#!/usr/bin/env bash

# Build everything, or a subset of everything.
#
# Without any args, build everything for all archs:
#
#     ./build-all
#
# This will build QEMU, gem5, Buildroot, Linux, etc.
# for x86_64, arm and aarch64.
#
# With --archs, build everything for just the given archs:
#
#    ./build-all --archs 'arm aarch64'
#
# Other options make this script build only the given projects. E.g., to build
# just Linux and QEMU for all archs, but not gem5, Buildroot, etc.:
#
#    ./build-all --linux --qemu

set -eu
archs='x86_64 arm aarch64'
baremetal=false
buildroot=false
gem5=false
linux=false
qemu=false
while [ $# -gt 0 ]; do
  case "$1" in
    --archs)
      archs="$2"
      shift 2
      ;;
    --baremetal)
      baremetal=true
      shift
    ;;
    --buildroot)
      buildroot=true
      shift
    ;;
    --gem5)
      gem5=true
      shift
    ;;
    --linux)
      linux=true
      shift
    ;;
    --qemu)
      qemu=true
      shift
    ;;
  esac
done
if ! (
    "$baremetal" || \
    "$buildroot" || \
    "$gem5" || \
    "$linux" || \
    "$qemu"
  )
then
  baremetal=true
  buildroot=true
  gem5=true
  linux=true
  qemu=true
fi
for arch in $archs; do
  if "$qemu"; then
    ./build-qemu --arch "$arch"
  fi
  if "$baremetal" && [ ! "$arch" = x86_64 ]; then
    ./build-crosstool-ng --arch "$arch"
    ./build-baremetal --arch "$arch"
    ./build-baremetal --arch "$arch" --gem5
    ./build-baremetal --arch "$arch" --gem5 --machine RealViewPBX
  fi
  if "$buildroot"; then
    ./build-buildroot --arch "$arch" --gem5 --kernel-modules "$@"
  fi
  if "$gem5"; then
    ./build-gem5 --arch "$arch"
  fi
  if "$linux"; then
    ./build-linux --arch "$arch"
  fi
done