compiling Windows code with g++ on Linux using msvcrt - good idea? if so, how do you do it?

Roderick Colenbrander thunderbird2k at
Thu Dec 11 02:32:53 CST 2008

> Hi,
> I have a huge amount of Windows code that I'm porting to Linux.
> Wine is turning out to be a read godsend, thank you guys!
> Anyway, I've had tons of luck including the directory
> <wine_dir>/include/wine/windows in my include path. All my Windows types are there and
> everything is wonderful. I've even been able to link against the libraries by
> renaming, for example, to and using -lfoo on the g++
> command line.
> I actually haven't got all my functions defined so I don't know if this
> will actually run yet because the link isn't complete yet.
> My first question is whether this will work. Will all my Windows functions
> with function declarations defined in the windows directory and code
> compiled into actually run?
> Second, I see that some of the functions I want to use are actually
> defined by headers in the msvcrt directory. However, this directory contains tons
> of header files that my system (and gcc) also have under /usr/include and
> gcc's own directories. I understand that msvcrt is Windows lib c, but I
> wonder how I'm supposed to use it with gcc to compile? I've tried -nostdinc to
> gcc, but the number of errors I get is enormous.
> It's not the end of the world if I can't use Wine's msvcrt, but if I could
> use it, it would define dozens more functions on which my program relies,
> or if its use was mandatory in order to get the functions implemented in
> to work, then obviously I wonder how I'm supposed to compile my
> Windows code with Wine to make everything work?
> I'm sorry if this is a dumb question. I can't find a way to search the
> wine-devel mailing list other than with google and I can't find anything on
> there or other docs that answer this question, which I'm sure has been asked
> a million times and has a simple answer.
> Thank you thank you,
> Jeff
> _________________________________________________________________
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Just compiling your program using g++ won't work as Wine needs to perform a lot of magic. For that reason Wine ships with its own gcc/g++ wrapper programs called winegcc/wineg++ both are mingw compatible. You should build your program using that and it won't have issues linking with wine libraries and it also allows you to link against linux libraries.

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