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Date: Sun, 04 Jul 2010 11:10:50 +0000
From: Greg Chicares <gchicares AT sbcglobal DOT net>
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To: cygwin AT cygwin DOT com
Subject: Re: Building DLLs on C++ version code failed, but okay on C version code.
References: <29068199 DOT post AT talk DOT nabble DOT com>
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On 2010-07-04 10:24Z, kenny AT ca wrote:
> 
> $gcc -c hello.c
> $gcc -shared -o hello.dll hello.o
> 
> I successufully built it as DLL, hello.dll.

Here, the C runtime library is automatically linked.

> Then, I rewrote it in c++.
[...]
> Then, I used the commands above to built DLL, but it failed. Why did it
> fail?

Use 'g++' instead of 'gcc' for C++:

g++ -c hello.cpp
g++ -shared -o hello.dll hello.o

Then the C++ standard library is automatically linked.

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