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RE: New GCC available for testing (TRY 3) -- fixes -mno-cygwin pr oblem
- To: nhv at cape dot com
- Subject: RE: New GCC available for testing (TRY 3) -- fixes -mno-cygwin pr oblem
- From: Earnie Boyd <earnie_boyd at yahoo dot com>
- Date: Fri, 23 Jun 2000 05:48:19 -0700 (PDT)
- Cc: cygwin users <cygwin at sourceware dot cygnus dot com>
- Reply-To: earnie_boyd at yahoo dot com
--- Norman Vine <nhv@cape.com> wrote:
-8<-
>
> Also IMHO it seems as if the _WIN32 define is sometimes useful
> for instance when building DLL's
>
> #if defined(_WIN32)
> #if defined(MAKEDLL)
> # define INTERFACE __declspec(dllexport)
> #elif defined(USEDLL)
> # define INTERFACE __declspec(dllimport)
> #else
> # define INTERFACE
> #endif
> #else
> # define INTERFACE
> #endif
>
As Chuck pointed out you should use __CYGWIN__ instead of _WIN32 in this case.
However, I wouuld remove the outer #if. Isn't enought to do:
#if defined(MAKEDLL)
# define INTERFACE __declspec(dllexport)
#elif defined(USEDLL)
# define INTERFACE __declspec(dllimport)
#else
# define INTERFACE
#endif
>
> I maintain it would be a GOOD THING if we the Cygwin user
> community came up with a 'standard way' of doing this.
>
The community should be using __CYGWIN__ for preprocessor conditioning for the
Cygwin GCC. One of the major problems I have with having the _WIN32 macro
defined is that some software already uses the macro to condition for Win32
specific things and that gets in the way of compiling for POSIX.
Cheers,
=====
---
Earnie Boyd: <mailto:earnie_boyd@yahoo.com>
__Cygwin: POSIX on Windows__
Cygwin Newbies: <http://www.freeyellow.com/members5/gw32/index.html>
__Minimalist GNU for Windows__
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