# Step 1. Download GCC and binutils source code
ADACASIO_BINUTILS_URL="https://ftp.gnu.org/gnu/binutils/binutils-2.46.0.tar.gz"
ADACASIO_GCC_URL="https://ftp.gnu.org/gnu/gcc/gcc-15.2.0/gcc-15.2.0.tar.gz"
ADACASIO_PREFIX="$(pwd)/sysroot"

# prepare configure and build enviornment
wget -O binutils.tar.gz $ADACASIO_BINUTILS_URL
wget -O gcc.tar.gz $ADACASIO_GCC_URL
tar -xf binutils.tar.gz
tar -xf gcc.tar.gz

# Step 2. configure GCC and binutils
mkdir build-binutils build-gcc $ADACASIO_PREFIX
cd build-binutils
../binutils-*/configure \
  --prefix="$PREFIX" \
  --target="sh3eb-elf" \
  --with-multilib-list="m3,m4-nofpu" \
  --program-prefix="sh3eb-elf-" \
  --host="native" \
  --disable-nls \
  --disable-multilib \
  --disable-shared \
  --with-sysroot

make -j$(nproc)

cd ../build-gcc
../gcc/configure \
  --enable-languages="ada,c" \
  --without-headers \
  --program-prefix="sh-elf-" \
  --enable-clocale="generic" \
  --enable-libstdcxx-allocator \
  --disable-threads \
  --disable-libstdcxx-verbose \
  --enable-cxx-flags="-fno-exceptions