Groups > comp.os.linux.development.apps > #127

Re: Compilation order

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Date	Mon, 30 May 2011 08:56:39 +0200
From	David Brown <david@westcontrol.removethisbit.com>
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Subject	Re: Compilation order
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On 27/05/2011 15:31, Rainer Weikusat wrote:
> David Brown<david@westcontrol.removethisbit.com>  writes:
>> On 27/05/2011 08:06, wij@seed.net.tw wrote:
>>> Hi:
>>> I have a program to update on Fedora 15(g++ version 4.6.0), but
>>> the compiled executable is wrong. Let me make an example. I had
>>> 2 files t1.cpp t2.cpp, t1 contains the main function. If I issue
>>> command "g++ t1.cpp t2.o". A static array in t2.o is not initialized.
>>> The command "g++ t2.o t1.cpp" solves the problem. But on earlier
>>> versions of g++, the same problem happened. In all, with g++ 4.6.0
>>> I should use g++ t2.o t1.cpp, with earlier versions I should use
>>> g++ t1.cpp t2.o. What is the problem and how should I fix it?
>>> Thanks in advance.
>>
>> Don't call g++ directly - always use "gcc", and let it call the
>> required linker or compiler programs as needed.
>
> That's wrong. g++ is the name of the gcc frontend for C++ and it is
> supposed to provide default values that 'work' for this language. It
> is not one of the backends (that would be cc1plus in this case).

Thanks (also to Richard) for correcting me here - I had, as you probably 
suspected, thought g++ was part of the backend rather than the front-end 
here.

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Thread

Compilation order wij@seed.net.tw - 2011-05-26 23:06 -0700
  Re: Compilation order David Brown <david@westcontrol.removethisbit.com> - 2011-05-27 09:00 +0200
    Re: Compilation order Richard Kettlewell <rjk@greenend.org.uk> - 2011-05-27 09:59 +0100
    Re: Compilation order wij@seed.net.tw - 2011-05-27 05:56 -0700
      Re: Compilation order Richard Kettlewell <rjk@greenend.org.uk> - 2011-05-27 14:11 +0100
      Re: Compilation order David Schwartz <davids@webmaster.com> - 2011-05-27 12:23 -0700
        Re: Compilation order wij@seed.net.tw - 2011-05-27 18:56 -0700
          Re: Compilation order David Schwartz <davids@webmaster.com> - 2011-05-27 22:52 -0700
            Re: Compilation order wij@seed.net.tw - 2011-05-28 08:46 -0700
              Re: Compilation order David Schwartz <davids@webmaster.com> - 2011-06-03 04:30 -0700
    Re: Compilation order Rainer Weikusat <rweikusat@mssgmbh.com> - 2011-05-27 14:31 +0100
      Re: Compilation order David Brown <david@westcontrol.removethisbit.com> - 2011-05-30 08:56 +0200
  Re: Compilation order Sergei Organov <osv@javad.com> - 2011-05-27 11:37 +0400
    Re: Compilation order Richard Kettlewell <rjk@greenend.org.uk> - 2011-05-27 10:00 +0100
  Re: Compilation order Jasen Betts <jasen@xnet.co.nz> - 2011-05-29 12:48 +0000

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