configure

#!/usr/bin/env bash

###########################################
# Lightly adapted from PowerGraph's configure script:
# https://github.com/jegonzal/PowerGraph/blob/a038f975cf2a976abbf4da97eb866b5cad55110c/configure
###########################################


##=============================================================================
## Support code
function download_file {
  # detect wget
  echo "Downloading $2 from $1 ..."
  if [ -z `which wget` ] ; then
    if [ -z `which curl` ] ; then
      echo "Unable to find either curl or wget! Cannot proceed with
            automatic install."
      exit 1
    fi
    curl $1 -o $2
  else
    wget $1 -O $2
  fi
} # end of download file
function print_help {
  echo "Usage: ./configure [--prefix=PREFIX]"
  echo
  echo "  --cleanup           remove all build directories"
  echo
  echo "  --cleanup-quiet     remove all build directories without asking for confirmation"
  echo
  echo "  --release           build for release (should be used for all performance testing)"
  echo
  echo "  --prefix=[PREFIX]   Clipper Installation target directory. Defaults to /usr/local"
  echo
  echo "  --ide=[Xcode]       Specify the ide to use when building Clipper"
  echo
  echo "  --no_tcmalloc       Disable using tcmalloc instead of malloc."
  echo
  echo "  -D var=value        Specify definitions to be passed on to cmake."

  exit 1
} # end of print help
function run_cleanup {
  #!/usr/bin/env bash
  if [ $# -gt 0 -a  "$1" == "-f" ]; then
    echo "Force-removing release and debug folders";
    rm -rf release debug deps config.log
    exit 0
  fi

  echo "This script completely erases all build folders including dependencies!!!"
  echo "Are you sure you want to continue? (yes or no)"
  read yesorno;
  if [ "$yesorno" == "yes" ]; then
    echo "Removing release and debug folders";
    rm -rf release debug deps config.log
  else
    echo "Doing nothing!";
  fi
  exit 0
} # end of run cleanup
function unknown_option {
  echo "Unrecognized option: $1"
  echo "To get help, run ./configure --help"
  exit 1
} # end of unknown option

## Obtained from forum:
# http://stackoverflow.com/questions/4023830/bash-how-compare-two-strings-in-version-format
# Return  0 if version are equal
# Returns 1 if version 1 is larger
# Returns 2 if version 2 is larger
function check_version {
  if [[ $1 == $2 ]]
  then
      return 0
  fi
  local IFS=.
  local i ver1=($1) ver2=($2)
  # fill empty fields in ver1 with zeros
  for ((i=${#ver1[@]}; i<${#ver2[@]}; i++))
  do
      ver1[i]=0
  done
  for ((i=0; i<${#ver1[@]}; i++))
  do
      if [[ -z ${ver2[i]} ]]
      then
          # fill empty fields in ver2 with zeros
          ver2[i]=0
      fi
      if ((10#${ver1[i]} > 10#${ver2[i]}))
      then
          return 1
      fi
      if ((10#${ver1[i]} < 10#${ver2[i]}))
      then
          return 2
      fi
  done
  return 0
}



RELEASE_DIR=release
DEBUG_DIR=debug
BOOST_TEST_HOME=$PWD
DEPS_PREFIX=$PWD/deps/local


# ## The defaults can be overwritten be editing the configure.deps file
# if [ -f configure.deps ]; then
# #  source configure.deps
#   # We delete the configure deps and then recreate it each time using
#   # the original values along with any modifications made by the
#   # configure logic.
#   rm configure.deps
# fi

# Parse command line configure flags ------------------------------------------
while [ $# -gt 0 ]
  do case $1 in
    --help)                 print_help=1 ;;
    --cleanup)              run_cleanup=1 ;;
    --cleanup-quiet)        run_cleanup_quiet=1 ;;
    --no_tcmalloc)          no_tcmalloc=1 ;;
    --release)              release=1 ;;
    --prefix=*)             prefix=${1##--prefix=} ;;
    --ide=*)                ide=${1##--ide=} ;;
    -D)                     CFLAGS="$CFLAGS -D $2"; shift ;;
    *) unknown_option $1 ;;
  esac
  shift
done

if [ $print_help ]; then
  print_help;
fi

if [ $run_cleanup_quiet ]; then
  run_cleanup -f
elif [ $run_cleanup ]; then
  run_cleanup
fi

# Extra generator setting (passed in as an argument)
if [[ -n $ide ]]; then
  GENERATOR="-G $ide"
fi
if [ $no_tcmalloc ]; then
  NO_TCMALLOC=true
fi

if [[ -n $prefix ]]; then
  INSTALL_DIR=$prefix
fi

# If not specified we assume gcc and g++ are the default c and c++
# compilers
if [[ -z $CC ]]; then
  CC=gcc
fi
if [[ -z $CXX ]]; then
  CXX=g++
fi

## Begin logging in config.log
LOG_FILE=config.log
date | tee $LOG_FILE

## ===================================================================
## Setup CMake
# Automatically detect and install a sufficiently new version of
# cmake

## Install cmake
if [ `which cmake` ]; then
  #test cmake version
  echo "Testing existing cmake version..."
  currentversion=`cmake --version | awk -F "patch" '{print $1;}' | tr -dc '[0-9].'`
  echo "Detected $currentversion . Required 3.2.3"
  check_version $currentversion "3.2.3"
  if [ $? -ne 2 ]; then
    echo "CMake version is good"
    CMAKE="cmake"
  fi
fi

# CMake not found and there is a cmake in the deps directory!
if [ -z $CMAKE ] && [ -f $DEPS_PREFIX/bin/cmake ]; then
  #test cmake version
  echo "Testing existing cmake version..."
  currentversion=`$DEPS_PREFIX/bin/cmake --version | awk -F "patch" '{print $1;}' | tr -dc '[0-9].'`
  echo "Detected ${currentversion}. Required 3.2.3"
  check_version $currentversion "3.2.3"
  if [ $? -ne 2 ]; then
    echo "CMake version is good"
    CMAKE=$DEPS_PREFIX/bin/cmake
  fi
fi


if [ -z $CMAKE ]; then
  echo "This script will now proceed to download CMake and set it up in"
  echo "the local clipper/deps directory. The Clipper compilation "
  echo "process will be directed to use graphlab/deps/cmake."
  pushd .
  mkdir deps
  cd deps
  cmakedownload="https://cmake.org/files/v3.6/cmake-3.6.3.tar.gz"
  if [ -z "$cmakedownload" ] ; then
    echo "Unable to locate CMake package. You will have to install it yourself."
    exit 1
  fi
  rm -f cmake.tar.gz
  set -e
  download_file $cmakedownload cmake.tar.gz
  tar -xzvf cmake.tar.gz
  # cd into the extracted directory and install
  cd cmake-*
  ./configure --prefix=$DEPS_PREFIX
  make -j2
  make install
  set +e
  popd
  CMAKE=$DEPS_PREFIX/bin/cmake
fi

mkdir -p deps/local/lib

echo "======================= BUILD CONFIGURATION ========================"
echo "System Information: " | tee -a $LOG_FILE
uname -v | tee -a $LOG_FILE
echo "Compiler Information: " | tee -a $LOG_FILE
$CC --version      | tee -a $LOG_FILE
$CXX --version     | tee -a $LOG_FILE
$CMAKE --version   | tee -a $LOG_FILE

echo "======================= Config File ================================"

# cat configure.deps | tee -a $LOG_FILE

### Add addition config flags =================================================
# CFLAGS="$CFLAGS -D NO_TCMALLOC:BOOL=$NO_TCMALLOC"
# CFLAGS="$CFLAGS -D CMAKE_INSTALL_PREFIX:STRING=$INSTALL_DIR"
## ============================================================================
# Run Cmake


set -e
# set -u
set -o pipefail



if [ $release ];
then

echo -e "\n\n\n======================= Release ========================" \
    | tee -a $LOG_FILE

if [ ! -d $RELEASE_DIR ]; then
    mkdir $RELEASE_DIR
fi
cd $RELEASE_DIR
rm -f CMakeCache.txt
build_cmd="$CMAKE \
    $GENERATOR \
    -D CMAKE_BUILD_TYPE=Release \
    $CFLAGS \
    ../"
echo $build_cmd | tee -a "../$LOG_FILE"
eval $build_cmd | tee -a "../$LOG_FILE"
cd $BOOST_TEST_HOME

else

echo -e "\n\n\n======================= Debug =========================" \
    | tee -a $LOG_FILE

if [ ! -d $DEBUG_DIR ]; then
    mkdir $DEBUG_DIR
fi
cd $DEBUG_DIR
rm -f CMakeCache.txt
build_cmd="$CMAKE \
    $GENERATOR \
    -D CMAKE_BUILD_TYPE=Debug \
    $CFLAGS \
    ../"
echo $build_cmd | tee -a ../$LOG_FILE
eval $build_cmd | tee -a ../$LOG_FILE
cd $BOOST_TEST_HOME

fi

# vim:filetype=sh