right now it'll also fail and we'll need to figure something out. -- Tom
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