Revert "Remove external/libcxxabi in favor of prebuilt"

Revert submission 2675705-use-prebuilt-libcxx

Reason for revert: breaks some Android tests (b/337120479, b/337121737, b/337122511)

Reverted changes: /q/submissionid:2675705-use-prebuilt-libcxx

Bug: 337120479
Bug: 337121737
Bug: 337122511
Change-Id: I7ccd8bec435ffabf114012e028583840b966cd3b

1 files changed, 217 insertions, 0 deletions

diff --git a/Android.bp b/Android.bp
new file mode 100644
index 0000000..84794c5
--- /dev/null
+++ b/Android.bp
@@ -0,0 +1,217 @@
+//
+// Copyright (C) 2014 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+package {
+    default_applicable_licenses: ["external_libcxxabi_license"],
+}
+
+// Added automatically by a large-scale-change that took the approach of
+// 'apply every license found to every target'. While this makes sure we respect
+// every license restriction, it may not be entirely correct.
+//
+// e.g. GPL in an MIT project might only apply to the contrib/ directory.
+//
+// Please consider splitting the single license below into multiple licenses,
+// taking care not to lose any license_kind information, and overriding the
+// default license using the 'licenses: [...]' property on targets as needed.
+//
+// For unused files, consider creating a 'fileGroup' with "//visibility:private"
+// to attach the license to, and including a comment whether the files may be
+// used in the current project.
+//
+// large-scale-change included anything that looked like it might be a license
+// text as a license_text. e.g. LICENSE, NOTICE, COPYING etc.
+//
+// Please consider removing redundant or irrelevant files from 'license_text:'.
+// See: http://go/android-license-faq
+license {
+    name: "external_libcxxabi_license",
+    visibility: [":__subpackages__"],
+    license_kinds: [
+        "SPDX-license-identifier-Apache-2.0",
+        "SPDX-license-identifier-BSD",
+        "SPDX-license-identifier-MIT",
+        "SPDX-license-identifier-NCSA",
+    ],
+    license_text: [
+        "LICENSE.TXT",
+        "NOTICE",
+    ],
+}
+
+cc_defaults {
+    name: "libc++abi_defaults",
+    vendor_available: true,
+    product_available: true,
+    ramdisk_available: true,
+    vendor_ramdisk_available: true,
+    recovery_available: true,
+    native_bridge_supported: true,
+    include_dirs: ["external/libcxx/include"],
+    local_include_dirs: ["include"],
+    export_include_dirs: ["include"],
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
+    cppflags: [
+        "-std=c++14",
+        "-fexceptions",
+        "-Wextra",
+        "-Wno-unused-function",
+        "-Wno-implicit-fallthrough",
+        // src/cxa_demangle.cpp:2591 -Wimplicit-fallthrough
+    ],
+    sanitize: {
+        never: true,
+    },
+    stl: "none",
+    rtti: true,
+}
+
+cc_library_static {
+    name: "libc++demangle",
+    defaults: ["libc++abi_defaults"],
+    host_supported: false,
+    srcs: ["src/cxa_demangle.cpp"],
+    apex_available: [
+        "//apex_available:platform",
+        "//apex_available:anyapex",
+    ],
+    min_sdk_version: "apex_inherit",
+}
+
+cc_library_static {
+    name: "libc++abi",
+    defaults: ["libc++abi_defaults"],
+    host_supported: true,
+    srcs: [
+        "src/abort_message.cpp",
+        "src/cxa_aux_runtime.cpp",
+        "src/cxa_default_handlers.cpp",
+        "src/cxa_demangle.cpp",
+        "src/cxa_exception.cpp",
+        "src/cxa_exception_storage.cpp",
+        "src/cxa_guard.cpp",
+        "src/cxa_handlers.cpp",
+        "src/cxa_personality.cpp",
+        "src/cxa_thread_atexit.cpp",
+        "src/cxa_unexpected.cpp",
+        "src/cxa_vector.cpp",
+        "src/cxa_virtual.cpp",
+        "src/fallback_malloc.cpp",
+        "src/private_typeinfo.cpp",
+        "src/stdlib_exception.cpp",
+        "src/stdlib_new_delete.cpp",
+        "src/stdlib_stdexcept.cpp",
+        "src/stdlib_typeinfo.cpp",
+    ],
+    cppflags: ["-DLIBCXXABI_USE_LLVM_UNWINDER=1"],
+    target: {
+        android: {
+            cppflags: ["-DHAVE___CXA_THREAD_ATEXIT_IMPL"],
+            // Packaged in libc++demangle for Android to reduce bloat.
+            exclude_srcs: ["src/cxa_demangle.cpp"],
+        },
+        darwin: {
+            // libcxxabi really doesn't like the non-LLVM assembler on Darwin
+            asflags: ["-integrated-as"],
+            cflags: [
+                "-integrated-as",
+                "-D_LIBCPP_DISABLE_AVAILABILITY",
+            ],
+            cppflags: ["-integrated-as"],
+        },
+        linux_bionic: {
+            cppflags: ["-DHAVE___CXA_THREAD_ATEXIT_IMPL"],
+            enabled: true,
+        },
+        windows: {
+            enabled: true,
+            cppflags: [
+                "-D_LIBCPP_HAS_THREAD_API_WIN32",
+                "-D_LIBCXXABI_BUILDING_LIBRARY",
+                "-D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS",
+                "-D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS",
+            ],
+            exclude_srcs: [
+                "src/cxa_thread_atexit.cpp",
+
+                // Building stdlib_new_delete.cpp in libcxxabi causes
+                // multiple-definition errors against definitions in
+                // libcxx/src/new.cpp on Windows.  This works on Linux and
+                // Android where the functions have 'weak' linkage and are
+                // discarded by the linker.
+                "src/stdlib_new_delete.cpp",
+            ],
+        },
+    },
+    apex_available: [
+        "//apex_available:platform",
+        "//apex_available:anyapex",
+    ],
+    min_sdk_version: "apex_inherit",
+    // sdk_version normally isn't needed as only the platform variant
+    // is used, except on riscv64 which doesn't have an NDK libc++ and
+    // reuses this module for sdk variants.
+    sdk_version: "current",
+}
+
+cc_fuzz {
+    name: "cxa_demangle_fuzzer",
+    host_supported: true,
+    local_include_dirs: ["include"],
+
+    srcs: [
+        "fuzz/cxa_demangle_fuzzer.cpp",
+        "src/cxa_demangle.cpp",
+    ],
+}
+
+// Export libc++abi headers for inclusion in the musl sysroot.
+genrule {
+    name: "libc_musl_sysroot_libc++abi_headers",
+    visibility: ["//external/musl"],
+    srcs: [
+        "NOTICE",
+        "include/**/*",
+    ],
+    out: ["libc_musl_sysroot_libc++abi_headers.zip"],
+    tools: [
+        "soong_zip",
+        "zip2zip",
+    ],
+    cmd: "LIBCXXABI_DIR=$$(dirname $(location NOTICE)) && " +
+        "$(location soong_zip) -o $(genDir)/sysroot.zip -symlinks=false" +
+        // NOTICE
+        " -j -f $(location NOTICE) " +
+        // headers
+        " -P include/c++ " +
+        "  -C $${LIBCXXABI_DIR}/include " +
+        "  -D $${LIBCXXABI_DIR}/include " +
+        " && " +
+        "$(location zip2zip) -i $(genDir)/sysroot.zip -o $(out) " +
+        " include/**/*:include " +
+        " NOTICE:NOTICE.libc++abi",
+}
+
+filegroup {
+    name: "libcxxabi_headers",
+    srcs: ["include/*.h"],
+    visibility: [
+        "//external/libcxx:__subpackages__",
+    ],
+}