#!/bin/sh

set -eux

REPO="$(realpath "$(dirname "$(realpath "$0")")/../..")"

ARCH='riscv64'
TARGET="$ARCH-elf"

ROOT="$REPO/root"
PATH="$ROOT/bin:$PATH"

if [ -z "$J" ]; then J='1'; fi

cd "$REPO/build/$ARCH/binutils"
"$REPO/src/binutils-2.37/configure" \
  --target="$TARGET"                \
  --prefix="$ROOT"                  \
  --with-sysroot                    \
  --disable-nls                     \
  --disable-werror
make -j"$J"
make install

cd "$REPO/src/linux-5.4.199"
make ARCH="$ARCH" INSTALL_HDR_PATH="$ROOT/$TARGET" headers_install

cd "$REPO/build/$ARCH/gcc"
"$REPO/src/gcc-11.2.0/configure" \
  --target="$TARGET"             \
  --prefix="$ROOT"               \
  --disable-nls                  \
  --enable-languages=c,c++       \
  --without-headers
make -j"$J" all-gcc all-target-libgcc
make install-gcc install-target-libgcc