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src/Makefile.in: explicit chmod after install to preserve setuid bits - #499
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install -m 6755 -o USER -g GROUP silently drops the setuid/setgid bits with rust-coreutils, which Ubuntu 26.04 ships as the default /usr/bin/install. It calls chown after chmod, and Linux clears those bits on chown. Re-applying the mode explicitly makes the build produce working binaries regardless of which install implementation is present. Refs jsuto#490, uutils/coreutils#9134
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install -m 6755 -o USER -g GROUP silently drops the setuid/setgid bits with rust-coreutils, which Ubuntu 26.04 ships as the default /usr/bin/install. It calls chown after chmod, and Linux clears those bits on chown.
Re-applying the mode explicitly makes the build produce working binaries regardless of which install implementation is present.
Refs #490, uutils/coreutils#9134