/[MITgcm]/MITgcm/tools/build_options/darwin_ppc_g77
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revision 1.6 by mlosch, Sat Oct 25 17:13:49 2008 UTC revision 1.7 by jmc, Sun Mar 21 22:22:52 2010 UTC
# Line 1  Line 1 
1  #!/bin/bash  #!/bin/bash
   
 # $Header$  
2  #  #
3    # $Header$
4    # $Name$
5    
6  # tested on G4-PowerBook, 1GHz  # tested on G4-PowerBook, 1GHz
7  # cc-compiler is available only with the Apple Developer Tools,  # cc-compiler is available only with the Apple Developer Tools,
8  # so make sure that those are installed  # so make sure that those are installed
9  # g77 can be optained from FINK: http://fink.sourceforge.net  # g77 can be optained from FINK: http://fink.sourceforge.net
10  #  #
11    
# Line 28  else Line 29  else
29      FOPTIM='-O0'      FOPTIM='-O0'
30  fi  fi
31  #ifndef REAL4_IS_SLOW  #ifndef REAL4_IS_SLOW
32  # _RS expands into real*4 and statements such as  # _RS expands into real*4 and statements such as
33  # MAX(ABS(aV3d),myNorm) in ini_cg3d.F do not work with 'g77 -O3',  # MAX(ABS(aV3d),myNorm) in ini_cg3d.F do not work with 'g77 -O3',
34  # so we have to lower the optimization level here to -O1;  # so we have to lower the optimization level here to -O1;
35  # not clear why this is so, similar statements do work in ini_cg2d.F  # not clear why this is so, similar statements do work in ini_cg2d.F
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