#!/usr/bin/env bash

# build
#	Simple wiringPi build and install script
#
#	Copyright (c) 2012-2015 Gordon Henderson
###############################################################################
# This file is part of wiringPi:
#	A "wiring" library for the Raspberry Pi
#
#    wiringPi is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Lesser General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    wiringPi is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU Lesser General Public License for more details.
#
#    You should have received a copy of the GNU Lesser General Public License
#    along with wiringPi.  If not, see <http://www.gnu.org/licenses/>.
###############################################################################
#
# wiringPi is designed to run on a Raspberry Pi only.
#	However if you're clever enough to actually look at this script to
#	see why it's not building for you, then good luck.
#
#	To everyone else: Stop using cheap alternatives. Support the
#	Raspberry Pi Foundation	as they're the only ones putting money
#	back into education!
###############################################################################

function check_make_ok() {
  if [[ $? -ne 0 ]]; then
    echo
    echo "Make Failed..."
    echo "Please check the messages and fix any problems."
    echo
    exit 1
  fi
}

function doClean() {
  echo
  echo "Cleaning"
  echo
  cd wiringPi
  echo -n "wiringPi:   "	; make clean
  cd ../devLib
  echo -n "DevLib:     "	; make clean
  cd ../gpio
  echo -n "gpio:       "	; make clean
  cd ../examples
  echo -n "Examples:   "	; make clean
  cd Gertboard
  #echo -n "Gertboard:  "	; make clean
  cd ../PiFace
  #echo -n "PiFace:     "	; make clean
  cd ../PiGlow
  #echo -n "PiGlow:     "	; make clean
  cd ../q2w
  #echo -n "Quick2Wire: "	; make clean
  cd ../scrollPhat
  #echo -n "scrollPhat: "	; make clean
  cd ../..
  echo
}

function doUninstall() {
  echo
  echo "Uninstalling"
  echo
  echo "WiringPi library"
  cd wiringPi
  echo -n "wiringPi: " ; sudo make uninstall
  cd ../devLib
  echo -n "DevLib:   " ; sudo make uninstall
  cd ../gpio
  echo -n "gpio:     " ; sudo make uninstall
}

###############################################################################
# Main build script

echo "WiringPi Build script"
echo "========================================"

nargs=$#
while [[ $# -gt 0 ]]; do
  if [[ "$1" == "clean" ]]; then
    doClean
  fi
  if [[ "$1" == "uninstall" ]]; then
    doUninstall
  fi

  shift # next arg!
done

# Targets specified on the command line were processed => Done.
if [[ nargs -ne 0 ]]; then exit; fi

# Default if nothing specified on command line:

echo
echo "WiringPi Library"
cd wiringPi
sudo make uninstall
make -j5
check_make_ok
sudo make install
check_make_ok

echo
echo "WiringPi Devices Library"
cd ../devLib
sudo make uninstall
make -j5
check_make_ok
sudo make install
check_make_ok

echo
echo "GPIO Utility"
cd ../gpio
make -j5
check_make_ok
sudo make install
check_make_ok

# echo
# echo "wiringPi Daemon"
# cd ../wiringPiD
# make -j5
# check_make_ok
# sudo make install
# check_make_ok

# echo
# echo "Examples"
# cd ../examples
# make
# cd ..

echo
echo All Done.
echo ""
echo "NOTE: To compile programs with wiringPi, you need to add:"
echo "    -lwiringPi"
echo "  to your compile line(s) To use the Gertboard, MaxDetect, etc."
echo "  code (the devLib), you need to also add:"
echo "    -lwiringPiDev"
echo "  to your compile line(s)."
echo ""