C++ issues on RHEL3/FC-1

From: Greg Hosler (greg_at_hosler.per.sg)
Date: 04/08/04

  • Next message: Nitin Mehta: "Oracle 8i installation on RedHat Linux 7.3" 
    Date: Thu, 08 Apr 2004 17:16:31 +0800 (SGT)
To: redhat-list@redhat.com

    Hi All,

    I've got a large C++ application that compiles/runs just fine on RH7.3 - I'm in
    the process of porting it to RHEL3, and I am having some issues.

    My program has some usage of iostreams / fstream / etc C++ constructs.

    Some of the questions I have come across are:

            - I noticed that there are 2 sets of C++ header files.
              one is "compat-libstdc++-devel-7.3-2.96.123", and the
              other is "libstdc++-devel-3.2.3-24"

              Is there any rule of thumb as to which set of header files I should
              use ?

            - It seems that by default, libstdc++-devel-3.2.3-24 is being used.

              As I have a lot of pre ISO C99 constructs, this set of header files
              seems to be giving me fits. If I use -I /usr/lib/g++-3, most of my
              compilation errors go away (but leave me w/ link errors). Question
              is there a non-default c++ library that I need to specify ?

            - What are the implications, limitations, issues, with linking together
              object files created with -I /usr/lib/g++-3, and without (i.e. with
              "standard" g++ header files. i.e. should this work ? Is this known to
              not work ? etc.

    any thoughts, or tips (or pointers) would be much appreciated.

    thanks you, and best regards,

    -Greg Hosler

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    | Greg Hosler greg@hosler.per.sg |
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