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From: "simon.marchi at polymtl dot ca" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug build/28500] Failure to find libgmp
Date: Thu, 28 Jul 2022 16:02:11 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D28500

Simon Marchi <simon.marchi at polymtl dot ca> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |simon.marchi at polymtl do=
t ca

--- Comment #14 from Simon Marchi <simon.marchi at polymtl dot ca> ---
This is really messy.  Basically, the top-level configure has the --with-gm=
p*
flags because we sync that configure script with gcc (which lives in another
repo).  But apart from GDB, nothing in binutils-gdb uses GMP.  And when the
time came for GDB to use GMP, it was decided for some reason to use the
AC_LIB_HAVE_LINKFLAGS macro (I suppose because it was handy), which provides
the --with-libgmp-prefix flags.  So in the binutils-gdb repo, we have some
--with-gmp* flags at the top-level which don't do anything, but that people=
 use
(understandably so), because that's what the top-level "./configure --help"
tells them to use.  And then we have the flags that gdb/configure uses that
actually do something, but are not sufficient.

I don't know how feasible it is, but I think at this point we should make G=
DB
understand the --with-gmp* flags in addition to the --with-libgmp* flags.

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