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Re: [Gnucap-devel] Compilation errors

From: Al Davis
Subject: Re: [Gnucap-devel] Compilation errors
Date: Fri, 25 Oct 2002 21:09:29 -0600

On Thursday 24 October 2002 02:38 pm, Ko, Yao wrote:
> I just downloaded gnucap, versions 0.30, 0.31 and 0.32 and all these
> versions had similar compilation errors. I'm running RedHat 8.0 with GCC
> 3.2 on Intel arch.
> Here is a snippet of the error when I ran configure; make:
> [...]
> cat Make1 Make2.g++ Make3 Make.depend >O/Makefile
> (cd O; make -k)
> make[2]: Entering directory `/cais2/yaok/development/gnucap-0.31/src/O'
> g++ -DUNIX -O2 -DNDEBUG -I.. -I. -fno-exceptions -W -c ../
> ../ In member function `BSMATRIX<T>& BSMATRIX<T>::fbsub(T*,
> const
>    T*, T*) [with T = double]':
> ../   instantiated from here
> ../ `copy_n' undeclared in namespace `std'

"copy_n" is a function that is supplied with some versions of STL but not 
others.  I thought all Linux versions used the GNU STL, which did supply it.

In 0.31 and earlier, you need to #define NEEDS_COPY_N in the Makefile 

You should not see this problem with 0.32, because it (supposedly) is fixed 
to never use the questionable STL copy_n.

The confugure script should take care of this, but doesn't.  It should be a 
non-issue in 0.32, but is in earlier versions.

> g++ -DUNIX -O2 -DNDEBUG -I.. -I. -fno-exceptions -W -c ../
> ../ default argument given for parameter 1 of `double
>    XPROBE::operator()(mod_t = mtNONE, bool = false) const'
> ../u_xprobe.h:51: after previous specification in `double
>    XPROBE::operator()(mod_t = mtNONE, bool = false) const'

The default arguments are given twice.  To fix, remove them from  It is not a problem on older versions of g++, and will be 
fixed in 0.33.  Thanks.

> The manual says that "any high quality C++ compiler available today should
> work." 

That's the intent.  Sometimes there are bugs.  Thanks for the bug report.

Version 0.32 is available from   .  It should appear on 
the gnu and geda sites soon.  There are some other documents, including 
papers and presentations, at that may be of interest.

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