Add note about enabling source repos on Ubuntu 24.04+#264
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On Ubuntu Noble and later, source repositories are not enabled by default. Users need to edit /etc/apt/sources.list.d/ubuntu.sources to add deb-src before apt-rdepends and build-dep commands will work. Closes r-devel#261 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
llrs
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Mar 29, 2026
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Thanks for checking this! Maybe a line explaining the message users might get would make it even more helpful. Could you add it? Then I'll merge it.
Probably unrelated but after following these steps I get a somewhat confusing message (might be related to me not using ubuntu directly but a downstream distribution):
sudo apt-get build-dep r-base-dev
Reading package lists... Done
Picking 'r-base' as source package instead of 'r-base-dev'
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@llrs it make sense when you step back and look at the debian/control file which has followed by all the package names, including |
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Thanks - added a little more context here now @llrs |
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Summary
On Ubuntu Noble and later, source repositories are not enabled by default. Users need to edit /etc/apt/sources.list.d/ubuntu.sources to add deb-src before apt-rdepends and build-dep commands will work. Instructions added in this PR.
Fixes #261
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