diff options
| -rw-r--r-- | clang/lib/Frontend/CompilerInvocation.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index f8d71acd329..eef0535265f 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -2021,6 +2021,16 @@ 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[255] = 0; + hostname[0] = 0; + gethostname(hostname, 255); + code = hash_combine(code, StringRef(hostname)); +#endif + return llvm::APInt(64, code).toString(36, /*Signed=*/false); } |
