#!/bin/sh
ROOT=$(pwd)
while [ ! -d $ROOT/.git ]; do
  ROOT=$(dirname $ROOT)
  if [ "$ROOT" == "/" ; then
    echo "could not find root, are you in the git repository?"
    exit
  fi
done

[ -z $BUILD ] && BUILD=Debug
MACHINE=`uname -m`
[ -z "$CC" ] && [ ! -z `which clang` ] && CC="clang"
[ -z "$CC" ] && [ ! -z `which gcc` ] && CC="gcc"
[ -z "$CC" ] && [ ! -z `which tcc` ] && CC="tcc"
[ -z "$CC" ] && [ ! -z `which cc` ] && CC="cc"
BIN_DIR="$ROOT/build-$MACHINE-$CC-$BUILD"
mkdir -p $BIN_DIR
ln -sf $BIN_DIR $BUILD

MACHINE=$(gcc -dumpmachine)
rm -f CMakeCache.txt

# use anything installed in /opt or /usr
LIBRARY_PATH=/opt/lib:/opt/lib/$MACHINE:/usr/lib/$MACHINE
INCLUDE_PATH=/opt/include:/usr/include
PREFIX_PATH=/opt

# I like to put stuff in ~/usr if I don't have permission to install packages on the machine:
if [ -d $HOME/usr ]; then
  LIBRARY_PATH=$HOME/usr/lib:$HOME/usr/lib/$MACHINE:$LIBRARY_PATH
  INCLUDE_PATH=$HOME/usr/include:$HOME/usr/include/$MACHINE:$INCLUDE_PATH
  PREFIX_PATH=$HOME/usr:$HOME/usr/local:$PREFIX_PATH
fi

ARGS=" -DCMAKE_MODULE_PATH=$ROOT/cmake/Modules \
 -DCMAKE_BUILD_TYPE=$BUILD \
 -DCMAKE_LIBRARY_PATH=$LIBRARY_PATH \
 -DCMAKE_INCLUDE_PATH=$INCLUDE_PATH \
 -DCMAKE_PREFIX_PATH=$PREFIX_PATH \
 -DCMAKE_INSTALL_PREFIX=$HOME/eressea/server"

path="$(which tolua)"
if [ "$HAVE_TOLUA" = "0" ] || [ -z $path ] ; then
 echo "tolua is not installed, building from source"
 cd $ROOT/tolua ; make
 ARGS="$ARGS -DPC_TOLUA_DIR=$ROOT/tolua"
else
 echo "tolua is $path"
fi
unset path

set -e

cd $BIN_DIR
cmake .. $ARGS $*
cd $OLDPWD