[clang] xrOS always uses -platform-version

Author: JDevlieghere

clang/lib/Driver/ToolChains/Darwin.cpp

@@ -219,7 +219,8 @@ static bool shouldLinkerNotDedup(bool IsLinkerOnlyAction, const ArgList &Args) {
 void darwin::Linker::AddLinkArgs(Compilation &C, const ArgList &Args,
                                  ArgStringList &CmdArgs,
                                  const InputInfoList &Inputs,
-                                 VersionTuple Version, bool LinkerIsLLD) const {
+                                 VersionTuple Version, bool LinkerIsLLD,
+                                 bool UsePlatformVersion) const {
   const Driver &D = getToolChain().getDriver();
   const toolchains::MachO &MachOTC = getMachOToolChain();
 
@@ -355,7 +356,7 @@ void darwin::Linker::AddLinkArgs(Compilation &C, const ArgList &Args,
   Args.AddAllArgs(CmdArgs, options::OPT_init);
 
   // Add the deployment target.
-  if (Version >= VersionTuple(520) || LinkerIsLLD)
+  if (Version >= VersionTuple(520) || LinkerIsLLD || UsePlatformVersion)
     MachOTC.addPlatformVersionArgs(Args, CmdArgs);
   else
     MachOTC.addMinVersionArgs(Args, CmdArgs);
@@ -596,9 +597,13 @@ void darwin::Linker::ConstructJob(Compilation &C, const JobAction &JA,
   const char *Exec =
       Args.MakeArgString(getToolChain().GetLinkerPath(&LinkerIsLLD));
 
+  // xrOS always uses -platform-version.
+  bool UsePlatformVersion = getToolChain().getTriple().isXROS();
+
   // I'm not sure why this particular decomposition exists in gcc, but
   // we follow suite for ease of comparison.
-  AddLinkArgs(C, Args, CmdArgs, Inputs, Version, LinkerIsLLD);
+  AddLinkArgs(C, Args, CmdArgs, Inputs, Version, LinkerIsLLD,
+              UsePlatformVersion);
 
   if (willEmitRemarks(Args) &&
       checkRemarksOptions(getToolChain().getDriver(), Args,

clang/lib/Driver/ToolChains/Darwin.h

@@ -65,7 +65,7 @@ class LLVM_LIBRARY_VISIBILITY Linker : public MachOTool {
   void AddLinkArgs(Compilation &C, const llvm::opt::ArgList &Args,
                    llvm::opt::ArgStringList &CmdArgs,
                    const InputInfoList &Inputs, VersionTuple Version,
-                   bool LinkerIsLLD) const;
+                   bool LinkerIsLLD, bool UsePlatformVersion) const;
 
 public:
   Linker(const ToolChain &TC) : MachOTool("darwin::Linker", "linker", TC) {}