RE: [ROOT] Problem with ROOT_VERSION macro

From: Fons Rademakers (Fons.Rademakers@cern.ch)
Date: Thu Jun 10 2004 - 02:40:14 MEST


Alternatively, but more cryptic you could use:

#include "TObject.h"
// 262146 = 4.00.02
#if ROOT_VERSION_CODE < 262146
typedef double Double32_t;
#endif

which rootcint can parse directly.

Cheers, Fons.



On Wed, 2004-06-09 at 19:03, Philippe Canal wrote:
> Try
>    rootcint -f TTCint.cxx -c -p tt.h
> 
> Cheers,
> Philippe
> 
> -----Original Message-----
> From: owner-roottalk@pcroot.cern.ch
> [mailto:owner-roottalk@pcroot.cern.ch]On Behalf Of Ruben Shahoyan
> Sent: Wednesday, June 09, 2004 1:08 PM
> To: roottalk@cern.ch
> Subject: [ROOT] Problem with ROOT_VERSION macro
> 
> 
> Hello,
> I have problem with creating the dictionary for the class 
> whose definition depends on the root version.
> The simple code like
> 
> //------- header file 
> #include "TObject.h"
> #if ROOT_VERSION_CODE < ROOT_VERSION(4,00,2)
> typedef double Double32_t;
> #endif
> 
> class NaCovMatrix : public TObject {
>  public:
>   NaCovMatrix() {fSize2=0; fElements = 0;}
>   Int_t fSize2; // array size
>   Double32_t*  fElements; //[fSize2] Elements
>   ClassDef(NaCovMatrix,11) //Covariance Matrix Class Double32
> };
> 
> //------- source file 
> #include "tt.h"
> ClassImp(tt)
> 
> leads to following output:
> 
> rootcint -f TTCint.cxx -c tt.h
> Error: Too many '}' FILE:tmpfile LINE:265
> Error: Unexpected EOF G__exec_statement() FILE:tmpfile LINE:266
> Advice: You may need to use +P or -p option
> Error: link requested for unknown class tt FILE:G__auto28287LinkDef.h
> LINE:7
> Warning: Error occured during reading source files
> Warning: Error occured during dictionary source generation
> !!!Removing TTCint.cxx TTCint.h !!!
> Error: rootcint: error loading headers...
> 
> although the gcc does not complain at all.
> 
> Any hints?
> Regards,
> 	Ruben
-- 
Org:    CERN, European Laboratory for Particle Physics.
Mail:   1211 Geneve 23, Switzerland
E-Mail: Fons.Rademakers@cern.ch              Phone: +41 22 7679248
WWW:    http://www.rademakers.org/fons/      Fax:   +41 22 7679480



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