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#!/bin/sh
set -ex
hide_output() {
set +x
on_err="
echo ERROR: An error was encountered with the build.
cat /tmp/build.log
exit 1
"
trap "$on_err" ERR
bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
PING_LOOP_PID=$!
"$@" &> /tmp/build.log
trap - ERR
kill $PING_LOOP_PID
rm /tmp/build.log
set -x
}
TAG=$1
shift
# Ancient binutils versions don't understand debug symbols produced by more recent tools.
# Apparently applying `-fPIC` everywhere allows them to link successfully.
export CFLAGS="-fPIC $CFLAGS"
MUSL=musl-1.2.3
# may have been downloaded in a previous run
if [ ! -d $MUSL ]; then
curl https://www.musl-libc.org/releases/$MUSL.tar.gz | tar xzf -
fi
cd $MUSL
./configure --enable-debug --disable-shared --prefix=/musl-$TAG "$@"
if [ "$TAG" = "i586" -o "$TAG" = "i686" ]; then
hide_output make -j$(nproc) AR=ar RANLIB=ranlib
else
hide_output make -j$(nproc)
fi
hide_output make install
hide_output make clean
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