toaruos/util/build-in-docker.sh

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#!/bin/bash
# Give other users access to /root
# (We probably should have just built the build tools somewhere else...)
chmod o+x /root
# Who owns this directory?
NEWUID=`stat -c '%u' .`
if [[ "$NEWUID" == "0" ]]; then
echo "Are you running this on Docker for Mac? Owner UID is 0, going to use 501 instead."
NEWUID=501
fi
# Create a fake user with this name
useradd -u $NEWUID local
# Map the build tools
ln -s /root/gcc_local util/local
# Run make as local
runuser -u local -- sh -c 'make base/lib/libc.so && make -j4'
# Remove the build tools
rm util/local