[Bug build/28500] New: Failure to find libgmp

[Bug build/28500] New: Failure to find libgmp

[64m at tutamail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

            Bug ID: 28500
           Summary: Failure to find libgmp
           Product: gdb
           Version: 11.1
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: build
          Assignee: unassigned at sourceware dot org
          Reporter: 64m at tutamail dot com
  Target Milestone: ---

I have tried to compile GDB 11.1. Libgmp is not found even I specified path to
it. 

Error:
configure: error: GMP is missing or unusable

Configured with:
../../src/gdb-11.1/configure --prefix=/home/mapniv/prog/riscv64-gdb
--target=riscv64-none-elf --with-gmp-include=/home/mapniv/prog/gmp/include
--with-gmp-lib=/home/mapniv/prog/gmp/lib --with-mpc=/home/mapniv/prog/mpc
--with-mpfr=/home/mapniv/prog/mpfr

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[Bug build/28500] Failure to find libgmp

[64m at tutamail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

--- Comment #1 from 64m at tutamail dot com ---
It is most likely related to
https://sourceware.org/bugzilla/show_bug.cgi?id=28332

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[Bug build/28500] Failure to find libgmp

[64m at tutamail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

--- Comment #2 from 64m at tutamail dot com ---
It is most likely related to
https://sourceware.org/bugzilla/show_bug.cgi?id=28332

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[Bug build/28500] Failure to find libgmp

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tromey at sourceware dot org
   Last reconfirmed|                            |2022-02-27
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |WAITING

--- Comment #3 from Tom Tromey <tromey at sourceware dot org> ---
Are your symptoms the same as the ones in bug 28332?
If so I guess we can close as a dup.
Otherwise, we can investigate more.
Maybe the contents of gdb/config.log would be interesting.

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[Bug build/28500] Failure to find libgmp

[64m at tutamail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

--- Comment #4 from 64m at tutamail dot com ---
I'm sorry to answer this late. I thought no one would answer to this bug
request. 

No, they are not. I was able to build GDB with GMP installed to standard
location, but was unable to build it with GMP installed to custom location.
That is options '--with-gmp', '--with-gmp-lib' and '--with-gmp-include' do not
work.

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[Bug build/28500] Failure to find libgmp

[64m at tutamail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

--- Comment #5 from 64m at tutamail dot com ---
Created attachment 14006
  --> https://sourceware.org/bugzilla/attachment.cgi?id=14006&action=edit
gdb/config.log

Attached gdb/config.log.

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[Bug build/28500] Failure to find libgmp

[64m at tutamail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

--- Comment #6 from 64m at tutamail dot com ---
Above attachment was generated when building GDB 11.2 and not 11.1.

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[Bug build/28500] Failure to find libgmp

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |NEW

--- Comment #7 from Tom Tromey <tromey at sourceware dot org> ---
Ok, I think there was a thread about this on gdb-patches
last year.  For some reason there are two different sets
of GMP flags to configure, and gdb doesn't respect the
top-level ones:

prentzel. ./configure --help|grep gmp
  --with-gmp-dir=PATH     this option has been REMOVED
  --with-gmp=PATH         specify prefix directory for the installed GMP
                          --with-gmp-include=PATH/include plus
                          --with-gmp-lib=PATH/lib
  --with-gmp-include=PATH specify directory for installed GMP include files
  --with-gmp-lib=PATH     specify directory for the installed GMP library
prentzel. ./gdb/configure --help|grep gmp
  --with-libgmp-prefix[=DIR]  search for libgmp in DIR/include and DIR/lib
  --without-libgmp-prefix     don't search for libgmp in includedir and libdir
  --with-libgmp-type=TYPE     type of library to search for
(auto/static/shared)


So, I suggest trying the ones that gdb/configure reports.
Top-level configure will pass these down despite the fact
that it doesn't know about them.

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[Bug build/28500] Failure to find libgmp

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

--- Comment #8 from Tom Tromey <tromey at sourceware dot org> ---
Found the thread, didn't read it yet:

https://sourceware.org/pipermail/gdb-patches/2020-November/173301.html

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[Bug build/28500] Failure to find libgmp

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bldenton at buffalo dot edu

--- Comment #9 from Tom Tromey <tromey at sourceware dot org> ---
*** Bug 28625 has been marked as a duplicate of this bug. ***

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[Bug build/28500] Failure to find libgmp

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ro at gcc dot gnu.org

--- Comment #10 from Tom Tromey <tromey at sourceware dot org> ---
*** Bug 28332 has been marked as a duplicate of this bug. ***

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[Bug build/28500] Failure to find libgmp

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |Mario.Klebsch@ime-actia.de

--- Comment #11 from Tom Tromey <tromey at sourceware dot org> ---
*** Bug 27762 has been marked as a duplicate of this bug. ***

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[Bug build/28500] Failure to find libgmp

[karel.gardas at centrum dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

Karel Gardas <karel.gardas at centrum dot cz> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |karel.gardas at centrum dot cz

--- Comment #12 from Karel Gardas <karel.gardas at centrum dot cz> ---
The bug may also be duplicated on gdb 12.1.

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[Bug build/28500] Failure to find libgmp

[sourceware at boris dot nikolaus.name]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

Boris N. <sourceware at boris dot nikolaus.name> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sourceware at boris dot nikolaus.n
                   |                            |ame

--- Comment #13 from Boris N. <sourceware at boris dot nikolaus.name> ---
Bug still exists in gdb 12.1.

> So, I suggest trying the ones that gdb/configure reports [i.e. --with-gmp-prefix=DIR].

This only works if includes and libraries can be found in DIR/include and
DIR/lib which is not always the case. E.g. for multi-arch systems the library
path may be in DIR/lib32 or DIR/lib64. It would be nice if the gdb/configure
could support the settings passed from the top configure via
--with-gmp-include/--with-gmp-lib options. (Same applies to libmpfr which can
be specified with --with-mpfr-* configure options but are ignored in
gdb/configure.)

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[Bug build/28500] Failure to find libgmp

[simon.marchi at polymtl dot ca]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |simon.marchi at polymtl dot ca

--- Comment #14 from Simon Marchi <simon.marchi at polymtl dot ca> ---
This is really messy.  Basically, the top-level configure has the --with-gmp*
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 GDB
understand the --with-gmp* flags in addition to the --with-libgmp* flags.

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[Bug build/28500] Failure to find libgmp

[pinskia at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pinskia at gcc dot gnu.org

--- Comment #15 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I found building with GMP to be useful too. Especially when doing Canadian
cross builds. Then you don't need to build GMP seperately for the target you
can just use the one that is newly built. Especially when it comes to doing
combined builds too (which I still do). I should figure out how to clean up my
patches and submit them upstream for this.

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[Bug build/28500] Failure to find libgmp

[pinskia at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

--- Comment #16 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The only issue with my current patch really is that MPC also becomes a
dependency which might be ok.

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[Bug build/28500] Failure to find libgmp

[pinskia at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at sourceware dot org   |pinskia at gcc dot gnu.org

--- Comment #17 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 14436
  --> https://sourceware.org/bugzilla/attachment.cgi?id=14436&action=edit
Patch which uses the toplevel configure to find gmp/libmpfr

I will submit this patch soon; tomorrow. It is based on the gdb 12.1 release
but I don't think much has changed there yet.
Note it does change to always require MPFR rather than having it as an optional
feature (with a warning) unlike before.

It is better than my previous version which I did because I ran into this issue
with gdb 8.3 as it does not cause MPC to be required for gdb now.

I also tested to make sure GMP and MPFR could build when in the source
directory and be used just like it is for gcc too.

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[Bug build/28500] Failure to find libgmp

[pinskia at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #14436|0                           |1
        is obsolete|                            |

--- Comment #18 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 14437
  --> https://sourceware.org/bugzilla/attachment.cgi?id=14437&action=edit
Patch against the trunk

Will do the changelog tomorrow.

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[Bug build/28500] Failure to find libgmp

[pinskia at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

--- Comment #19 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Submitted:
https://sourceware.org/pipermail/gdb-patches/2022-November/193581.html

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[Bug build/28500] Failure to find libgmp

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

--- Comment #20 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Andrew Pinski <pinskia@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=991180627851801f1999d1ebbc0e569a17e47c74

commit 991180627851801f1999d1ebbc0e569a17e47c74
Author: Andrew Pinski <apinski@marvell.com>
Date:   Tue Nov 8 07:57:18 2022 +0000

    Use toplevel configure for GMP and MPFR for gdb

    This patch uses the toplevel configure parts for GMP/MPFR for
    gdb. The only thing is that gdb now requires MPFR for building.
    Before it was a recommended but not required library.
    Also this allows building of GMP and MPFR with the toplevel
    directory just like how it is done for GCC.
    We now error out in the toplevel configure of the version
    of GMP and MPFR that is wrong.

    OK after GDB 13 branches? Build gdb 3 ways:
    with GMP and MPFR in the toplevel (static library used at that point for
both)
    With only MPFR in the toplevel (GMP distro library used and MPFR built from
source)
    With neither GMP and MPFR in the toplevel (distro libraries used)

    Changes from v1:
    * Updated gdb/README and gdb/doc/gdb.texinfo.
    * Regenerated using unmodified autoconf-2.69

    Thanks,
    Andrew Pinski

    ChangeLog:
            * Makefile.def: Add configure-gdb dependencies
            on all-gmp and all-mpfr.
            * configure.ac: Split out MPC checking from MPFR.
            Require GMP and MPFR if the gdb directory exist.
            * Makefile.in: Regenerate.
            * configure: Regenerate.

    gdb/ChangeLog:

            PR bug/28500
            * configure.ac: Remove AC_LIB_HAVE_LINKFLAGS
            for gmp and mpfr.
            Use GMPLIBS and GMPINC which is provided by the
            toplevel configure.
            * Makefile.in (LIBGMP, LIBMPFR): Remove.
            (GMPLIBS, GMPINC): Add definition.
            (INTERNAL_CFLAGS_BASE): Add GMPINC.
            (CLIBS): Exchange LIBMPFR and LIBGMP
            for GMPLIBS.
            * target-float.c: Make the code conditional on
            HAVE_LIBMPFR unconditional.
            * top.c: Remove code checking HAVE_LIBMPFR.
            * configure: Regenerate.
            * config.in: Regenerate.
            * README: Update GMP/MPFR section of the config
            options.
            * doc/gdb.texinfo: Likewise.

    Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=28500

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[Bug build/28500] Failure to find libgmp

[pinskia at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28500

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |14.1
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #21 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Fixed for GDB 14.

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