build_dtc

#!/bin/bash

export DTC_USE_LLD="OFF";
export DTC_USE_THINLTO="OFF";

# Enable ccache if requested
if ! [ -z "$DTC_USE_CCACHE" ];
then
  export DTC_CCACHE=ON;
else
  export DTC_CCACHE=OFF;
fi;

show_help() {
  echo "Usage: `basename $0` [9.0/10.0] [opt] [lld/thinlto]"
  echo ""
  echo "Example: `basename $0` 10.0 opt thinlto"
  echo "Example2: `basename $0` 10.0 lld"
  echo ""
  echo "Commands:"
  echo "-h  Show this menu."
  echo ""
  echo "--help  Also shows this menu."
  echo ""
  echo "opt  Builds using -march=native -mtune=native."
  echo "     Building with this makes it for your system only."
  echo ""
  echo "lld  Builds using lld as the linker. This enables clang as host toolchain."
  echo ""
  echo "thinlto  Enables thinlto during the build. This enables clang as host toolchain."
  echo "         It also enables lld as the linker and increases build time."
  echo ""
  echo "To enable ccache export DTC_USE_CCACHE=1 before running the script."
  echo ""
  exit 0
}

setup_dtc_build() {
  # Find source root
  export TOOLCHAIN_ROOT="$(dirname "$(pwd)")"

  # Set remote url and sync
  export REMOTE_URL="https://github.com/dragon-tc-tmp"
  $TOOLCHAIN_ROOT/build/bin/common sync;

  # Clean tree
  if [ -d $TOOLCHAIN_ROOT/cmake ];
  then
    $TOOLCHAIN_ROOT/build/bin/common clean;
  fi;

  # Compile DragonTC LLVM/Clang
  $TOOLCHAIN_ROOT/build/bin/common build;
}

# Detect version and setup
if [ "$1" == "9.0" ]; then
  export BRANCH="release_90"
  export DTC_VERSION="9.0";
  export DTC_LIB_VERSION="9.0.0";
elif [ "$1" == "10.0" ]; then
  export BRANCH="release_100"
  export DTC_VERSION="10.0";
  export DTC_LIB_VERSION="10.0.0";
elif [ "$1" == "-h" ]; then
  show_help
elif [ "$1" == "--help" ]; then
  show_help
else
  show_help
fi

# Setup build options
if [ "$2" == "opt" ]; then
  export OPT="-march=native -mtune=native";
elif [ "$2" == "lld" ]; then
  export CC="clang";
  export CXX="clang++";
  export DTC_USE_LLD="ON";
elif [ "$2" == "thinlto" ]; then
  export CC="clang";
  export CXX="clang++";
  export DTC_USE_LLD="ON";
  export DTC_USE_THINLTO="Thin";
fi;

if [ "$3" == "lld" ]; then
  export CC="clang";
  export CXX="clang++";
  export DTC_USE_LLD="ON";
elif [ "$3" == "thinlto" ]; then
  export CC="clang";
  export CXX="clang++";
  export DTC_USE_LLD="ON";
  export DTC_USE_THINLTO="Thin";
fi;

# Setup and build
setup_dtc_build