[Clang] Bypass distro detection on non-Linux hosts

Skip distro detection when we're not running on Linux, or when the target triple is not Linux. This saves a few OS calls for each invocation of clang.exe.

Differential Revision: https://reviews.llvm.org/D70467

1 files changed, 2 insertions, 2 deletions

diff --git a/clang/lib/Driver/ToolChains/Linux.cpp b/clang/lib/Driver/ToolChains/Linux.cpp
index 087783875ff..736a2d435ca 100644
--- a/clang/lib/Driver/ToolChains/Linux.cpp
+++ b/clang/lib/Driver/ToolChains/Linux.cpp
@@ -240,7 +240,7 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
                          .str());
   }
 
-  Distro Distro(D.getVFS());
+  Distro Distro(D.getVFS(), Triple);
 
   if (Distro.IsAlpineLinux() || Triple.isAndroid()) {
     ExtraOpts.push_back("-z");
@@ -511,7 +511,7 @@ std::string Linux::getDynamicLinker(const ArgList &Args) const {
   const llvm::Triple::ArchType Arch = getArch();
   const llvm::Triple &Triple = getTriple();
 
-  const Distro Distro(getDriver().getVFS());
+  const Distro Distro(getDriver().getVFS(), Triple);
 
   if (Triple.isAndroid())
     return Triple.isArch64Bit() ? "/system/bin/linker64" : "/system/bin/linker";