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Date: Sun, 4 Jul 2010 23:13:30 -0700 (PDT)
From: "kenny AT ca" <heqing DOT gugle AT gmail DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: R: Building DLLs on C++ version code failed, but okay on C version code.
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thank you all. You all are right. I got the desired dlls. Now I know I was
misleaded by the statement that GCC is a collection of compilers and it
automatically use a compiler according to a programming language.


Marco atzeri-3 wrote:
> 
> --- Dom 4/7/10, kenny AT ca  ha scritto:
> 
>> 
>> Hi there,
>> 
>> I wrote a file, hello.c. It has only one function: print a
>> message like
>> "hello!". 
>> ##### hello.c #########
>> #include <stdio.h>
>> void hello() { printf( "Hello.\n" ) ; }
>> 
>> $gcc -c hello.c
>> $gcc -shared -o hello.dll hello.o
>> 
>> I successufully built it as DLL, hello.dll.
>> 
>> Then, I rewrote it in c++.
>> ##### hello.cpp #######
>> #include <iostream>
>> using namespace std ;
>> void hello() {cout << "Hello." << endl ;}
>> 
>> Then, I used the commands above to built DLL, but it
>> failed. Why did it
>> fail?
> 
> wrong compiler ? 
> For C++ you need a C++ compiler
> 
> $g++ -c hello.cpp
> $g++ -shared -o hello.dll hello.o
> 
> Marco
> 
> PS: this is not a cygwin issue, it is a "very" basic one.
> 
> 
>  
> 
> 
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