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2012/2/2 Kai Tietz <ktiet...@googlemail.com>:
> Hello,
>
> this patch fixes an issue about current used boehm-gc tree in gcc.
> The issue is that _DLL macro is used for Windows-targets wrong. It is
> assumed that it would mean to build a shared object (DLL), but it just
> indicates that built DLL/Exectuable is using shared msvcrt.dll
> runtime. (see here msdn about meaning for _DLL macro).
>
> ChangeLog
>
> * include/gc_config_macros.h (GC_DLL): Define it for
> mingw-targets only, if
> we are actual in boehm-gc's build and DLL_EXPORT macro is defined.
>
> Tested for i686-w64-mingw32, i686-pc-mingw32, and x86_64-w64-mingw32
> (including building of libjava with test). Ok for apply?
>
> Regards,
> Kai
>
> Index: include/gc_config_macros.h
> ===================================================================
> --- include/gc_config_macros.h (revision 183833)
> +++ include/gc_config_macros.h (working copy)
> @@ -81,7 +81,9 @@
> typedef long ptrdiff_t; /* ptrdiff_t is not defined */
> # endif
>
> -#if defined(_DLL) && !defined(GC_NOT_DLL) && !defined(GC_DLL)
> +#if ((defined(_DLL) && !defined (__MINGW32__)) \
> + || (defined (DLL_EXPORT) && defined (GC_BUILD))) \
> + && !defined(GC_DLL)
> # define GC_DLL
> #endif
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