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From: Sebastian Huber <sebastian.huber@embedded-brains.de>
To: newlib@sourceware.org
Subject: Re: [PATCH 2/7] Cygwin: Enable backward binary compatibility
Date: Mon, 16 May 2022 07:31:38 +0200	[thread overview]
Message-ID: <69617006-7222-3141-54aa-d3eff3031a1f@embedded-brains.de> (raw)
In-Reply-To: <Yn68ZXZV0nb45BiC@calimero.vinschen.de>

On 13/05/2022 22:15, Corinna Vinschen wrote:
> On May 13 15:46, Sebastian Huber wrote:
>> ---
>>   winsup/cygwin/include/cygwin/config.h | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/winsup/cygwin/include/cygwin/config.h b/winsup/cygwin/include/cygwin/config.h
>> index 71a216fbd..2d410a2e7 100644
>> --- a/winsup/cygwin/include/cygwin/config.h
>> +++ b/winsup/cygwin/include/cygwin/config.h
>> @@ -80,6 +80,7 @@ extern inline struct _reent *__getreent (void)
>>   #define __TM_GMTOFF tm_gmtoff
>>   #define __TM_ZONE   tm_zone
>>   #define _USE_LONG_TIME_T 1
>> +#define _NEWLIB_BACKWARD_BINARY_COMPAT 1
> Why?
> 
> AFAICS we don't expose _REENT to user space.  In theory (knocking
> on wood here), we shouldn't need _REENT binary compat.

Ok good, I always thought the unused members in struct _reent were 
mainly for Cygwin.

Maybe the option should be named --enable-newlib-reent-binary-compat and 
restricted to struct _reent.

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  reply	other threads:[~2022-05-16  5:31 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-13 13:46 [PATCH 0/7] Add --enable-newlib-backward-binary-compat configure option Sebastian Huber
2022-05-13 13:46 ` [PATCH 1/7] Add --enable-newlib-backward-binary-compat Sebastian Huber
2022-05-13 13:46 ` [PATCH 2/7] Cygwin: Enable backward binary compatibility Sebastian Huber
2022-05-13 20:15   ` Corinna Vinschen
2022-05-16  5:31     ` Sebastian Huber [this message]
2022-05-16 11:09       ` Corinna Vinschen
2022-05-13 13:46 ` [PATCH 3/7] Optional struct _reent::__unused_sdidinit Sebastian Huber
2022-05-13 13:46 ` [PATCH 4/7] Optional struct _reent::_unspecified_locale_info Sebastian Huber
2022-05-13 13:46 ` [PATCH 5/7] Optional struct _reent::_new::_unused Sebastian Huber
2022-05-13 13:46 ` [PATCH 6/7] Optional struct _reent::_new::_reent::_unused_rand Sebastian Huber
2022-05-13 13:47 ` [PATCH 7/7] Use global atexit data for all configurations Sebastian Huber
2022-05-13 16:30   ` Sebastian Huber

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