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Date: Fri, 28 Mar 2014 21:12:08 +0800
From: JonY <10walls AT gmail DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: does using mingw-gcc require to compile all libraries with it?
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On 3/28/2014 17:00, tonioc AT free DOT fr wrote:
> Hello,=20
> I just installed mingw-gcc-4.7.3 on top of my cygwin installation.=20
>=20
> Trying to build a library that needs openssl lib, I get undefined referen=
ces to __errno and __getreent from this library.=20
> - I understood those variables are from cygwin1.dll, is it correct?=20
> - does this mean that I should build libcrypto on my own from sources usi=
ng mingw-gcc also ? (and same for any other lib currently available in my c=
ygwin installation?=20
> - or am I missing some option in my build ?=20
>=20

Yes, you have to build with mingw-gcc, you mustn't use any libraries
built by Cygwin gcc, since those are for Cygwin, not mingw.

> Note: I get the same lib correctly built with :=20
> - mingw standalone toolchain, but I'd rather use mingw-gcc in cycgwin if =
possible.=20
> - cygwin's gcc, but running a JNI lib that uses printf or other stdio stu=
ff hangs the VM.=20
>=20

Do not mix Cygwin with native code, use the mingw-gcc (cross compiler
from cygwin) with JNI instead.


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