#!/bin/bash

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

set -o errtrace
trap 'echo Fatal error: script $0 aborting at line $LINENO, command \"$BASH_COMMAND\" returned $?; exit 1' ERR

gdbserver_version=8.0.1

# Upgrade gdbserver ${gdbserver_version}

function build_gdbserver {
  pushd ${SCRIPT_DIR}

  local readonly arch=${1}
  local readonly abi=${2}
  local readonly name=${arch}-cros-linux-${abi}

  # 5. Install gdbserver ${gdbserver_version}
  wget https://ftp.gnu.org/gnu/gdb/gdb-${gdbserver_version}.tar.gz
  tar -xf gdb-${gdbserver_version}.tar.gz

  # patch the gdb-8.0.1 to pass compilation w/ glibc 2.32
  pushd gdb-${gdbserver_version}
  patch -p1 < ../fix_gdb-8.0.1_glibc-2.32.patch
  popd

  pushd gdb-${gdbserver_version}/gdb/gdbserver
  PATH=`pwd`/../../../${arch}/usr/bin/:$PATH ; ./configure --host=${name} \
    CC=${name}-clang CXX=${name}-clang++ CFLAGS="-stdlib=libc++" LDFLAGS="-stdlib=libc++ --rtlib=compiler-rt"
  make -j50
  popd
  cp gdb-${gdbserver_version}/gdb/gdbserver/gdbserver ${arch}/usr/${arch}-cros-linux-${abi}/usr/bin/gdbserver
  rm -rf gdb-*

  popd # ${SCRIPT_DIR}
}

build_gdbserver armv7a gnueabihf
build_gdbserver aarch64 gnu