Try also GOMAXPROCS=1 ? At some point not too long ago we made that dial
down the concurrency in the compiler (before, it would do concurrent
builds/compiles anyway) and that should reduce the maximum footprint.
On Wednesday, February 22, 2023 at 1:42:56 PM UTC-5 Jan Mercl wrote:
> The subject target is not distributed by the Go team. Attempting to build
> if from sources in a qemu 4GB VM [OpenBSD 7.2 (GENERIC.MP) #404: Tue Sep
> 27 12:54:46 MDT 2022] via
>
> $ GOROOT_BOOTSTRAP=~/go1.19 nohup ./make.bash
>
> produces
>
> Building Go toolchain1 using /home/jnml/go1.19.
> Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1.
> Building Go toolchain2 using go_bootstrap and Go toolchain1.
> # cmd/compile/internal/ssa
> fatal error: runtime: out of memory
>
> runtime stack:
> runtime.throw({0x87b8037, 0x16})
> /home/jnml/goroot/src/runtime/panic.go:1047 +0x4d fp=0xcf7c860c
> sp=0xcf7c85f8 pc=0x80832fd
> runtime.sysMapOS(0x89c00000, 0x400000)
> /home/jnml/goroot/src/runtime/mem_bsd.go:71 +0x144 fp=0xcf7c8638
> sp=0xcf7c860c pc=0x805d764
> runtime.sysMap(0x89c00000, 0x400000, 0x8d4bc10)
> /home/jnml/goroot/src/runtime/mem.go:142 +0x3f fp=0xcf7c8648
> sp=0xcf7c8638 pc=0x805d59f
> runtime.(*mheap).grow(0x8d3e3e0, 0x9)
> /home/jnml/goroot/src/runtime/mheap.go:1459 +0x2b1 fp=0xcf7c869c
> sp=0xcf7c8648 pc=0x8073d51
> runtime.(*mheap).allocSpan(0x8d3e3e0, 0x9, 0x0, 0x78)
> /home/jnml/goroot/src/runtime/mheap.go:1191 +0x2f2 fp=0xcf7c872c
> sp=0xcf7c869c pc=0x8073382
> runtime.(*mheap).alloc.func1()
> /home/jnml/goroot/src/runtime/mheap.go:910 +0x7c fp=0xcf7c8750
> sp=0xcf7c872c pc=0x8072cfc
> runtime.systemstack()
> /home/jnml/goroot/src/runtime/asm_386.s:370 +0x35 fp=0xcf7c8754
> sp=0xcf7c8750 pc=0x80b2305
>
> goroutine 4282 [running]:
> ...
>
> Has anyone successfully built this target from sources and can share how
> to build Go 1.21 for openbsd/386?
>
> Thanks in advance.
>
> -j
>
>
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