appleclang 10.01 does not have <filesystem>
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MODIFY
CMakeLists.txt
CMakeLists.txt
@@ -11,7 +11,7 @@ elseif(CMAKE_CXX_COMPILER_ID MATCHES "AppleClang")
if(NOT VCPKG_ALLOW_APPLE_CLANG)
message(FATAL_ERROR
"Building the vcpkg tool requires support for the C++ Filesystem TS.
-Apple clang versions 9 and below do not have support for it.
+Apple clang versions 10.01 and below do not have support for it.
Please install gcc6 or newer from homebrew (brew install gcc6).
If you would like to try anyway, pass --allowAppleClang to bootstrap.sh.")
else()

appleclang 10.01 does not have <filesystem> (#6413)

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