From: "Clément Chigot" <chigot@adacore.com>
To: Andrew Pinski <pinskia@gmail.com>
Cc: binutils@sourceware.org, nickc@redhat.com
Subject: Re: [PATCH] configure: remove dependencies on gmp and mpfr when gdb is disabled
Date: Wed, 4 Jan 2023 08:51:28 +0100 [thread overview]
Message-ID: <CAJ307EjM_PoWDJu_JPStacFKXx-hsk3EOGwhKvwbTj51rGLHAQ@mail.gmail.com> (raw)
In-Reply-To: <CA+=Sn1maRvnLXOMqPkAwLK_Wvp_3O_OcUgTuAQag0JQhScjrNA@mail.gmail.com>
Hi Andrew,
On Tue, Jan 3, 2023 at 6:41 PM Andrew Pinski <pinskia@gmail.com> wrote:
>
> On Tue, Jan 3, 2023 at 5:53 AM Clément Chigot <chigot@adacore.com> wrote:
> >
> > Since 991180627851801f1999d1ebbc0e569a17e47c74, the configure checks
> > about GMP and MPFR for gdb builds have been moved to the toplevel
> > configure.
> > However, it doesn't take into account the --disable-gdb option. Meaning
> > that a build without gdb will require these libraries even if not
> > needed.
>
> I see the conversion of enable_gdb to noconfigdirs is not done until
> later or I would have suggested the patch below.
> Though I wonder if we should rearrange configure.ac but maybe that is
> post GCC 13 branching off.
That might be a good idea. But for now, I would rather fix the build
of binutils rapidly, if you don't mind.
For my personal knowledge, why are the GCC directories being
"configurable" with the binutils configure ? I find it weird to have
--enable-libgo in binutils configure.
Clément
> Thanks,
> Andrew Pinski
>
> diff --git a/configure.ac b/configure.ac
> index 3a1eb0357e5..cbfc21eb2e9 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -1585,7 +1585,9 @@ if test -d ${srcdir}/gcc ; then
> require_mpc=yes
> fi
> if test -d ${srcdir}/gdb ; then
> - require_gmp=yes
> + case "${noconfigdirs}" in
> + *gdb*) require_gmp=yes ;;
> + esac
> fi
>
> gmplibs="-lmpfr -lgmp"
>
> >
> > ChangeLog:
> >
> > * configure.ac: Skip GMP and MPFR errors when --disable-gdb is
> > provided.
> > * configure: Regenerate.
> > ---
> > configure | 4 +++-
> > configure.ac | 4 +++-
> > 2 files changed, 6 insertions(+), 2 deletions(-)
> >
> > diff --git a/configure b/configure
> > index 417fc5a970c..0fb8279cb8f 100755
> > --- a/configure
> > +++ b/configure
> > @@ -8426,11 +8426,13 @@ you obtained GMP, MPFR and/or MPC from a vendor distribution package,
> > make sure that you have installed both the libraries and the header
> > files. They may be located in separate packages." "$LINENO" 5
> > else
> > - as_fn_error $? "Building GDB requires GMP 4.2+, and MPFR 3.1.0+.
> > + if test "x$enable_gdb" != xno; then
> > + as_fn_error $? "Building GDB requires GMP 4.2+, and MPFR 3.1.0+.
> > Try the --with-gmp and/or --with-mpfr options to specify
> > their locations. If you obtained GMP and/or MPFR from a vendor
> > distribution package, make sure that you have installed both the libraries
> > and the header files. They may be located in separate packages." "$LINENO" 5
> > + fi
> > fi
> > fi
> > fi
> > diff --git a/configure.ac b/configure.ac
> > index 3a1eb0357e5..0ec2fffcb56 100644
> > --- a/configure.ac
> > +++ b/configure.ac
> > @@ -1814,11 +1814,13 @@ you obtained GMP, MPFR and/or MPC from a vendor distribution package,
> > make sure that you have installed both the libraries and the header
> > files. They may be located in separate packages.])
> > else
> > - AC_MSG_ERROR([Building GDB requires GMP 4.2+, and MPFR 3.1.0+.
> > + if test "x$enable_gdb" != xno; then
> > + AC_MSG_ERROR([Building GDB requires GMP 4.2+, and MPFR 3.1.0+.
> > Try the --with-gmp and/or --with-mpfr options to specify
> > their locations. If you obtained GMP and/or MPFR from a vendor
> > distribution package, make sure that you have installed both the libraries
> > and the header files. They may be located in separate packages.])
> > + fi
> > fi
> > fi
> > fi
> > --
> > 2.25.1
> >
next prev parent reply other threads:[~2023-01-04 7:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-03 13:53 Clément Chigot
2023-01-03 15:59 ` Andrew Pinski
2023-01-03 16:21 ` Clément Chigot
2023-01-03 16:24 ` Andrew Pinski
2023-01-03 16:26 ` Clément Chigot
2023-01-03 17:41 ` Andrew Pinski
2023-01-04 7:51 ` Clément Chigot [this message]
2023-01-04 14:50 ` Richard Earnshaw
2023-01-04 17:50 ` Andrew Pinski
2023-01-05 8:04 ` Clément Chigot
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