#!/bin/bash -x

for f in "$@"; do
    eval "$f"
done
PREFIX=${PREFIX:-/usr/local}

CC_DEFAULT=icc

if which $CC_DEFAULT 2>/dev/null >/dev/null; then
    ## Intel Compiler
    FLAGS=${FLAGS:-"-g -O3 -ip -xTP -no-prec-div -axTP -openmp -parallel -I$PREFIX/include"}
    CC=${CC:-icc}
    FC=${FC:-ifort}
    EXTLIBS=${EXTLIBS:-"-L$PREFIX/lib -lGMRFLib -lgsl -ltaucs -lmetis -L/opt/intel/mkl/9.1/lib/32 -lmkl_lapack -lmkl_ia32 -lguide -lpthread  -lz -L /opt/intel/fc/10.0.023/lib -lifcore -lsvml -lcrypto -lssl -lm"}
    FCEXTRAFLAGS=${FCEXTRAFLAGS:-}
    INLA_FLAGS=${INLA_FLAGS:-"-static"}
else
    ## GNU
    FLAGS=${FLAGS:-"-g -O3 -march=native -mfpmath=sse -msse2 -funroll-loops -ftracer -fopenmp -pipe -I$PREFIX/include"}
    CC=${CC:-gcc}
    FC=${FC:-gfortran}
    EXTLIBS=${EXTLIBS:-"-L$PREFIX/lib -lGMRFLib -lgsl -ltaucs -lmetis -llapack -lblas -lgslcblas -lz -lgfortran -Wl,--whole-archive -lpthread -Wl,--no-whole-archive -lm"}
    FCEXTRAFLAGS=${FCEXTRAFLAGS:-"-fno-second-underscore"}
    INLA_FLAGS=${INLA_FLAGS:-"-static"}
fi


#################


smy_make () {
    $SUDO make CC="$CC" FC="$FC" FLAGS="$FLAGS" EXTLIBS="$EXTLIBS" FCEXTRAFLAGS="$FCEXTRAFLAGS" PREFIX="$PREFIX" "$@" || exit 99
}
my_make () {
    make CC="$CC" FC="$FC" FLAGS="$FLAGS" EXTLIBS="$EXTLIBS" FCEXTRAFLAGS="$FCEXTRAFLAGS" PREFIX="$PREFIX" "$@" || exit 99
}
    
TDIR=${TEMPDIR:-$(echo ~/tmp)}
if [ ! -d $TDIR ]; then
    mkdir -p $TDIR || exit 99
fi

WWWADR=${WWWADR:-http://www.math.ntnu.no/~hrue/GMRFLib}

if [ ! -d $PREFIX ]; then
    mkdir -p $PREFIX || exit 99
fi

if [ -w $PREFIX ]; then
    SUDO=""
else
    SUDO=sudo
fi

cd $TDIR
name=GMRFLib-latest.tgz
wget -O - $WWWADR/$name | tar xvfz -
my_make -C $TDIR/GMRFLib clean
my_make -C $TDIR/GMRFLib depend
my_make -C $TDIR/GMRFLib all
smy_make -C $TDIR/GMRFLib all install

cd $TDIR
FLAGS="$FLAGS $INLA_FLAGS"
name=inla-latest.tgz
wget -O - $WWWADR/$name | tar xvfz -
my_make -C $TDIR/inla clean
my_make -C $TDIR/inla depend
my_make -C $TDIR/inla all
smy_make -C $TDIR/inla all install