From:	khan AT xraylith DOT wisc DOT edu (Mumit Khan)
Subject:	Building cross cygwin b20 tools [Re: Linux->Win32 cross compiler ?]
5 Nov 1998 13:45:32 -0800 :
Message-ID:	<Pine.SUN.3.93.981104092639.5445E-100000.cygnus.gnu-win32@modi.xraylith.wisc.edu>
References:	<363E0910 DOT 312E20F1 AT inka DOT de>
Mime-Version:	1.0
To:	"Felix E. Klee" <felix DOT klee AT inka DOT de>
Cc:	gnu-win32 AT cygnus DOT com

On Mon, 2 Nov 1998, Felix E. Klee wrote:

> Hi,
> 
> does anyone know if a cross compiler exists for Linux which
> creates Win32 executables just like gnuwin32 does?
> 

============ building CROSS

You can always build one yourself. Download the CDK source, and do the
following:
  
  $ mkdir <srcdir>/cygwin-b20
  $ cd <srcdir>/cygwin-b20
  $ tar zxvf /tmp/dev-src.tar.gz
  $ cd src
  $ mkdir CROSS
  $ cd CROSS
  $ ../configure --prefix=/usr/local/cygb20 --target=i386-cygwin32 -v
  $ make > make.log 2>&1
  [ check for errors . If OK ]
  $ make install > install.log 2>&1

After you're done, add it to path (if you're using a bourne-shell
compatible, otherwise use csh syntax).
  
  $ export PATH=$PATH:/usr/local/cygb20/bin
  $ i386-cygwin32-gcc -v
  [ should report egcs-1.1 etc ]

All the binaries for i386-cygwin32 target are prefixed with i386-cygwin32-
prefix.

============ building NATIVE tools using CROSS tools just built.

Now if you want to build native tools on eg., a i686-pc-linux-gnu box with 
the same pathnames that wCygnus uses:

  $ cd <srcdir>/cygwin-b20/src
  $ mkdir NATIVE
  $ cd NATIVE
  $ ../configure --prefix=/Cygnus/cygwin-b20 \
    --exec-prefix=/Cygnus/cygwin-b20/H-i586-cygwin32 \
    --target=i386-cygwin32 --host=i386-cygwin32 \
    --build=i686-pc-linux-gnu -v
  $ make > make.log 2>&1
  [ check for errors . If OK ]

Now of course, you want to install it to a *DIFFERENT* location than
/Cygnus/cygwin-b20 on your Unix host before creating an archive to
copy to a Cygwin box. Let's say you first install it to /tmp/cygwin.

  $ make prefix=/tmp/cygwin exec_prefix=/tmp/cygwin/H-i586-cygwin32 \
    install > install.log 2>&1
  $ cd /tmp/cygwin
  $ tar zcvf /tmp/dev-cygwin-b20.tar.gz .

Copy /tmp/dev-cygwin-b20.tar.gz to your Cygwin box and unpack:
  
  [win32]$ cd /Cygnus/cygwin-b20
  [win32]$ tar zxvf /tmp/dev-cygwin-b20.tar.gz

Regards,
Mumit


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