Re: Error compiling with g++ 3.4.4

From:
JR <mr.rivero@yahoo.com>
Newsgroups:
comp.lang.c++
Date:
Sat, 18 Oct 2008 16:00:54 -0700 (PDT)
Message-ID:
<4b94ca48-d12d-4500-9ba2-ddf59d622a9e@a3g2000prm.googlegroups.com>
On Oct 18, 1:51 pm, JR <mr.riv...@yahoo.com> wrote:

On Oct 18, 1:05 pm, Erik Wikstr=F6m <Erik-wikst...@telia.com> wrote:

On 2008-10-18 21:48, JR wrote:

The code below compiles and runs perfectly in Windows XP Pro, Using M=

S

VS 2005.
If I compile with g++ (cygwin) using the following command line:
 g++ -pedantic -Weffc++ -Wall -Wctor-dtor-privacy -Wold-style-ca=

st -

Woverloaded-virtual -o kk kk.cpp

it displays the following errors:
kk.cpp: In function `void Burp(std::ostream&,
std::vector<std::vector<T, std::allocator<_CharT> >,
std::allocator<std::vector<T, std::allocator<_CharT> > > >&)':
kk.cpp:15: error: expected `;' before "ite"
kk.cpp:15: error: `ite' undeclared (first use this function)
kk.cpp:15: error: (Each undeclared identifier is reported only once
for each function it appears in.)

Any help is appreciated, Thanks.

CODE:

#include <iostream>
#include <vector>
#include <algorithm>
#include <stdexcept>
#include <iterator>

using namespace std;

template <typename T>
void Burp(ostream& os, vector< vector<T> >& vec)
{
   os << "Our vector of vectors" << endl;
   for(vector< vector<T> >::iterator ite = vec.begin(); ite!=


I can't see anything wrong on the 15th line (the above is the 13th) but
try using
  for (typename vector< vector<T> >::iterator ite = ...

--
Erik Wikstr=F6m


Hi Erik, and many thanks for your input.

Two things:

- How did you figure out that by adding "typename" the error would
go?...by the way the error message is not appearing anymore...
-...however, now I am getting the following error (it looks like it
came from a deeper part of the compiling process):
$ g++ -Weffc++ -Wall -Wctor-dtor-privacy -Wold-style-cast -
Woverloaded-virtual -o kk kk.cpp
/usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../libcygwin.a(libcmain.o):
(.text+0xab): undefined reference to `_WinMain@16'
collect2: ld returned 1 exit status

Does anybody know if the compiler g++ 3.4.4 is broken?

Thanks again in advance. JR


Hi,

I resolved this problem by going to the mail archive of the cygwin
mailing list for the Cygwin project, posting:
http://cygwin.com/ml/cygwin/2004-03/msg00194.html
Based on the command line for the compiling, I tried the following and
it seemd to have worked:

g++ -mno-cygwin -Weffc++ -Wall -Wctor-dtor-privacy -Wold-style-cast -
Woverloaded-virtual -o kk kk.cpp

I also utilized Erik W's advice by addding a typename before the
instantiation of the iterator.

Thanks Erik W!

JR

CODE: kk.cpp

#include <iostream>
#include <vector>
#include <algorithm>
#include <stdexcept>
#include <iterator>

using namespace std;

template <typename T>
void Burp(ostream& os, vector< vector<T> >& vec)
{
        os << "Our vector of vectors" << endl;
        for(typename vector< vector<T> >::iterator ite = vec.begin();
ite!= vec.end();ite++)
        {
                copy((*ite).begin(), (*ite).end(),
ostream_iterator<T>(os, " "));
                os << endl;
        }
        os << "/Our vector of vectors" << endl;
}

int main(int argc, char argv[])
{
        return 0;
}

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