#!/bin/bash
#
#
# Build options for Fedore Core 4 i686 Pentium4
# tested on ACES, (Linux a54-1727-072 2.6.11.7smp-perfctr-tty #5 SMP Fri Apr 22 15:07:50 EDT 2005 i686 i686 i386 GNU/Linux) system 20071213
#
#  Please note the appropriate module command:
#    module add open64
#
#  Set environment variable 'GSL_IEEE_MODE' if using "-gsl" option:
#   sh,bash:
#    export GSL_IEEE_MODE=double-precision,mask-underflow,mask-denormalized
#  csh/tcsh:
#    setenv GSL_IEEE_MODE double-precision,mask-underflow,mask-denormalized

CC=opencc
FC=openf90
LD=openf90
# due to Pb in version 4.0 of the compiler with option "-byteswapio" (or "-convert big_endian")
# use the MITgcm local version of bytes swapping:
DEFINES='-D_BYTESWAPIO -DWORDLENGTH=4'
#DEFINES='-DWORDLENGTH=4'
CPP='cpp -traditional -P'
MAKEDEPEND=/usr/X11R6/bin/makedepend
GET_FC_VERSION="--version"

NOOPTFLAGS='-O0 -g'
NOOPTFILES='ini_vertical_grid.F'

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

if test "x$IEEE" = x ; then
    #  No need for IEEE-754
    FOPTIM='-O2 -LNO:fusion=2 -OPT:roundoff=1:IEEE_arithmetic=3' # -funsafe-math-optimizations'
else
    # full checking options:
    NOOPTFILES='mds_byteswapr8.F mds_byteswapr4.F mds_byteswapi4.F'
    FFLAGS='-m32 -fPIC -ffortran-bounds-check -trapuv -g'
    #  Try to follow IEEE-754
    FOPTIM='-O0 -LNO:fusion=2 -OPT:roundoff=0:IEEE_arithmetic=1 -fmath-errno -fno-fast-math'
fi

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

LIBS='-L/usr/local/pkg/netcdf/netcdf-3.5.1/g77/lib '
INCLUDES='-I/usr/local/pkg/netcdf/netcdf-3.5.1/g77/include '