Add --warn-drop-version option; by default, do not warn when discarding version info.
gold/ PR gold/23455 * options.h (General_options): Add --warn-drop-version option. * symtab.cc (Symbol_table::set_dynsym_indexes): Check it.
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@ -1,3 +1,9 @@
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2018-08-06 Cary Coutant <ccoutant@gmail.com>
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PR gold/23455
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* options.h (General_options): Add --warn-drop-version option.
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* symtab.cc (Symbol_table::set_dynsym_indexes): Check it.
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2018-08-06 Cary Coutant <ccoutant@gmail.com>
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* target.h (Sized_target::record_gnu_property): Change first two
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@ -1361,6 +1361,10 @@ class General_options
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DEFINE_bool_ignore(warn_constructors, options::TWO_DASHES, '\0',
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N_("Ignored"), N_("Ignored"));
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DEFINE_bool(warn_drop_version, options::TWO_DASHES, '\0', false,
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N_("Warn when discarding version information"),
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N_("Do not warn when discarding version information"));
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DEFINE_bool(warn_execstack, options::TWO_DASHES, '\0', false,
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N_("Warn if the stack is executable"),
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N_("Do not warn if the stack is executable"));
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@ -2623,6 +2623,7 @@ Symbol_table::set_dynsym_indexes(unsigned int index,
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versions->record_version(this, dynpool, sym);
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else
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{
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if (parameters->options().warn_drop_version())
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gold_warning(_("discarding version information for "
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"%s@%s, defined in unused shared library %s "
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"(linked with --as-needed)"),
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