Cross-compilation amd64→arm64 fails: Error: Undeclared name: MINSIGSTKSZ

[yurivict]

Context

Please provide any relevant information about your setup. This is important in case the issue is not reproducible except for under certain conditions.

• Operating System & Odin Version: FreeBSD 14.2 amd64, odin-2025-02
• Please paste odin report output:

$ odin report
Where to find more information and get into contact when you encounter a bug:

        Website: https://odin-lang.org
        GitHub:  https://github.com/odin-lang/Odin/issues


Useful information to add to a bug report:

        Odin:    dev-2025-02
        OS:      FreeBSD 14.2-STABLE stable/14-n269951-705337455f06 GENERIC, revision 199506
        CPU:     Intel(R) Core(TM) i7 CPU         930  @ 2.80GHz
        RAM:     24525 MiB
        Backend: LLVM 19.1.7

Current Behavior

Simple program from the Odin webpage fails to be cross-compiled:

$ odin build test.odin -file -target:freebsd_arm64
/usr/local/lib/odin/core/sys/posix/limits.odin(199:35) Error: Undeclared name: MINSIGSTKSZ 
        PTHREAD_STACK_MIN             :: MINSIGSTKSZ 
                                         ^~~~~~~~~~^ 
 
/usr/local/lib/odin/core/sys/posix/signal.odin(574:14) Error: Undeclared name: MINSIGSTKSZ 
        SIGSTKSZ :: MINSIGSTKSZ + 32768 
                    ^~~~~~~~~~^