From 2dfebb66fcae8625c2462e5e81d6572b97ebd73c Mon Sep 17 00:00:00 2001
From: kristina <notstina@gmail.com>
Date: Fri, 1 Nov 2019 17:27:24 +0000
Subject: [PATCH] [Support] Use /proc/self/exe for GNU Hurd

Use `/proc/self/exe` to get the current executable
path on GNU Hurd.

Patch by sthibaul (Samuel Thibault)

Differential Revision: https://reviews.llvm.org/D69683
---
 lib/Support/Unix/Path.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Support/Unix/Path.inc b/lib/Support/Unix/Path.inc
index a617eca3566..b86766d4bc4 100644
--- a/lib/Support/Unix/Path.inc
+++ b/lib/Support/Unix/Path.inc
@@ -203,7 +203,7 @@ std::string getMainExecutable(const char *argv0, void *MainAddr) {
   // If we don't have procfs mounted, fall back to argv[0]
   if (getprogpath(exe_path, argv0) != NULL)
     return exe_path;
-#elif defined(__linux__) || defined(__CYGWIN__)
+#elif defined(__linux__) || defined(__CYGWIN__) || defined(__gnu_hurd__)
   char exe_path[MAXPATHLEN];
   const char *aPath = "/proc/self/exe";
   if (sys::fs::exists(aPath)) {