# Tools.cpp |    5 ++++-
# 1 file changed, 4 insertions(+), 1 deletion(-)
# svn status
M       contrib/llvm/tools/clang/lib/Driver/Tools.cpp

Index: contrib/llvm/tools/clang/lib/Driver/Tools.cpp
===================================================================
--- contrib/llvm/tools/clang/lib/Driver/Tools.cpp	(revision 289673)
+++ contrib/llvm/tools/clang/lib/Driver/Tools.cpp	(working copy)
@@ -7371,8 +7371,11 @@ void freebsd::Linker::ConstructJob(Compi
       ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
       if (Args.hasArg(options::OPT_pg))
         CmdArgs.push_back("-lm_p");
-      else
+      else {
+        CmdArgs.push_back("--as-needed");
         CmdArgs.push_back("-lm");
+        CmdArgs.push_back("--no-as-needed");
+      }
     }
     if (NeedsSanitizerDeps)
       linkSanitizerRuntimeDeps(ToolChain, CmdArgs);