From 4967c5ff6ba96b27ad1d855b3b32712c0fc3dfcf Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Mon, 4 Mar 2024 22:24:12 +0100
Subject: [PATCH] Fix macOS build

---
 src/libutil/posix-source-accessor.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/libutil/posix-source-accessor.cc b/src/libutil/posix-source-accessor.cc
index e91943c4c..41c2db59a 100644
--- a/src/libutil/posix-source-accessor.cc
+++ b/src/libutil/posix-source-accessor.cc
@@ -85,9 +85,11 @@ bool PosixSourceAccessor::pathExists(const CanonPath & path)
 
 std::optional<struct stat> PosixSourceAccessor::cachedLstat(const CanonPath & path)
 {
-    static Sync<std::unordered_map<std::filesystem::path, std::optional<struct stat>>> _cache;
+    static Sync<std::unordered_map<Path, std::optional<struct stat>>> _cache;
 
-    auto absPath = makeAbsPath(path);
+    // Note: we convert std::filesystem::path to Path because the
+    // former is not hashable on libc++.
+    Path absPath = makeAbsPath(path);
 
     {
         auto cache(_cache.lock());