Check symbols with undefine version.

[thirdparty/binutils-gdb.git] / ld / lexsup.c

diff --git a/ld/lexsup.c b/ld/lexsup.c
index ddaf692935f39d58d0e50fee426bfcc992a32063..4acb4fd6a94b5ada83bc30fc01cd905eab55481f 100644 (file)
--- a/ld/lexsup.c
+++ b/ld/lexsup.c
@@ -127,7 +127,8 @@ int parsing_defsym = 0;
 #define OPTION_TARGET_HELP              (OPTION_UNIQUE + 1)
 #define OPTION_ALLOW_SHLIB_UNDEFINED   (OPTION_TARGET_HELP + 1)
 #define OPTION_ALLOW_MULTIPLE_DEFINITION (OPTION_ALLOW_SHLIB_UNDEFINED + 1)
-#define OPTION_DISCARD_NONE            (OPTION_ALLOW_MULTIPLE_DEFINITION + 1)
+#define OPTION_NO_UNDEFINED_VERSION    (OPTION_ALLOW_MULTIPLE_DEFINITION + 1)
+#define OPTION_DISCARD_NONE            (OPTION_NO_UNDEFINED_VERSION + 1)
 #define OPTION_SPARE_DYNAMIC_TAGS      (OPTION_DISCARD_NONE + 1)
 #define OPTION_NO_DEFINE_COMMON                (OPTION_SPARE_DYNAMIC_TAGS + 1)
 #define OPTION_NOSTDLIB                        (OPTION_NO_DEFINE_COMMON + 1)
@@ -322,6 +323,8 @@ static const struct ld_option ld_options[] =
      '\0', NULL, N_("Allow undefined symbols in shared objects"), TWO_DASHES },
   { {"allow-multiple-definition", no_argument, NULL, OPTION_ALLOW_MULTIPLE_DEFINITION},
      '\0', NULL, N_("Allow multiple definitions"), TWO_DASHES },
+  { {"no-undefined-version", no_argument, NULL, OPTION_NO_UNDEFINED_VERSION},
+     '\0', NULL, N_("Disallow undefined version"), TWO_DASHES },
   { {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH},
       '\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES},
   { {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
@@ -767,6 +770,9 @@ parse_args (argc, argv)
        case OPTION_ALLOW_MULTIPLE_DEFINITION:
          link_info.allow_multiple_definition = true;
          break;
+       case OPTION_NO_UNDEFINED_VERSION:
+         link_info.allow_undefined_version = false;
+         break;
        case OPTION_NO_WARN_MISMATCH:
          command_line.warn_mismatch = false;
          break;