1 files changed, 0 insertions, 17 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 7413ae2601d..edfee213994 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -39,9 +39,6 @@
 #include <memory>
 #include <sys/stat.h>
 #include <system_error>
-#if LLVM_ON_UNIX
-#include <unistd.h> // for gethostname()
-#endif
 using namespace clang;
 
 //===----------------------------------------------------------------------===//
@@ -2028,20 +2025,6 @@ std::string CompilerInvocation::getModuleHash() const {
     }
   }
 
-#if LLVM_ON_UNIX
-  // The LockFileManager cannot tell when processes from another host are
-  // running, so mangle the hostname in to the module hash to separate them.
-  char hostname[256];
-  hostname[0] = 0;
-  if (gethostname(hostname, 255) == 0) {
-    // Forcibly null-terminate the result, since POSIX doesn't require that
-    // truncation result in an error or that truncated names be null-terminated.
-    hostname[sizeof(hostname)-1] = 0;
-    code = hash_combine(code, StringRef(hostname));
-  }
-  // Ignore failures in gethostname() by not including the hostname in the hash.
-#endif
-
   return llvm::APInt(64, code).toString(36, /*Signed=*/false);
 }