Needing help regarding Siso in our company.

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Alex Frick

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Aug 25, 2025, 10:40:34 AM (12 days ago) Aug 25
to Chromium-dev
Hello everyone, I haven't posted in a long time, but I now have a job working at a company that makes a Chromium based browser and Siso is not very stable.

I am blocked from continuing my work today because I can't even build the browser because after running gn args out, it complains that 

build.ninja is missing. Looking in the folder, the MSVS toolchain script runs fine, and it generates the gen dir is there, but the root ninja.build file needed to kick off the build is not there.

I am at a loss, because our args haven't changed. Our source is based on M132 which should still readily be buildable by latest depot_tools since it is still getting LTS updates on ChromiumOS.
Someone who knows more about the Ninja -> Siso migration please help!

anppraveen akki

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Aug 25, 2025, 12:39:30 PM (12 days ago) Aug 25
to alex3...@gmail.com, Chromium-dev
Hi Alex,

If you experience problems,you can revert to Ninja by setting use_siso=false,in your args.gn file.


Thanks & Regards
A N P Praveen

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Junji Watanabe

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Aug 26, 2025, 12:12:03 AM (11 days ago) Aug 26
to anppr...@gmail.com, alex3...@gmail.com, Chromium-dev
Hi Alex, 

> the root ninja.build file needed to kick off the build is not there.

I guess you need `gn gen`? Ninja also requires `build.ninja` to present, too.

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