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Message-ID: <3A936F8D.60C89FE8@studserv.uni-stuttgart.de>
Date: Wed, 21 Feb 2001 08:34:37 +0100
From: Tilman Utz <Tilman DOT Utz AT studserv DOT uni-stuttgart DOT de>
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To: Patrick Lightbody <plightbo AT cisco DOT com>
CC: cygwin AT cygwin DOT com
Subject: Re: Simple hello world in C++
References: <5 DOT 0 DOT 2 DOT 1 DOT 0 DOT 20010220191642 DOT 00a60b10 AT ce-nfs-1 DOT cisco DOT com>
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Hello Patrick

Patrick Lightbody schrieb:

> I'm trying to compile a simple "Hello World" using the latest build tools
> in cygwin, but with the -mno-cygwin option so that the resulting object
> does't require the cygwin1.dll:
>
> #include <iostream.h>
>
> int main(void) {
>          std::cout << "Hello!\n";
>          return 0;
> }
>
> The program works fine when doing just "g++ test.cpp", but when I do "g++
> -mno-cygwin test.cpp" I get this error:
>
> In file included from
> /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2-6/../../../../include/g++-3/streambuf.h:36,
>                   from
> /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2-6/../../../../include/g++-3/iostream.h:31,
>                   from test.cpp:1:
> /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2-6/../../../../include/g++-3/libio.h:30:
> _G_config.h: No such file or directory

This is a well known problem of the mno-cygwin flag. Read
http://www.xraylith.wisc.edu/~khan/software/gnu-win32/mno-cygwin-howto.txt for further
instructions using it.

Regards
        Tilman

> I made a symlink of /usr/include/_G_config.h to /usr/include/g++-3, but I
> still get errors. I could continue to make symlinks, but that doesn't seem
> like the right answer to me. What am I missing? Thanks.
>
> -Pat
>
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