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Date:	Mon, 14 Oct 2002 12:07:08 +0300
From:	Baurjan Ismagulov <ibr AT ata DOT cs DOT hun DOT edu DOT tr>
To:	cygwin AT sources DOT redhat DOT com
Subject:	rebuilding cygwin1.dll
Message-ID:	<20021014090708.GC1997@gantek.com>
Mail-Followup-To:	Baurjan Ismagulov <ibr AT ata DOT cs DOT hun DOT edu DOT tr>,
	cygwin AT sources DOT redhat DOT com
Mime-Version:	1.0
User-Agent:	Mutt/1.4i

Hello,

I'm trying to understand why the following code doesn't do what I expect
it to:

#include <stdio.h>
#include <windows.h>

int main(void)
{
	SetConsoleOutputCP(857);
	printf("\x87\x94\x8d\x9f\x81\xa7\n");
}

(BTW, does anyone know why gcc issues a warning if main has return type
void? Is this required by any standard I haven't heard of?)

I expect the code above to print six characters from the code page 857
(the default is 866), namely: ccedilla, odiaeresis, dotlessi, scedilla,
udiaeresis, gbreve. However, it prints characters from the default code
page (that is, pseudographics, quote, '?', '?', '?', paragraph). It
prints what I expect only if compiled with -mno-cygwin, which is not
what I want (the ultimate goal is to have mutt switch code pages in one
session, without leaving mutt or bash; it works under Linux).


To understand that, I want to rebuild cygwin1.dll with debugging
information. Due to awful build performance under Windows 2000, I use
cross-compiler under Linux. I did the following:

* copied some includes and libs from an installed cygwin to
  /opt/cygwin/i686-pc-cygwin/{include,lib}.

* release/binutils/binutils-20020706-2-src.tar.bz2
  ./configure --prefix=/opt/cygwin --target=i686-pc-cygwin
  make
  make install

* release/gcc2/gcc2-2.95.3-10-src.tar.bz2 with minor -lintl fixes
  ./configure --prefix=/opt/cygwin --target=i686-pc-cygwin
  PATH=/opt/cygwin/bin:$PATH make LANGUAGES="c c++"
  PATH=/opt/cygwin/bin:$PATH make LANGUAGES="c c++" install

* release/cygwin/cygwin-1.3.12-4-src.tar.bz2 with minor -I. order fixes
  untbz2 release/w32api/w32api-2.0-1-src.tar.bz2 into winsup
  ln -s w32api-2.0-1 winsup/w32api
  ./configure --prefix=/opt/cygwin --host=i686-pc-cygwin --build=i686-pc-linux-gnu.
  PATH=/opt/cygwin/bin:$PATH make

The last command fails while linking new-cygwin1.dll with many errors
saying that __builtin_new, __builtin_delete, __builtin_vec_new and
__builtin_vec_delete not found. Should I use a different compiler, or
some separate C++ library?

Any ideas would be greatly appreciated.

Thanks in advance,
Baurjan.

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