Extend "ld --unique" functionality.

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

diff --git a/ld/lexsup.c b/ld/lexsup.c
index 51ffc4476152ff69c92a8b591f4ce4e70db9a7c4..f9ef8058d8d117c88f118458ff75acf7c7cd8caa 100644 (file)
--- a/ld/lexsup.c
+++ b/ld/lexsup.c
@@ -236,8 +236,8 @@ static const struct ld_option ld_options[] =
       'T', N_("FILE"), N_("Read linker script"), TWO_DASHES },
   { {"undefined", required_argument, NULL, 'u'},
       'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"), TWO_DASHES },
-  { {"unique", no_argument, NULL, OPTION_UNIQUE},
-      '\0', NULL, N_("Don't merge orphan sections with the same name"), TWO_DASHES },
+  { {"unique", optional_argument, NULL, OPTION_UNIQUE},
+      '\0', N_("[=SECTION]"), N_("Don't merge input [SECTION | orphan] sections"), TWO_DASHES },
   { {"Ur", no_argument, NULL, OPTION_UR},
       '\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH },
   { {"version", no_argument, NULL, OPTION_VERSION},
@@ -965,7 +965,10 @@ parse_args (argc, argv)
          ldlang_add_undef (optarg);
          break;
        case OPTION_UNIQUE:
-         config.unique_orphan_sections = true;
+         if (optarg != NULL)
+           lang_add_unique (optarg);
+         else
+           config.unique_orphan_sections = true;
          break;
        case OPTION_VERBOSE:
          ldversion (1);