From 259db29f7d19a6e7ef3d81cfa15eafed79db407c Mon Sep 17 00:00:00 2001
From: LLVM Packaging Team <pkg-llvm-team@lists.alioth.debian.org>
Date: Sat, 15 Aug 2020 21:34:33 +0100
Subject: [PATCH] hurd-pathmax

===================================================================

Gbp-Pq: Topic hurd
Gbp-Pq: Name hurd-pathmax.diff
---
 clang/lib/Basic/FileManager.cpp                  | 6 ++++++
 clang/lib/Frontend/ModuleDependencyCollector.cpp | 5 +++++
 lldb/include/lldb/lldb-defines.h                 | 5 +++++
 polly/lib/External/ppcg/cuda_common.c            | 5 +++++
 tools/dsymutil/DwarfLinker.cpp                   | 5 +++++
 5 files changed, 26 insertions(+)

diff --git a/clang/lib/Basic/FileManager.cpp b/clang/lib/Basic/FileManager.cpp
index 01ec1d69c..976fa70e0 100644
--- a/clang/lib/Basic/FileManager.cpp
+++ b/clang/lib/Basic/FileManager.cpp
@@ -483,6 +483,12 @@ void FileManager::invalidateCache(const FileEntry *Entry) {
   UniqueRealFiles.erase(Entry->getUniqueID());
 }
 
+// For GNU Hurd
+#if defined(__GNU__) && !defined(PATH_MAX)
+# define PATH_MAX 4096
+#endif
+
+
 void FileManager::GetUniqueIDMapping(
                    SmallVectorImpl<const FileEntry *> &UIDToFiles) const {
   UIDToFiles.clear();
diff --git a/clang/lib/Frontend/ModuleDependencyCollector.cpp b/clang/lib/Frontend/ModuleDependencyCollector.cpp
index fa8efcc3b..0803fd6f1 100644
--- a/clang/lib/Frontend/ModuleDependencyCollector.cpp
+++ b/clang/lib/Frontend/ModuleDependencyCollector.cpp
@@ -99,6 +99,11 @@ struct ModuleDependencyMMCallbacks : public ModuleMapCallbacks {
 
 }
 
+// For GNU Hurd
+#if defined(__GNU__) && !defined(PATH_MAX)
+# define PATH_MAX 4096
+#endif
+
 // TODO: move this to Support/Path.h and check for HAVE_REALPATH?
 static bool real_path(StringRef SrcPath, SmallVectorImpl<char> &RealPath) {
 #ifdef LLVM_ON_UNIX
diff --git a/lldb/include/lldb/lldb-defines.h b/lldb/include/lldb/lldb-defines.h
index 8a54b4c44..7a3672481 100644
--- a/lldb/include/lldb/lldb-defines.h
+++ b/lldb/include/lldb/lldb-defines.h
@@ -28,6 +28,11 @@
 #define INT32_MAX 2147483647
 #endif
 
+// For GNU Hurd
+#if defined(__GNU__) && !defined(PATH_MAX)
+# define PATH_MAX 4096
+#endif
+
 #if !defined(UINT32_MAX)
 #define UINT32_MAX 4294967295U
 #endif
diff --git a/polly/lib/External/ppcg/cuda_common.c b/polly/lib/External/ppcg/cuda_common.c
index 497353f43..dd0690fb4 100644
--- a/polly/lib/External/ppcg/cuda_common.c
+++ b/polly/lib/External/ppcg/cuda_common.c
@@ -15,6 +15,11 @@
 #include "cuda_common.h"
 #include "ppcg.h"
 
+// For GNU Hurd
+#if defined(__GNU__) && !defined(PATH_MAX)
+# define PATH_MAX 4096
+#endif
+
 /* Open the host .cu file and the kernel .hu and .cu files for writing.
  * Add the necessary includes.
  */
diff --git a/tools/dsymutil/DwarfLinker.cpp b/tools/dsymutil/DwarfLinker.cpp
index 0743cfc3e..3941dbc66 100644
--- a/tools/dsymutil/DwarfLinker.cpp
+++ b/tools/dsymutil/DwarfLinker.cpp
@@ -101,6 +101,11 @@
 #include <utility>
 #include <vector>
 
+// For GNU Hurd
+#if defined(__GNU__) && !defined(PATH_MAX)
+# define PATH_MAX 4096
+#endif
+
 namespace llvm {
 namespace dsymutil {
 
-- 
2.30.2