On Sun, Feb 21, 2016 at 1:27 AM, Richard Levitte via RT <r...@openssl.org>
wrote:
> I believe that the auto-detecting script, ./config, is lacking detection of
> architecture for Cygwin. Does one preferably recognise a x86_64 Cygwin from
> `uname -m` or is there something in `uname -s` that should be used as an
> indicator?
Yes, that seems to be the issue at hand for OpenSSL 1.0.2. Using the
following works:
$ export KERNEL_BITS=64
$ ./Configure Cygwin-x86_64 ...
KERNEL_BITS=64 may not be needed. Its old habit for OS X, where config
wants to select 32-bit builds for modern 64-bit machines.
Uname (for x86_64 installation):
$ uname -m
x86_64
$ uname -a
CYGWIN_NT-6.3 asus-windows8 2.4.1(0.293/5/3)
2016-01-24 11:26 x86_64 Cygwin
$ uname -s
CYGWIN_NT-6.3
You can also go to the preprocessor, if interested (for x86_64 installation):
$ cpp -dM - </dev/null | egrep -i 'cygwin|x86|amd64|ilp'
#define __x86_64 1
#define __amd64 1
#define __CYGWIN__ 1
#define __x86_64__ 1
#define __amd64__ 1
=====
Here are some measurements for Cygwin i686 installed on a 64-bit machine:
$ uname -a
CYGWIN_NT-6.3-WOW asus-windows8 2.4.1(0.293/5/3)
2016-01-24 11:24 i686 Cygwin
$ uname -m
i686
$ uname -s
CYGWIN_NT-6.3-WOW
$ cpp -dM - </dev/null | egrep -i 'cygwin|x86|amd64|ilp'
#define _X86_ 1
#define __CYGWIN__ 1
#define __CYGWIN32__ 1
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