#!/bin/sh

P=`basename $0`

SRC="ftp://laplace.physics.ubc.ca/pub"
BUILD=`pwd`
PREFIX=/usr/local

usage() {
cat<<END
usage: $P [-p install-dir] [-b build-dir] package [package]

   Compiles and installs packages from $SRC

   Default install-dir=$PREFIX
   Default build-dir=$BUILD
 
   Assumes invocation from an enviroment where compilation 
   via Intel compilers has been set up. 
END
exit 1
}

warn() {
   echo "$P: $1"
}

die() {
   echo "$P: $1"
   exit 1
}

check_compilers () {
   fatal=false
   if icc -v > /dev/null 2>&1 ; then
      CC="icc"
   else
      warn "Can't execute 'icc'. Are the Intel compilers installed?"
      false=true
   fi
   if ifort -v > /dev/null 2>&1; then
      F77="ifort"
   elif ifc -V > /dev/null 2>&1; then
      F77="ifc"
   else
      warn "Can't execute 'ifc' or 'ifort'. Are the Intel compilers installed?"
      fatal=true
   fi
   $fatal && exit 1
   CXX=$CC
   F90=$F77
   export CC
   export CXX
   export F77
   export F90
}

wget -V > /dev/null 2>&1 || die "Can't execute 'wget'!"

case $# in
0) usage;;
*) ;;
esac

while getopts p:b: c; do
   case $c in
   b) BUILD=$OPTARG;;
   p) PREFIX=$OPTARG;;
   *) usage;;
   esac
done
shift `expr $OPTIND - 1`

test $PREFIX = "." && PREFIX=`pwd`
test $BUILD = "." && BUILD=`pwd`
test -d $PREFIX || mkdir -p $PREFIX 
test -d $BUILD || mkidr -p $BUILD

echo "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
echo "$P: PREFIX=$PREFIX"
echo "$P: BUILD=$BUILD"
echo "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"

check_compilers

CFLAGS='-O3 -tpp7 -axW'
export CFLAGS
CPPFLAGS=' '
export CPPFLAGS
CXXFLAGS=' '
export CXXFLAGS

F77FLAGS='-O3 -tpp7 -axW -w90 -w95 -cm -Vaxlib'
export F77FLAGS
F90FLAGS='-O3 -tpp7 -axW -w90 -w95 -cm -Vaxlib'
export F90FLAGS

RNPL_RNPL=rnpl
export RNPL_RNPL
RNPL_F77="$F77 $F77FLAGS"
export RNPL_F77
RNPL_F77LOAD="$F77 -L$PREFIX/lib $F77LFLAGS $F77FLAGS"
export RNPL_F77LOAD
RNPL_F77PP=touch
export RNPL_F77PP
RNPL_FLIBS="-lrnpl -lvs -lsv"
export RNPL_F77PP

BBH_CHECK_DEFAULTS="NONE"
export BBH_CHECK_DEFAULTS
LIB_PATHS="$PREFIX/lib"
export LIB_PATHS
INCLUDE_PATHS="$PREFIX/include"
export INCLUDE_PATHS
LDFLAGS="-L$PREFIX/lib"
export LDFLAGS

LIBGL=""
export LIBGL

for pack in $*; do
   cd $BUILD
   if [ -d $pack ]; then
      rm -r $pack
   fi
   CMD="wget ${SRC}/${pack}/$pack.tar.gz ."
   $CMD
   if [ -f $pack.tar.gz ]; then
      CMD="tar xzf $pack.tar.gz"
      $CMD
      if [ -d $pack ]; then
         cd $pack
         test $pack = "graxi_bench" && cd graxi
         ./configure --prefix=$PREFIX
         make install
      else
         warn "+++ '$CMD' failed!"
      fi
   else
      warn "+++ '$CMD' failed!"
   fi
done