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From: "nicolas at debian dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ada/114065] gnat build with -D_TIME_BITS=64
 -D_FILE_OFFSET_BITS=64 fails on 32bit archs
Date: Sun, 28 Apr 2024 20:32:59 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114065

Nicolas Boulenguez <nicolas at debian dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #58028|0                           |1
        is obsolete|                            |

--- Comment #24 from Nicolas Boulenguez <nicolas at debian dot org> ---
Created attachment 58060
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D58060&action=3Dedit
timeval timespec: merge all definitions, select 32 or 64 bits variants on g=
libc

Hello.

The second issue is caused by glibc implementing (on architectures where ti=
me_t
was 32 bits by default)
  gettimeofday
  __gettimeofday64
and #defining gettimeofday __gettimeofday64 if __USE_TIME_BITS64.
Ada, ignoring this, was still importing the 32 bits version.

The attached archive patches all such issues as far as I know.
The patch has been tested on x86_64-linux-gnu (time_t64 is the default) and
arm-linux-gnueabihf (time_t64 is affected by __USE_TIME_BITS64).=