[Ns-bugs] [Bug 201] New: header files in NS-3 conflicting with those in external library

[bugzilla-daemon@nsnam-www.ece.gatech.edu]

http://www.nsnam.org/bugzilla/show_bug.cgi?id=201

           Summary: header files in NS-3 conflicting with those in external
                    library
           Product: ns-3
           Version: pre-release
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: api
          Severity: major
          Priority: P3
         Component: node module
        AssignedTo: ns-bugs at isi.edu
        ReportedBy: jahanzeb.farooq at sophia.inria.fr
                CC: mathieu.lacage at sophia.inria.fr


I am working on WiMAX module for NS-3. I am using an external library IT++ for
OFDM PHY layer operations. I identified the problem when I tried to compile
after including the library. Both NS-3 and IT++ library have same named header
files channel.h and config.h. Therefore the pre-processor macros (#ifndef,
#define) in channel.h and config.h of NS-3 prevent the same named files from
IT++ library from being included for compilation. 

As a temporary solution I changed the pre-processor macro definitions in NS-3
files by adding NS3_ in beginning, i.e., I changed 

#ifndef CHANNEL_H
#define CHANNEL_H

to 

#ifndef NS3_CHANNEL_H
#define NS3_CHANNEL_H

and similarly in config.h file.

However there is need to solve this problem permanently since it is not very
unlikely that NS-3 developers use some external libraries which have header
files conflicting with those of NS-3.

Thanks.


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