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From: Aaron Merey <amerey@redhat.com>
To: "H.J. Lu" <hjl.tools@gmail.com>
Cc: Tom Tromey <tom@tromey.com>, Simon Marchi <simark@simark.ca>,
	 GCC Patches <gcc-patches@gcc.gnu.org>,
	 Aaron Merey via Binutils <binutils@sourceware.org>,
	GDB <gdb-patches@sourceware.org>
Subject: Re: [PATCH] config/debuginfod.m4: Restore AC_CHECK_LIB check
Date: Mon, 27 Jul 2020 12:11:01 -0400	[thread overview]
Message-ID: <CAJDtP-R6Gy_w-CGrOMfHe_sq+LNu=nxh-qgakzOE9pArSCq7BA@mail.gmail.com> (raw)
In-Reply-To: <CAMe9rOrJY8Ui92m-HrDCOgb1p+NCNzm6VtWMj925HXBNQmnnjg@mail.gmail.com>

On Mon, Jul 27, 2020 at 11:32 AM H.J. Lu <hjl.tools@gmail.com> wrote:
>
> On Sat, Jul 25, 2020 at 9:01 AM H.J. Lu <hjl.tools@gmail.com> wrote:
> > This caused:
> >
> > https://sourceware.org/bugzilla/show_bug.cgi?id=26301
> >
>
> It is quite normal to have debuginfod headers without libdebuginfod on
> multilib OSes.  Restore AC_CHECK_LIB to check if libdebuginfod exists.
> And always define HAVE_LIBDEBUGINFOD to 0 or 1 for
>
> binutils/dwarf.c:#if HAVE_LIBDEBUGINFOD
> binutils/dwarf.c:#if HAVE_LIBDEBUGINFOD
> binutils/dwarf.c:#if HAVE_LIBDEBUGINFOD
> binutils/dwarf.h:#if HAVE_LIBDEBUGINFOD
> binutils/objdump.c:#if HAVE_LIBDEBUGINFOD
> binutils/objdump.c:#endif /* HAVE_LIBDEBUGINFOD */
> binutils/readelf.c:#if HAVE_LIBDEBUGINFOD
> binutils/readelf.c:#endif /* HAVE_LIBDEBUGINFOD */
> gdb/top.c:#if HAVE_LIBDEBUGINFOD
>
> OK for master?

Thanks for spotting this. Normally PKG_CHECH_MODULES would correctly
detect whether the .so and header are installed and build accordingly,
but when cross compiling the AC_CHECK_LIB may be needed.

Aaron



  reply	other threads:[~2020-07-27 16:11 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200502022903.175852-1-amerey@redhat.com>
     [not found] ` <3d9da16939fa6b503188033b56d30531e03d5d2a.camel@redhat.com>
2020-05-05 21:23   ` [PATCH] config/debuginfod.m4: Use PKG_CHECK_MODULES Aaron Merey
2020-05-08 20:56     ` Tom Tromey
2020-07-16 22:17       ` Aaron Merey
2020-07-16 22:37       ` Aaron Merey
2020-07-19 15:43         ` Simon Marchi
2020-07-21 15:20           ` Tom Tromey
2020-07-21 18:11             ` Aaron Merey
2020-07-24 20:03               ` Aaron Merey
2020-07-25 16:01                 ` H.J. Lu
2020-07-27 15:31                   ` [PATCH] config/debuginfod.m4: Restore AC_CHECK_LIB check H.J. Lu
2020-07-27 16:11                     ` Aaron Merey [this message]
2020-07-27 19:14                       ` [PATCH] PKG_CHECK_MODULES: Check if $pkg_cv_[]$1[]_LIBS works H.J. Lu
2020-07-27 19:32                         ` V2 " H.J. Lu
2020-07-28 10:45                           ` H.J. Lu
2020-07-28 12:46                             ` Simon Marchi
2020-07-28 13:33                               ` H.J. Lu
2020-07-28 13:51                                 ` Andreas Schwab
2020-07-28 13:56                                   ` H.J. Lu
2020-07-28 14:01                                     ` Simon Marchi
2020-07-28 14:11                                       ` H.J. Lu
2020-07-28 14:34                                         ` Simon Marchi
2020-07-28 15:05                                           ` H.J. Lu
2020-07-28 15:13                                             ` Simon Marchi
2020-07-28 16:07                                               ` H.J. Lu
2020-07-28 16:28                                                 ` Simon Marchi
2020-07-28 17:26                                                   ` H.J. Lu
2020-07-28 17:43                                                     ` Simon Marchi
2020-07-28 18:31                                                       ` H.J. Lu
2020-07-28 18:47                                                         ` Simon Marchi
2020-07-28 18:57                                                           ` H.J. Lu
2020-07-28 14:54                                         ` Andreas Schwab
2020-07-28 13:53                                 ` H.J. Lu
2020-07-28 13:54                                 ` Simon Marchi
2020-07-28 12:54                           ` Mark Wielaard
2020-07-28 13:27                             ` [PATCH] PKG_CHECK_MODULES: Properly check " H.J. Lu

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