[llvm] [clang] Hurd: Add x86_64 support (PR #78065)

[Samuel Thibault via cfe-commits]

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@@ -2477,7 +2477,7 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
       "x86_64-redhat-linux",    "x86_64-suse-linux",
       "x86_64-manbo-linux-gnu", "x86_64-linux-gnu",
       "x86_64-slackware-linux", "x86_64-unknown-linux",
-      "x86_64-amazon-linux"};
+      "x86_64-amazon-linux",    "x86_64-gnu"};
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sthibaul wrote:

That was it indeed, I have replaced with some code.

It's not debian that picked it up, but the GNU toolchains (GNU/Hurd was supposed to be the "pure GNU" system).

https://github.com/llvm/llvm-project/pull/78065