#! /usr/bin/env bash

binutils_version=$1
gcc_version=$2
tag="<sh-elf-gcc>"
root=$(pwd)

run_with_guard() {
  out="$1"
  shift 1
  "$@" >$out 2>&1
  if [[ "$?" != 0 ]]; then
    echo "$tag error: build failed, please check $(pwd)/$out o(x_x)o"
    exit 1
  fi
}

# Configure binutils

echo "$tag Configuring binutils..."
cd build-binutils

run_with_guard fxsdk-configure.log \
../binutils-$binutils_version/configure --prefix="$root" --target=sh3eb-elf --with-multilib-list=m3,m4-nofpu --program-prefix=sh-elf- --enable-libssp --enable-lto

# Build binutils

echo "$tag Compiling binutils (can take a couple of minutes)..."

run_with_guard fxsdk-build.log \
make -j$(nproc)

run_with_guard fxsdk-install.log \
make install

cd ..

# Configure GCC

echo "$tag Configuring gcc..."
cd build-gcc

run_with_guard fxsdk-configure.log \
../gcc-$gcc_version/configure --prefix="$root" --target=sh3eb-elf --with-multilib-list=m3,m4-nofpu --enable-languages=c,c++ --without-headers --with-newlib --program-prefix=sh-elf- --enable-libssp --enable-lto

# Build GCC

echo "$tag Compiling gcc (often takes 10-20 minutes)..."

run_with_guard fxsdk-build.log \
make -j$(nproc) all-gcc all-target-libgcc

run_with_guard fxsdk-install.log \
make install-gcc install-target-libgcc

cd ..

# Cleaning up everything

echo "$tag Cleaning up..."

rm -rf binutils-$binutils_version/ build-binutils/
rm -rf gcc-$gcc_version/ build-gcc

strip bin/*