#!/bin/bash
#
#  $Header: /u/gcmpack/MITgcm/tools/build_options/linux_ia32_open64+mth,v 1.5 2010/03/22 22:56:31 ce107 Exp $
#  $Name:  $
#
# Multithreaded tests require
# export OMP_SLAVE_STACK_SIZE=400m
# export OMP_NUM_THREADS=2
#
# Note: use just -O2 optimisation to avoid some wierd problems with -O3
#       on aces (open64/4.1 & 4.2) (ideal_2D_ocean)

CC=opencc
FC=openf90
F90C=openf90
F90FIXEDFORMAT='-fixedform -x f95'
LD=openf90
DEFINES='-DWORDLENGTH=4 -DUSE_OMP_THREADING'
CPP='cpp -traditional -P'
EXTENDED_SRC_FLAG='-extend-source'
MAKEDEPEND=/usr/X11R6/bin/makedepend
NOOPTFLAGS='-O0 -m32 -g -openmp'
# to avoid a bug in ealier version (4.1) of compiler with openMP:
NOOPTFILES='mon_set_iounit.F mon_init.F'

if test "x$DEVEL" != x ; then
    FFLAGS='-m32 -convert big_endian -openmp -ffortran-bounds-check -trapuv -g'
else
    FFLAGS='-m32 -convert big_endian -openmp'
fi

if test "x$IEEE" = x ; then
    #  No need for IEEE-754
    FOPTIM='-O2 -LNO:fusion=2 -OPT:roundoff=1:IEEE_arithmetic=3 -OPT:early_mp=ON' # -funsafe-math-optimizations'
else
    #  Try to follow IEEE-754
    FOPTIM='-O2 -LNO:fusion=2 -OPT:roundoff=0:IEEE_arithmetic=1 -fmath-errno -fno-fast-math -OPT:early_mp=ON'
fi

F90FLAGS=$FFLAGS
F90OPTIM=$FOPTIM
CFLAGS='-O2 -m32 -openmp'
GSLLIB='-lgsl -lgslcblas'

if [ "x$NETCDF_ROOT" != x ] ; then
    INCLUDEDIR="${NETCDF_ROOT}/include"
    INCLUDES="-I${NETCDF_ROOT}/include"
    LIBDIR="${NETCDF_ROOT}/lib"
    LIBS="-L${NETCDF_ROOT}/lib"
elif [ "x$NETCDF_HOME" != x ]; then
    INCLUDEDIR="${NETCDF_HOME}/include"
    INCLUDES="-I${NETCDF_HOME}/include"
    LIBDIR="${NETCDF_HOME}/lib"
    LIBS="-L${NETCDF_HOME}/lib"
elif [ "x$NETCDF_INC" != x -a "x$NETCDF_LIB" != x ]; then
    NETCDF_INC=`echo $NETCDF_INC | sed 's/-I//g'`
    NETCDF_LIB=`echo $NETCDF_LIB | sed 's/-L//g'`
    INCLUDEDIR="${NETCDF_INC}"
    INCLUDES="-I${NETCDF_INC}"
    LIBDIR="${NETCDF_LIB}"
    LIBS="-L${NETCDF_LIB}"
elif [ "x$NETCDF_INCDIR" != x -a "x$NETCDF_LIBDIR" != x ]; then
    INCLUDEDIR="${NETCDF_INCDIR}"
    INCLUDES="-I${NETCDF_INCDIR}"
    LIBDIR="${NETCDF_LIBDIR}"
    LIBS="-L${NETCDF_LIBDIR}"
elif test -d /usr/include/netcdf-3 ; then
    INCLUDES='-I/usr/include/netcdf-3'
    LIBS='-L/usr/lib/netcdf-3 -lnetcdf_g77'
elif test -d /usr/include/netcdf ; then
    INCLUDES='-I/usr/include/netcdf'
elif test -d /usr/local/netcdf ; then
    INCLUDES='-I/usr/local/netcdf/include'
    LIBS='-L/usr/local/netcdf/lib'
elif test -d /usr/local/include/netcdf.inc ; then
    INCLUDES='-I/usr/local/include'
    LIBS='-L/usr/local/lib'
fi

if [ "x$LIBS" != x ] ; then
    LIBS="$LIBS -lstdc++"
else
    LIBS="-lstdc++"
fi
