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From 83d5085a7fcbb4596d964dbe037c5ebf4de02b69 Mon Sep 17 00:00:00 2001
From: Keno Fischer <keno@alumni.harvard.edu>
Date: Sun, 23 Jun 2019 00:29:59 +0000
Subject: [PATCH] [Support] Fix build under Emscripten
Summary:
Emscripten's libc doesn't define MNT_LOCAL, thus causing a build
failure in the fallback path. However, to the best of my knowledge,
it also doesn't support remote file system mounts, so we may simply
return `true` here (as we do for e.g. Fuchsia). With this fix, the
core LLVM libraries build correctly under emscripten (though some
of the tools and utils do not).
Reviewers: kripken
Differential Revision: https://reviews.llvm.org/D63688
llvm-svn: 364143
(cherry picked from commit 5f4ae7c45718618c4c571495e7d910d5722f70ad)
---
llvm/lib/Support/Unix/Path.inc | 3 +++
1 file changed, 3 insertions(+)
diff --git a/lib/Support/Unix/Path.inc b/lib/Support/Unix/Path.inc
index d7cc0d627d0..eb38a71fffb 100644
--- a/lib/Support/Unix/Path.inc
+++ b/lib/Support/Unix/Path.inc
@@ -398,6 +398,9 @@ static bool is_local_impl(struct STATVFS &Vfs) {
#elif defined(__Fuchsia__)
// Fuchsia doesn't yet support remote filesystem mounts.
return true;
+#elif defined(__EMSCRIPTEN__)
+ // Emscripten doesn't currently support remote filesystem mounts.
+ return true;
#elif defined(__HAIKU__)
// Haiku doesn't expose this information.
return false;
--
2.24.0
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