[Bug binutils/13227] New: GCC now produce slim LTO files. Those can't be linked/archived or nm w/o plugin used. It would be useful to output diagnostics when user attempts so

[hubicka at gcc dot gnu.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=13227

             Bug #: 13227
           Summary: GCC now produce slim LTO files.  Those can't be
                    linked/archived or nm w/o plugin used.  It would be
                    useful to output diagnostics when user attempts so
           Product: binutils
           Version: 2.23 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: binutils
        AssignedTo: address@hidden
        ReportedBy: address@hidden
    Classification: Unclassified


The symbols are now marked as
address@hidden:~/trunk/build4/gcc$ nm t.o
0000000000000001 C __gnu_lto_v1
0000000000000001 C __gnu_slim_lto

When those symbols are present, it would be very useful if nm/ar/ld output
warning explaning that plugin needs to be used.

Honza

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