intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 239 insertions, 0 deletions

diff --git a/contrib/libs/cxxsupp/libcxx/ya.make b/contrib/libs/cxxsupp/libcxx/ya.make
new file mode 100644
index 0000000000..15403fe6d5
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/ya.make
@@ -0,0 +1,239 @@
+LIBRARY()
+
+LICENSE(
+    Apache-2.0 AND
+    Apache-2.0 WITH LLVM-exception AND
+    BSD-2-Clause AND
+    MIT AND
+    NCSA
+)
+
+LICENSE_TEXTS(.yandex_meta/licenses.list.txt)
+
+VERSION(2021-04-02-7959d59028dd126416cdf10dbbd22162922e1336)
+
+OWNER(
+    halyavin
+    somov
+    g:cpp-committee
+    g:cpp-contrib
+)
+
+ADDINCL(
+    GLOBAL contrib/libs/cxxsupp/libcxx/include
+)
+
+CXXFLAGS(-D_LIBCPP_BUILDING_LIBRARY)
+
+IF (OS_ANDROID)
+    DEFAULT(CXX_RT "default")
+    IF (ARCH_I686 OR ARCH_ARM7)
+        # 32-bit architectures require additional libandroid_support.so to be linked
+        # We add --start-group / --end-group statements due to the issue in NDK < r22.
+        # See: https://github.com/android/ndk/issues/1130
+        #
+        # Though these statements are not respected by LLD, they might have sense for other linkers.
+        LDFLAGS(
+            -Wl,--start-group
+            -lc++abi
+            -landroid_support
+            -Wl,--end-group
+        )
+    ELSE()
+        LDFLAGS(-lc++abi)
+    ENDIF()
+    CFLAGS(
+        -DLIBCXX_BUILDING_LIBCXXABI
+    )
+ELSEIF (OS_IOS)
+    # Take cxxabi implementation from system.
+    LDFLAGS(-lc++abi)
+    CFLAGS(
+        -DLIBCXX_BUILDING_LIBCXXABI
+    )
+    # Yet take builtins library from Arcadia
+    PEERDIR(
+        contrib/libs/cxxsupp/builtins
+    )
+ELSEIF (CLANG OR MUSL OR OS_DARWIN OR USE_LTO)
+    IF (ARCH_ARM7)
+        # XXX: libcxxrt support for ARM is currently broken
+        DEFAULT(CXX_RT "glibcxx_static")
+        # ARM7 OS_SDK has old libstdc++ without aligned allocation support
+        CFLAGS(
+            GLOBAL -fno-aligned-new
+        )
+    ELSE()
+        DEFAULT(CXX_RT "libcxxrt")
+    ENDIF()
+    IF (MUSL)
+        PEERDIR(
+            contrib/libs/musl/include
+        )
+    ENDIF()
+ELSEIF (OS_WINDOWS)
+    SRCS(
+        src/support/win32/locale_win32.cpp
+        src/support/win32/support.cpp
+        src/support/win32/atomic_win32.cpp
+        src/support/win32/new_win32.cpp
+        src/support/win32/thread_win32.cpp
+    )
+    CFLAGS(
+        GLOBAL -D_LIBCPP_VASPRINTF_DEFINED
+        GLOBAL -D_WCHAR_H_CPLUSPLUS_98_CONFORMANCE_
+    )
+    IF (CLANG_CL)
+        PEERDIR(
+            contrib/libs/cxxsupp/builtins
+        )
+    ENDIF()
+ELSE()
+    DEFAULT(CXX_RT "glibcxx_static")
+    CXXFLAGS(
+        -Wno-unknown-pragmas
+        -nostdinc++
+    )
+ENDIF()
+
+IF (OS_LINUX)
+    EXTRALIBS(-lpthread)
+ENDIF()
+
+IF (CLANG)
+    CFLAGS(
+        GLOBAL -nostdinc++
+    )
+ENDIF()
+
+# The CXX_RT variable controls which C++ runtime is used.
+# * libcxxrt        - https://github.com/pathscale/libcxxrt library stored in Arcadia
+# * glibcxx         - GNU C++ Library runtime with default (static) linkage
+# * glibcxx_static  - GNU C++ Library runtime with static linkage
+# * glibcxx_dynamic - GNU C++ Library runtime with dynamic linkage
+# * glibcxx_driver  - GNU C++ Library runtime provided by the compiler driver
+# * default         - default C++ runtime provided by the compiler driver
+#
+# All glibcxx* runtimes are taken from system/compiler SDK
+
+DEFAULT(CXX_RT "default")
+
+DISABLE(NEED_GLIBCXX_CXX17_SHIMS)
+
+IF (CXX_RT == "libcxxrt")
+    PEERDIR(
+        contrib/libs/cxxsupp/libcxxabi-parts
+        contrib/libs/cxxsupp/libcxxrt
+        contrib/libs/cxxsupp/builtins
+    )
+    ADDINCL(
+        contrib/libs/cxxsupp/libcxxrt
+    )
+    CFLAGS(
+        GLOBAL -DLIBCXX_BUILDING_LIBCXXRT
+    )
+    # These builtins are equivalent to clang -rtlib=compiler_rt and
+    # are needed by potentially any code generated by clang.
+    # With glibcxx runtime, builtins are provided by libgcc
+ELSEIF (CXX_RT == "glibcxx" OR CXX_RT == "glibcxx_static")
+    LDFLAGS(
+        -Wl,-Bstatic
+        -lsupc++
+        -lgcc
+        -lgcc_eh
+        -Wl,-Bdynamic
+    )
+    CXXFLAGS(-D__GLIBCXX__=1)
+    ENABLE(NEED_GLIBCXX_CXX17_SHIMS)
+    CFLAGS(
+        GLOBAL -DLIBCXX_BUILDING_LIBGCC
+    )
+ELSEIF (CXX_RT == "glibcxx_dynamic")
+    LDFLAGS(
+        -lgcc_s
+        -lstdc++
+    )
+    CXXFLAGS(-D__GLIBCXX__=1)
+    CFLAGS(
+        GLOBAL -DLIBCXX_BUILDING_LIBGCC
+    )
+    ENABLE(NEED_GLIBCXX_CXX17_SHIMS)
+ELSEIF (CXX_RT == "glibcxx_driver")
+    CXXFLAGS(-D__GLIBCXX__=1)
+ELSEIF (CXX_RT == "default")
+    # Do nothing
+ELSE()
+    MESSAGE(FATAL_ERROR "Unexpected CXX_RT value: ${CXX_RT}")
+ENDIF()
+
+IF (NEED_GLIBCXX_CXX17_SHIMS)
+    IF (GCC)
+        # Assume GCC is bundled with a modern enough version of C++ runtime
+    ELSEIF (OS_SDK == "ubuntu-12" OR OS_SDK == "ubuntu-14" OR OS_SDK == "ubuntu-16")
+        # Prior to ubuntu-18, system C++ runtime for C++17 is incomplete
+        SRCS(
+            glibcxx_eh_cxx17.cpp
+        )
+    ENDIF()
+ENDIF()
+
+NO_UTIL()
+
+NO_RUNTIME()
+
+NO_COMPILER_WARNINGS()
+
+IF (FUZZING)
+    NO_SANITIZE()
+    NO_SANITIZE_COVERAGE()
+ENDIF()
+
+SRCS(
+    src/algorithm.cpp
+    src/any.cpp
+    src/atomic.cpp
+    src/barrier.cpp
+    src/bind.cpp
+    src/charconv.cpp
+    src/chrono.cpp
+    src/condition_variable.cpp
+    src/condition_variable_destructor.cpp
+    src/debug.cpp
+    src/exception.cpp
+    src/filesystem/directory_iterator.cpp
+    src/filesystem/operations.cpp
+    src/format.cpp
+    src/functional.cpp
+    src/future.cpp
+    src/hash.cpp
+    src/ios.cpp
+    src/ios.instantiations.cpp
+    src/iostream.cpp
+    src/locale.cpp
+    src/memory.cpp
+    src/mutex.cpp
+    src/mutex_destructor.cpp
+    src/optional.cpp
+    src/random.cpp
+    src/random_shuffle.cpp
+    src/regex.cpp
+    src/shared_mutex.cpp
+    src/stdexcept.cpp
+    src/string.cpp
+    src/strstream.cpp
+    src/system_error.cpp
+    src/thread.cpp
+    src/typeinfo.cpp
+    src/utility.cpp
+    src/valarray.cpp
+    src/variant.cpp
+    src/vector.cpp
+)
+
+IF (NOT OS_WINDOWS)
+    SRCS(
+        src/new.cpp
+    )
+ENDIF()
+
+END()