From 5bf8bed95858fd84de813f27a011156fd9ae7898 Mon Sep 17 00:00:00 2001
From: Eric Fiselier <eric@efcs.ca>
Date: Thu, 20 Apr 2017 04:24:29 +0000
Subject: Disable the filesystem library on Windows by default

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@300820 91177308-0d34-0410-b5e6-96231b3b80d8
---
 CMakeLists.txt | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e2ee1e52d..d3bd53339 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -64,8 +64,12 @@ option(LIBCXX_ENABLE_ASSERTIONS "Enable assertions independent of build mode." O
 option(LIBCXX_ENABLE_SHARED "Build libc++ as a shared library." ON)
 option(LIBCXX_ENABLE_STATIC "Build libc++ as a static library." ON)
 option(LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY "Build libc++experimental.a" ON)
-option(LIBCXX_ENABLE_FILESYSTEM
-        "Build filesystem as part of libc++experimental.a" ${LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY})
+set(ENABLE_FILESYSTEM_DEFAULT ${LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY})
+if (WIN32)
+  set(ENABLE_FILESYSTEM_DEFAULT OFF)
+endif()
+option(LIBCXX_ENABLE_FILESYSTEM "Build filesystem as part of libc++experimental.a"
+    ${ENABLE_FILESYSTEM_DEFAULT})
 option(LIBCXX_INCLUDE_TESTS "Build the libc++ tests." ${LLVM_INCLUDE_TESTS})
 
 # Benchmark options -----------------------------------------------------------
-- 
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