#!/bin/bash
#
# $Header: /u/gcmpack/MITgcm/tools/build_options/darwin_ppc_g77,v 1.8 2010/12/19 22:42:23 jmc Exp $
# $Name:  $

# tested on G4-PowerBook, 1GHz
# cc-compiler is available only with the Apple Developer Tools,
# so make sure that those are installed
# g77 can be optained from FINK: http://fink.sourceforge.net
#

FC=g77
LINK=g77

S64='$(TOOLSDIR)/set64bitConst.sh'
#EH3 MAKEDEPEND='${TOOLSDIR}/xmakedepend'
#EH3 MAKEDEPEND=makedepend
DEFINES='-DWORDLENGTH=4 -DNML_EXTENDED_F77'
CPP='/usr/bin/cpp -traditional -P'

EXTENDED_SRC_FLAG='-ffixed-line-length-132'
GET_FC_VERSION="--version"

INCLUDES='-I/sw/include'
LIBS='-L/sw/lib'

#  For IEEE, use the "-ffloat-store" option
if test "x$IEEE" = x ; then
    FFLAGS='-Wimplicit -Wunused -Wuninitialized'
    FOPTIM='-O3 -funroll-loops'
else
    FFLAGS='-Wimplicit -Wunused -ffloat-store'
    FOPTIM='-O0'
fi
#ifndef REAL4_IS_SLOW
# _RS expands into real*4 and statements such as
# MAX(ABS(aV3d),myNorm) in ini_cg3d.F do not work with 'g77 -O3',
# so we have to lower the optimization level here to -O1;
# not clear why this is so, similar statements do work in ini_cg2d.F
#NOOPTFILES='ini_cg3d.F'
#NOOPTFLAGS='-O1 -funroll-loops'
#else
NOOPTFLAGS=-O0
#endif /* REAL4_IS_SLOW */