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Subject: [Bug bootstrap/102675] [12 regression] Bootstrap fails in
 libsanitizer: 'MD5_DIGEST_STRING_LENGTH' was not declared in this scope
Date: Sat, 09 Oct 2021 22:31:23 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102675

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2021-10-09
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Gerald Pfeifer from comment #0)
> This happens on all FreeBSD platforms and versions:
>=20
> I believe the problem is that this adds #include <md5.h> and some
> dependencies on constants defined in FreeBSD's /usr/include/md5.h,
> where GCC features it's on $GCC_SOURCE/include/md5.h which does not
> provide the required constants and types.

That file is FreeBSD specific.  Can you use a local patch to force
/usr/include/md5.h, like

#include_next <md5.h>=