Accept -allow-shlib-undefined in addition to --allow-shlib-undefined.

GNU LD accepts both. CMake seems to use the former than the latter.

llvm-svn: 227144

diff --git a/lld/lib/Driver/GnuLdOptions.td b/lld/lib/Driver/GnuLdOptions.td
index 4385c82..155aa13 100644 (file)
--- a/lld/lib/Driver/GnuLdOptions.td
+++ b/lld/lib/Driver/GnuLdOptions.td
@@ -199,7 +199,7 @@ def no_allow_shlib_undefs : Flag<["--"], "no-allow-shlib-undefined">,
      HelpText<"Do not allow undefined symbols from dynamic"
               " library when creating executables">,
      Group<grp_resolveropt>;
-def allow_shlib_undefs : Flag<["--"], "allow-shlib-undefined">,
+def allow_shlib_undefs : Flag<["-", "--"], "allow-shlib-undefined">,
      HelpText<"Allow undefined symbols from dynamic"
              " library when creating executables">,
      Group<grp_resolveropt>;