#!/bin/env bash

set -e

PATH=/opt/bootstrap/bin:/opt/toolchain/bin:$PATH

mkdir -p /toolchain/newlib/.build && cd /toolchain/newlib

tar xf /downloads/newlib-$NEWLIB_VERSION.tar.gz

cd .build

LDFLAGS=-mno-red-zone ../newlib-$NEWLIB_VERSION/configure \
  --disable-newlib-fseek-optimization \
  --disable-newlib-io-float           \
  --disable-newlib-supplied-syscalls  \
  --disable-nls                       \
  --disable-werror                    \
  --prefix=/opt/toolchain             \
  --target=$TARGET                    \
  CFLAGS_FOR_TARGET="-mcmodel=kernel -fno-pie"

make -j$(nproc)
make install