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Problem when using boost libraries [message #15597]

Fri, 25 October 2013 14:56

Stanislav Poslavsky
Messages: 9
Registered: October 2013
Location: Protvino

occasional visitor

From: 194.190.166*

Good day.

I'm working under implementation of a custom generator in PandaRoot and would like to use some boost libraries. All ok, when I use boost::random, but, when I simply try to include

#include <boost/date_time/posix_time/posix_time.hpp>

I have a very long stack of compilation errors with a typical line looking as

Error: G__getvariable: expression  /home/stas/distr/pandaroot/external/build//include/boost/config.hpp:23:

Same with other boost libraries, like boost::iostreams etc. After some search with google, I found that problems might arise from incompatibilities of boost and CINT preprocessors.

So, is there any way to use boost libraries inside PandaRoot?

Thanks, Stanislav.

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Re: Problem when using boost libraries [message #15598 is a reply to message #15597]

Fri, 25 October 2013 15:15

Mohammad Al-Turany
Messages: 518
Registered: April 2004
Location: GSI, Germany

first-grade participant

From: *gsi.de

Hi,

in your header file:

#if !defined(__CINT__) || defined(__MAKECINT__)
#include <boost/date_time/posix_time/posix_time.hpp>
#endif

Cheers,

Mohammad

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Re: Problem when using boost libraries [message #15599 is a reply to message #15598]

Fri, 25 October 2013 15:26

Stanislav Poslavsky
Messages: 9
Registered: October 2013
Location: Protvino

occasional visitor

From: 194.190.166*

Thanks!

But what if this condition fails (`__CINT__` is defined and `__MAKECINT__` is not) => #include statement is ignored? How I can use boost libraries in this case?

(I see only one way - compile my library without __CINT__ and make a .so file, then use it as an external complied library - but, I try to find another solution)

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Re: Problem when using boost libraries [message #15600 is a reply to message #15599]

Fri, 25 October 2013 15:36

Mohammad Al-Turany
Messages: 518
Registered: April 2004
Location: GSI, Germany

first-grade participant

From: *gsi.de

These are the only conditions which are used in ROOT when CINT is processing your class or create a dictionary for it. You can also put the boost includes only in your implementation files to avoid this! in any case in the near future will get rid of CINT completely!

Cheers,
Mohammad

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Re: Problem when using boost libraries [message #15601 is a reply to message #15600]

Fri, 25 October 2013 15:41

Stanislav Poslavsky
Messages: 9
Registered: October 2013
Location: Protvino

occasional visitor

From: 194.190.166*

It works! When I put #include only in .cxx all goes fine.

Many thanks,
Stanislav

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