[Bug build/14628] New: Inconsistent multi-arch setting

[Bug build/14628] New: Inconsistent multi-arch setting

[hjl.tools at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=14628

             Bug #: 14628
           Summary: Inconsistent multi-arch setting
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: build
        AssignedTo: unassigned@sourceware.org
        ReportedBy: hjl.tools@gmail.com
                CC: carlos@systemhalted.org
    Classification: Unclassified


When --enable-multi-arch isn't used, we get

# grep multi-arch config.make 
multi-arch = default
# grep USE_MULTIARCH config.h 
#define USE_MULTIARCH 1

due to

# If the assembler supports gnu_indirect_function symbol type and the
# architecture supports multi-arch, we enable multi-arch by default.
case $sysnames_add_ons$sysnames in
*"$multi_arch_d"*)
  ;;
*)
  test x"$multi_arch" = xdefault && multi_arch=no
  ;;
esac
if test x"$multi_arch" != xno; then 
  AC_DEFINE(USE_MULTIARCH)
fi
AC_SUBST(multi_arch)

in configure.in.

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[Bug build/14628] Inconsistent multi-arch setting

[schwab@linux-m68k.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=14628

--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> 2012-09-26 14:02:15 UTC ---
Which is wrong in which way?

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[Bug build/14628] Inconsistent multi-arch setting

[hjl.tools at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=14628

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2012-09-26 14:05:42 UTC ---
What does "default" mean? It it "yes" or "no"?

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[Bug build/14628] Inconsistent multi-arch setting

[schwab@linux-m68k.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=14628

--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> 2012-09-26 14:48:52 UTC ---
It is not no, which is all that matters.

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[Bug build/14628] Inconsistent multi-arch setting

[hjl.tools at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=14628

--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> 2012-09-26 14:57:55 UTC ---
(In reply to comment #3)
> It is not no, which is all that matters.

When multi-arch isn't supported for any reason, if
--enable-multi-arch nor --disable-multi-arch are used, you will get

multi-arch = default

in config.make.  Setting multi-arch to default doesn't tell if
multi-arch is used or not.

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[Bug build/14628] Inconsistent multi-arch setting

[schwab@linux-m68k.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=14628

--- Comment #5 from Andreas Schwab <schwab@linux-m68k.org> 2012-09-26 15:09:45 UTC ---
If muti-arch is not supported then it is set to no, always.

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[Bug build/14628] Inconsistent multi-arch setting

[hjl.tools at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=14628

--- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> 2012-09-26 15:28:47 UTC ---
(In reply to comment #5)
> If muti-arch is not supported then it is set to no, always.

Then setting muti-arch to yes makes it more clear.

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[Bug build/14628] Inconsistent multi-arch setting

[schwab@linux-m68k.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=14628

--- Comment #7 from Andreas Schwab <schwab@linux-m68k.org> 2012-09-26 15:42:25 UTC ---
No, it removes information.

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[Bug build/14628] Inconsistent multi-arch setting

[hjl.tools at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=14628

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID

--- Comment #8 from H.J. Lu <hjl.tools at gmail dot com> 2012-09-26 17:44:59 UTC ---
Work as expected.

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[Bug build/14628] Inconsistent multi-arch setting

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=14628

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
              Flags|                            |security-

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