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RE: dll link error using Cygwin gcc
- From: "Dave Korn" <dave dot korn at artimi dot com>
- To: <cygwin at cygwin dot com>
- Date: Wed, 13 Jun 2007 19:48:23 +0100
- Subject: RE: dll link error using Cygwin gcc
- References: <000001c7adeb$04468a00$0cd39e00$@email@example.com>
On 13 June 2007 19:45, Harold Mills wrote:
> As Dave Korn and Brian Dessent both pointed out, my problem was that gcc was
> compiling Hello.c with the default cdecl calling convention, but the library
> I wanted to link to uses the stdcall convention. Adding __stdcall to the
> function declarations in the header file eci.h fixed the problem. Dave
> suggested using the --enable-stdcall-fixup link option, which from the ld
> documentation did seem like it would do the trick, but I couldn't get it to
> work. I specified it to gcc as -Wl,--enable-stdcall-fixup, but still got the
> "undefined reference" error message.
In any case, Brian was right and my suggestion was wrong: if the library was
compiled with a different calling convention, bodging the symbols to match up
isn't the right thing to do, because the code will go wrong at runtime.
Can't think of a witty .sigline today....
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