Swich to the new mach-o support for C++ linking

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

src/CppParser/CppParser.cpp

@@ -95,12 +95,16 @@ LinkerOptions::LinkerOptions(const char* Triple)
 
     case llvm::Triple::OSType::Darwin:
     case llvm::Triple::OSType::MacOSX:
-        addArguments("-lc++");
+        addArguments("-arch");
-        addArguments("-lSystem");
+        addArguments("x86_64");
-        addArguments("-dylib");
+        addArguments("-platform_version");
-        addArguments("-sdk_version");
+        addArguments("macos");
+        addArguments("10.12.0");
         addArguments("10.12.0");
+        addArguments("-dylib");
         addArguments("-L/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib");
+        addArguments("-lc++");
+        addArguments("-lSystem");
         addArguments("-rpath");
         addArguments(".");
         break;
@@ -144,4 +148,4 @@ ParserDiagnostic::ParserDiagnostic(const ParserDiagnostic& rhs)
 
 ParserDiagnostic::~ParserDiagnostic() {}
 
-} }
+} }

src/CppParser/Link.cpp

@@ -147,14 +147,21 @@ void Parser::LinkELF(const LinkerOptions* LinkerOptions,
 #endif
 }
 
+bool linked = false;
+
 void Parser::LinkMachO(const LinkerOptions* LinkerOptions,
     std::vector<const char*>& args,
     llvm::StringRef& Dir, llvm::StringRef& Stem)
 {
+    if (linked)
+    {
+        return;
+    }
+    linked = true;
 #ifdef __APPLE__
     using namespace llvm;
 
-    args.push_back("-flavor darwinnew");
+    args.push_back("-flavor darwin");
     for (const std::string& Arg : LinkerOptions->Arguments)
     {
         args.push_back(Arg.data());
@@ -182,6 +189,6 @@ void Parser::LinkMachO(const LinkerOptions* LinkerOptions,
     std::string Out(Output);
     args.push_back(Out.data());
 
-    lld::mach_o::link(args, false, outs(), errs());
+    lld::macho::link(args, false, outs(), errs());
 #endif
-}
+}