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Date:	Fri, 21 Mar 2008 12:17:56 -0400
From:	NightStrike <nightstrike AT gmail DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Cygwin on x64
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On 3/13/08, Dave Korn <dave DOT korn AT artimi DOT com> wrote:
> NightStrike wrote on 13 March 2008 19:20:
>
> > Is cygwin for Win64 native 64-bit, or does it run in the WoW
> > compatibility layer?
>
>  The latter.  There's no such thing as "cygwin for Win64"; the dll itself,
> and all the packages, exist only in bog standard 32-bit ix86 versions.

Now that there's a more or less working compiler for Win64, what's
required to get at the very least the cygwin dll to compile?

A very quick attempt with the current compiler yields this:

cc -L/home/nightstrike/cyg/build/x86_64-pc-mingw32/winsup/mingw
-L/home/nightstrike/cyg/build/x86_64-pc-mingw32/winsup/w32api/lib
-isystem /home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include
-isystem /home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/w32api/include
-c -DHAVE_CONFIG_H -g -O2   -I.
-I../../../cygwin-snapshot-20080318-1/libiberty/../include  -W -Wall
-Wwrite-strings -Wc++-compat -Wstrict-prototypes -pedantic
../../../cygwin-snapshot-20080318-1/libiberty/regex.c -o regex.o
In file included from ../../../cygwin-snapshot-20080318-1/libiberty/regex.c:196:
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:
In function 'isalnum':
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:154:
error: '_imp____mb_cur_max_dll' undeclared (first use in this
function)
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:154:
error: (Each undeclared identifier is reported only once
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:154:
error: for each function it appears in.)
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:
In function 'isalpha':
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:155:
error: '_imp____mb_cur_max_dll' undeclared (first use in this
function)
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:
In function 'iscntrl':
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:156:
error: '_imp____mb_cur_max_dll' undeclared (first use in this
function)
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:
In function 'isdigit':
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:157:
error: '_imp____mb_cur_max_dll' undeclared (first use in this
function)
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:
In function 'isgraph':
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:158:
error: '_imp____mb_cur_max_dll' undeclared (first use in this
function)
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:
In function 'islower':
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:159:
error: '_imp____mb_cur_max_dll' undeclared (first use in this
function)
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:
In function 'isprint':
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:160:
error: '_imp____mb_cur_max_dll' undeclared (first use in this
function)
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:
In function 'ispunct':
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:161:
error: '_imp____mb_cur_max_dll' undeclared (first use in this
function)
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:
In function 'isspace':
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:162:
error: '_imp____mb_cur_max_dll' undeclared (first use in this
function)
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:
In function 'isupper':
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:163:
error: '_imp____mb_cur_max_dll' undeclared (first use in this
function)
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:
In function 'isxdigit':
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:164:
error: '_imp____mb_cur_max_dll' undeclared (first use in this
function)
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:
In function 'isblank':
/home/nightstrike/cyg/cygwin-snapshot-20080318-1/winsup/mingw/include/ctype.h:169:
error: '_imp____mb_cur_max_dll' undeclared (first use in this
function)
make[2]: *** [regex.o] Error 1

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