#!/bin/bash
#
# Build options for the Sun fortran compiler (with and without MPI)
#            on Linux IA32 platform
# MPI : need to set environment variable MPI_INC_DIR to the include
#       directory of your MPI implementation

if test "x$MPI" = xtrue ; then
  CC=${CC:=mpicc}
  FC=${FC:=mpif77}
  F90C=${F90C:=mpif90}
  LINK=${F90C}
else
  CC='cc'
  FC='f77'
  F90C='f90'
  LINK=${F90C}
fi

FC_NAMEMANGLE="#define FC_NAMEMANGLE(X) X ## _"
DEFINES='-DWORDLENGTH=4'
CPP='cpp  -traditional -P'
EXTENDED_SRC_FLAG='-e'
OMPFLAG='-xopenmp'

NOOPTFLAGS='-O0 -g'
NOOPTFILES=''

FFLAGS="$FFLAGS -m32 -xfilebyteorder=big16:%all -u"
#FFLAGS="$FFLAGS -r8const"

if test "x$DEVEL" != x ; then
    FFLAGS="$FFLAGS -g -xs -C -xcommonchk -xcheck=init_local -fpover"
    OMPFLAG='-xopenmp=noopt'
fi

if test "x$IEEE" = x ; then     #- with optimisation:
    FOPTIM='-fast -xvector=simd -xpad=local'
    LIBS="$LIBS -lmopt"   #- but get overwritten during NETCDF libs setting below
else                            #- no optimisation + IEEE :
#   FOPTIM='-O0'
    FOPTIM='-fast -xpad=local -fsimple=1'
fi

F90FLAGS=$FFLAGS
F90OPTIM=$FOPTIM
CFLAGS='-O0 -m32'

INCLUDEDIRS=''
INCLUDES=''
#LIBS=''

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'
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 [ -n "$MPI_INC_DIR" -a "x$MPI" = xtrue ] ; then
    INCLUDES="$INCLUDES -I$MPI_INC_DIR"
    INCLUDEDIRS="$INCLUDEDIRS $MPI_INC_DIR"
    #- used for parallel (MPI) DIVA
    MPIINCLUDEDIR="$MPI_INC_DIR"
   #MPI_HEADER_FILES=${MPI_HEADER_FILES:='mpif.h mpiof.h'}
fi

