Re: [Mingw-users] Compiling ACE 5.3 testcase Service_Config_DLL.cpp causes ICE using MinGW under cygwin

[Danny Smith <danny_r_smith_2001 at yahoo dot co dot nz>]

This is related to PR's 8841 and 9237 (and possibly others) where a function
declared as dllimport is used and, later. defined.

Danny




 --- "Michael H. Cox" <mhcox@bluezoosoftware.com> wrote: > Below is an ACE
problem report containing all the pertinent information.
> The distilled code produces an internal compiler error in g++, so I assume
> the bug is primarily in GCC.  There is some strangeness in the ACE code that
> *defines* a function as a dllimport when it probably should be a dllexport.
> See below for the details...
> 

<snip>
    REPEAT BY:
>     Compiling the following source distilled from Service_Config_DLL.cpp
> will
>     cause an ICE using the command line "g++ ICE.cpp":
> // ICE.cpp: Distilled version of test case Service_Config_DLL.cpp from
> // ACE 5.3 that causes an ICE in g++ 3.2 mingw:
> // ICE.cpp: In function `void _make_Service_Config_DLL(void*)':
> // ICE.cpp:24: Internal compiler error in rest_of_compilation, at
> toplev.c:3491
> // Please submit a full bug report,
> // with preprocessed source if appropriate.
> // See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
> 
> extern "C"
> {
>  __attribute__((dllimport)) void _make_Service_Config_DLL (void *);
>   typedef void (*ACE_SERVICE_ALLOCATOR) (void *);
> }
> 
> // Commenting out the line of code below changes ICE to a syntax error:
> // ICE.cpp:22: function `void _make_Service_Config_DLL(void*)' definition is
> marked dllimport
> ACE_SERVICE_ALLOCATOR alloc_ = &_make_Service_Config_DLL;
> 
> // This should probably be __attribute__((dllexport)), but even changing it
> // still produces ICE.
> extern "C" __attribute__((dllimport))
> void _make_Service_Config_DLL (void *gobbler)
> {
> }
> //EOF
> 
>     SAMPLE FIX/WORKAROUND:
>     N/A.
> 
> 
> 
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