by users in their own code regardless of this option." OFF)
option(LIBCXX_ENABLE_SHARED "Build libc++ as a shared library." ON)
option(LIBCXX_ENABLE_STATIC "Build libc++ as a static library." ON)
-set(ENABLE_FILESYSTEM_DEFAULT ON)
-if (WIN32 AND NOT MINGW)
- # Filesystem is buildable for windows, but it requires __int128 helper
- # functions, that currently are provided by libgcc or compiler_rt builtins.
- # These are available in MinGW environments, but not currently in MSVC
- # environments.
- set(ENABLE_FILESYSTEM_DEFAULT OFF)
-endif()
-option(LIBCXX_ENABLE_FILESYSTEM "Build filesystem as part of the main libc++ library"
- ${ENABLE_FILESYSTEM_DEFAULT})
+option(LIBCXX_ENABLE_FILESYSTEM "Build filesystem as part of the main libc++ library" ON)
option(LIBCXX_INCLUDE_TESTS "Build the libc++ tests." ${LLVM_INCLUDE_TESTS})
option(LIBCXX_ENABLE_DEBUG_MODE
"Whether to build libc++ with the debug mode enabled.
# define _LIBCPP_PREFERRED_OVERLOAD __attribute__((__enable_if__(true, "")))
# endif
-# ifndef __SIZEOF_INT128__
+#if !defined(__SIZEOF_INT128__) || defined(_MSC_VER)
# define _LIBCPP_HAS_NO_INT128
# endif
}
function generate-cmake-libcxx-win() {
- # TODO: Clang-cl in MSVC configurations don't have access to compiler_rt
- # builtins helpers for int128 division. See
- # https://reviews.llvm.org/D91139#2429595 for a comment about longterm
- # intent for handling the issue. In the meantime, define
- # -D_LIBCPP_HAS_NO_INT128 (both when building the library itself and
- # when building tests) to allow enabling filesystem for running tests,
- # even if it uses a non-permanent ABI.
generate-cmake-base \
-DLLVM_ENABLE_RUNTIMES="libcxx" \
-DCMAKE_C_COMPILER=clang-cl \
-DCMAKE_CXX_COMPILER=clang-cl \
- -DLIBCXX_ENABLE_FILESYSTEM=YES \
- -DLIBCXX_EXTRA_SITE_DEFINES="_LIBCPP_HAS_NO_INT128" \
"${@}"
}