[PATCH] src/sysdep.h: fix build failure when BOTHER is not found

[Giulio Benetti]

Thanks a lot Adam, going to test soon and send patch to Buildroot.

Giulio Benetti

> Il giorno 28 feb 2026, alle ore 13:12, Adam Lackorzynski <adam at os.inf.tu-dresden.de> ha scritto:
> 
> Hi Giulio,
> 
> I've done a 2.11.1 by now to address this. Setting arbitrary baud rates
> needed some more care for older glibc.
> 
> 
> BR, Adam
> 
>> On Tue Feb 24, 2026 at 10:58:59 +0100, Giulio Benetti wrote:
>> This patch doesn't work as expected, it ends up in struct termios
>> redefinition. Need another workaround.
>> 
>> Sorry for the noise
>> 
>> Best regards
>> Giulio
>> 
>>> On 2/24/26 10:33, Giulio Benetti wrote:
>>> Only including termios.h is not sufficient to gain access to BOTHER macro,
>>> so let's check if it's defined, and if not include <asm/termbits.h>.
>>> While doing this let's optimize #ifdef statement.
>>> 
>>> Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>
>>> ---
>>>  src/sysdep.h | 15 +++++++--------
>>>  1 file changed, 7 insertions(+), 8 deletions(-)
>>> 
>>> diff --git a/src/sysdep.h b/src/sysdep.h
>>> index 9ba8836..bf5ed13 100644
>>> --- a/src/sysdep.h
>>> +++ b/src/sysdep.h
>>> @@ -34,16 +34,15 @@
>>>  #ifdef _SCO
>>>  #  define _IBCS2 /* So we get struct winsize :-) */
>>>  #endif
>>> -#ifdef POSIX_TERMIOS
>>> +#if defined(POSIX_TERMIOS) || defined(HAVE_TERMIO_H)
>>>  #  include <termios.h>
>>> +#  ifndef BOTHER
>>> +#    include <asm/termbits.h>
>>> +#  endif
>>>  #else
>>> -#  ifdef HAVE_TERMIO_H
>>> -#    include <termios.h>
>>> -#  else
>>> -#    define _V7
>>> -#    ifdef HAVE_SGTTY_H
>>> -#      include <sgtty.h>
>>> -#    endif
>>> +#  define _V7
>>> +#  ifdef HAVE_SGTTY_H
>>> +#    include <sgtty.h>
>>>  #  endif
>>>  #endif
>>>  #ifdef HAVE_SYS_IOCTL_H