Modify nanobsd/defaults.sh to reduce buildsize, buildtime and increase imgsize to fit.
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Authored by mr on Apr 18 2025, 10:00 AM.

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imp

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rG235071bd9816: Modify nanobsd/defaults.sh to reduce buildsize, buildtime and

Summary

Not building debug symbols and tests reduces _.w/ from 1465 to 503 MB.
Increasing the mediasize to 6000000 let the image be built.
Otherwise I get:
...
00:33:58 build code slice 00:33:58# log: /usr/obj/nanobsd.full/_.cs

/usr/obj/nanobsd.full/_.mnt: write failed, filesystem is full

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rG FreeBSD src repository

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Build Status

Buildable 63614
Build 60498: arc lint + arc unit

Event Timeline

mr requested review of this revision.Apr 18 2025, 10:00 AM

mr created this revision.

Harbormaster completed remote builds in B63574: Diff 153824.Apr 18 2025, 10:01 AM

Wooof.. 6GB

This revision is now accepted and ready to land.Apr 18 2025, 6:48 PM

What about also adding:

WITHOUT_LIB32=true
WITHOUT_KERNEL_SYMBOLS=true

It should fit with:

NANO_MEDIASIZE=4000000

Reference: https://github.com/freebsd/freebsd-src/pull/964

guest-patmaddox added a subscriber: guest-patmaddox.Apr 18 2025, 9:57 PM

Oh. I like that suggestion

Additionally, if you really wan to keep the NANO_MEDIASIZE unchanged, you can also add WITHOUT_TOOLCHAIN=true.
For self reference, EC2 images are built with:

WITHOUT_DEBUG_FILES=YES
WITHOUT_KERNEL_SYMBOLS=YES
WITHOUT_LIB32=YES
WITHOUT_TESTS=YES
WITHOUT_LLDB=YES

But these options would only fit with 4000000, changing the last option, WITHOUT_LLDB, to the entire WITHOUT_TOOLCHAIN, would make it still fit 2000000. But I don't know where to draw the line when removing things by default for NanoBSD.