[cfarm-users] What are people testing 32-bit builds on?

[Paul H. Hargrove]

On cfarm424 I test the 32-bit ARM ABI/ISAs (`-marm` and `-mthumb`) via :

CC="arm-linux-gnueabihf-gcc"
CXX="arm-linux-gnueabihf-g++"

OR

CC="clang -march=armv7 -target arm-linux-gnueabihf "
CXX="clang++ -march=armv7 -target arm-linux-gnueabihf"

Where both require

LDFLAGS="-Wl,--dynamic-linker,/usr/arm-linux-gnueabihf/lib/ld-linux-armhf.so.3,--disable-new-dtags,-rpath,/usr/arm-linux-gnueabihf/lib"


On my home institution's systems, I've used qemu-system-{arm,ppc,mips} in
the past for 32-bit Linux testing.
With your expressed interest being non-Linux, YMMV to the point of
exceeding your "without spending a ton
of time making it work" threshold.

-Paul

On Thu, May 14, 2026 at 9:52 AM Peter Gutmann via cfarm-users <
cfarm-users at lists.tetaneutral.net> wrote:

> This is more of a general question to the studio audience, but with
> cfarm26/26
> being the last 32-bit machines (AFAIK) what are people using to test 32-bit
> builds on?  I've been looking at possible Y2038 implications now that it's
> getting closer, with Linux (so cfarm26/27) the problem is sidestepped due
> to
> the use of a 64-bit time_t but for other 32-bit OSes it presumably won't
> be.
> What are people testing 32-bit non-Linux+x86 builds on?  I've got some
> older
> SBCs (MIPS, Arm) running old versions of Linux that I keep around, but is
> there anything still sold that's 32-bit Arm (preferably anything but a Pi)
> that I can drop one or more of the BSDs on for testing without spending a
> ton
> of time making it work?  It used to be that you had to go out of your way
> to
> find aarch64 systems to test on, now it's the other way round...
>
> Peter.
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> cfarm-users at lists.tetaneutral.net
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>


-- 
Paul H. Hargrove <PHHargrove at lbl.gov>
Pronouns: he, him, his
Computer Languages & Systems Software (CLaSS) Group
Computer Science Department
Lawrence Berkeley National Laboratory
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