Re: [Brahms-dev-l] brat compilation error

Since we do not have the newest compiler I cannot chekc this. I thought it
can to be resolved
just by including the "<iosfwd>" and not the full class def according to the
standard.

/fv
----------------------------------------------------------------
Flemming Videbaek
Physics Department
Brookhaven National Laboratory

e-mail: videbaek@bnl.gov
phone: 631-344-4106
----- Original Message ----- 
From: "trulsml" <trulsml@nbi.dk>
To: "Johnson, Erik B" <ebj@ku.edu>
Cc: "Brahms Dev" <brahms-dev-l@lists.bnl.gov>
Sent: Tuesday, May 10, 2005 2:40 PM
Subject: Re: [Brahms-dev-l] brat compilation error


> hi,
>
> this is an old classic... at least when you are not using the same
> version of the compiler as they do at brookhaven. Change the forward
> declaration (class ostream;) on line 26 in the header file to #include
> ostream. There is usage of an ostream operator in line 84 ... that should
> fix it. I'm not completely sure if this is the best way to solve it, but I
> guess so... newer versions of gcc are more strict than the old ones...
>
> Cheers,
> Truls
>
> *-----------------------------*
> |http://www.nbi.dk/~trulsml  /
> |Truls Martin Larsen        /
> |trulsml@nbi.dk             .
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> *------------------*
>
> On Tue, 10 May 2005, Johnson, Erik B wrote:
>
> > Would the person responsible for this error fix it and commit the
correction to brat.  Thanks. Erik
> >
> >
> > BrDCHitPosition.h:84: `ostream' denotes an ambiguous type
> > BrDCHitPosition.h:26:   first type here
> > /usr/include/c++/3.2.3/iosfwd:61:   other type here
> > BrDCHitPosition.h:84: `ostream' denotes an ambiguous type
> > BrDCHitPosition.h:26:   first type here
> > /usr/include/c++/3.2.3/iosfwd:61:   other type here
> > In file included from BrDetectorTrack.h:42,
> >                  from Include.h:17,
> >                  from data_track_Cint.h:32,
> >                  from data_track_Cint.cxx:16:
> > ../../util/BrVector3D.h:108: `ostream' denotes an ambiguous type
> > BrDCHitPosition.h:26:   first type here
> > /usr/include/c++/3.2.3/iosfwd:61:   other type here
> > ../../util/BrVector3D.h:108: `ostream' denotes an ambiguous type
> > BrDCHitPosition.h:26:   first type here
> > /usr/include/c++/3.2.3/iosfwd:61:   other type here
> > In file included from BrDetectorTrack.h:46,
> >                  from Include.h:17,
> >                  from data_track_Cint.h:32,
> >                  from data_track_Cint.cxx:16:
> > ../../util/BrLine3D.h:50: `ostream' denotes an ambiguous type
> > BrDCHitPosition.h:26:   first type here
> > /usr/include/c++/3.2.3/iosfwd:61:   other type here
> > ../../util/BrLine3D.h:50: `ostream' denotes an ambiguous type
> > BrDCHitPosition.h:26:   first type here
> > /usr/include/c++/3.2.3/iosfwd:61:   other type here
> > ../../util/BrLine3D.h:51: `ostream' denotes an ambiguous type
> > BrDCHitPosition.h:26:   first type here
> > /usr/include/c++/3.2.3/iosfwd:61:   other type here
> > ../../util/BrLine3D.h:51: `ostream' denotes an ambiguous type
> > BrDCHitPosition.h:26:   first type here
> > /usr/include/c++/3.2.3/iosfwd:61:   other type here
> > ../../util/BrLine3D.h:56: `ostream' denotes an ambiguous type
> > BrDCHitPosition.h:26:   first type here
> > /usr/include/c++/3.2.3/iosfwd:61:   other type here
> > ../../util/BrLine3D.h:56: `ostream' denotes an ambiguous type
> > BrDCHitPosition.h:26:   first type here
> > /usr/include/c++/3.2.3/iosfwd:61:   other type here
> > ../../util/BrLine3D.h:57: `ostream' denotes an ambiguous type
> > BrDCHitPosition.h:26:   first type here
> > /usr/include/c++/3.2.3/iosfwd:61:   other type here
> > ../../util/BrLine3D.h:57: `ostream' denotes an ambiguous type
> > BrDCHitPosition.h:26:   first type here
> > /usr/include/c++/3.2.3/iosfwd:61:   other type here
> > In file included from Include.h:17,
> >                  from data_track_Cint.h:32,
> >                  from data_track_Cint.cxx:16:
> > BrDetectorTrack.h:102: `ostream' denotes an ambiguous type
> > BrDCHitPosition.h:26:   first type here
> > /usr/include/c++/3.2.3/iosfwd:61:   other type here
> > BrDetectorTrack.h:102: `ostream' denotes an ambiguous type
> > BrDCHitPosition.h:26:   first type here
> > /usr/include/c++/3.2.3/iosfwd:61:   other type here
> > In file included from Include.h:20,
> >                  from data_track_Cint.h:32,
> >                  from data_track_Cint.cxx:16:
> > BrLocalTrack.h:137: `ostream' denotes an ambiguous type
> > BrDCHitPosition.h:26:   first type here
> > /usr/include/c++/3.2.3/iosfwd:61:   other type here
> > BrLocalTrack.h:137: `ostream' denotes an ambiguous type
> > BrDCHitPosition.h:26:   first type here
> > /usr/include/c++/3.2.3/iosfwd:61:   other type here
> > make[2]: *** [data_track_Cint.lo] Error 1
> > make[2]: Leaving directory `/home/ebj/brat/data/track'
> > make[1]: *** [all-recursive] Error 1
> > make[1]: Leaving directory `/home/ebj/brat/data'
> > make: *** [all-recursive] Error 1
> >
> >
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> >
>
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