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[Gentoo][ARM64] Compile qtwebengine fail

“ninja: build stopped: subcommand failed”
If system has many CPU cores, compile some package like qtwebengine will fail, seems ninja compile issues.

it better to reduce CPU number under 8, batter number is 4 or 6.

just put MAKEOPTS=”-j 4″ on your /etc/portage/make.conf

It can be roll back after compile qtwebengine.

modify package.env can support special MAKEOPTS command on some packages.

echo "dev-qt/qtwebengine lowcpu.conf" | sudo tee -a /etc/portage/package.env
mkdir -p /etc/portage/env
echo "MAKEOPTS=\"-j4\"" | sudo tee /etc/portage/env/lowcpu.conf

[SOLVED] emerging qtwebengine-5.7.1
Memory problems on QtWebEngine build