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On 07.08.2013 22:37, Michael Cronenworth wrote:
> On 08/07/2013 01:35 PM, LRN wrote:
>> What does "might" mean there? Like, you may get a dependency, or you may
>> not? It doesn't sound like you ALWAYS get a dependency.
>> Previously you WOULD get the dependency if you had code that required
>> it, and WOULD NOT get it otherwise.
>> Now you get it regardless.
>> Note that in #57120 the reporter explicitly does long long division, so
>> for him libgcc is mandatory, and it's fine.
>> For an empty dll - not so much...
>
> Feel free to file a bug for an enhancement. I'm not a MinGW-w64 developer.
> Arguing with me is like arguing with the wind. :)
After jon_y gave me some tips, i was able to confirm that dependency in
question is pulled by libmingwex.
After further investigation i was able to fix this problem with the
following patch to mingw-w64-crt.
It removes the use of libmingwex mingw_*printf functions in libmingw32.
These were the functions that pulled libgcc with them.
(just to be safe i've removed both matherr and pseudo-reloc occurrences,
although i suspect that only pseudo-reloc actively contributed to the
problem in my case).
- --
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--- mingw-w64-crt/crt/merr.c.orig 2013-08-07 20:35:49.000000000 +0400
+++ mingw-w64-crt/crt/merr.c 2013-08-08 10:26:00.000000000 +0400
@@ -69,7 +69,7 @@
break;
}
- __mingw_fprintf (stderr, "_matherr(): %s in %s(%g, %g) (retval=%g)\n",
+ fprintf (stderr, "_matherr(): %s in %s(%g, %g) (retval=%g)\n",
type, pexcept->name, pexcept->arg1, pexcept->arg2, pexcept->retval);
return 0;
}
--- mingw-w64-crt/crt/pseudo-reloc.c.orig 2013-08-07 20:35:49.000000000
+0400
+++ mingw-w64-crt/crt/pseudo-reloc.c 2013-08-08 10:25:48.000000000 +0400
@@ -145,13 +145,8 @@
#else
va_list argp;
va_start (argp, msg);
-# ifdef __MINGW64_VERSION_MAJOR
- __mingw_fprintf (stderr, "Mingw-w64 runtime failure:\n");
- __mingw_vfprintf (stderr, msg, argp);
-# else
fprintf (stderr, "Mingw runtime failure:\n");
vfprintf (stderr, msg, argp);
-#endif
va_end (argp);
abort ();
#endif
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