[Bug shlibs/13157] New: fsf gdb x86_64-apple-darwin cannot load"Mach-O fat file with 2 architectures" executables

["ehsan.akhgari at gmail dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=13157

             Bug #: 13157
           Summary: fsf gdb x86_64-apple-darwin cannot load "Mach-O fat
                    file with 2 architectures" executables
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: shlibs
        AssignedTo: unassigned@sourceware.org
        ReportedBy: ehsan.akhgari@gmail.com
    Classification: Unclassified


I grabbed the gdb trunk and built it using ./configure && make.  It cannot load
Universal binaries:

ehsanakhgari:~/src/gdb/objdir (master) [02:13:23]$ file /bin/ls ./gdb/gdb
/bin/ls:   Mach-O fat file with 2 architectures
./gdb/gdb: Mach-O 64-bit executable
ehsanakhgari:~/src/gdb/objdir (master) [02:16:48]$ ./gdb/gdb /bin/ls
GNU gdb (GDB) 7.3.50.20110906-cvs
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-apple-darwin10".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
"/bin/ls": not in executable format: File format not recognized
(gdb) quit
ehsanakhgari:~/src/gdb/objdir (master) [02:17:05]$ ./gdb/gdb ./gdb/gdb
GNU gdb (GDB) 7.3.50.20110906-cvs
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-apple-darwin10".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /Users/ehsanakhgari/src/gdb/objdir/gdb/gdb...
warning: can't find section '*UND*' in OSO file
/Users/ehsanakhgari/src/gdb/objdir/gdb/../libiberty/libiberty.a(safe-ctype.o)

warning: can't find section '*UND*' in OSO file
/Users/ehsanakhgari/src/gdb/objdir/gdb/libgdb.a(version.o)

warning: can't find section '*UND*' in OSO file
/Users/ehsanakhgari/src/gdb/objdir/gdb/libgdb.a(xml-builtin.o)
done.
(gdb) quit

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