Build failure when targeting aarch64-linux-android

[arkuna23]

build fails when targeting aarch64-linux-android using cross.

• host: ArchLinux x86_64
• target: aarch64-linux-android29
• build tool: cross (as README instructions)
• commands: docker build --build-arg CROSS_BASE_IMAGE=ghcr.io/cross-rs/aarch64-linux-android:0.2.5 -t cross-rusty_v8:aarch64-linux-android ., V8_FROM_SOURCE=1 cross build -vv --target aarch64-linux-android

build log:

...
  In file included from ../../../../third_party/libc++abi/src/src/cxa_guard.cpp:15:
  In file included from ../../../../third_party/libc++abi/src/src/cxa_guard_impl.h:48:
  In file included from ../../../../third_party/libc++/src/src/include/atomic_support.h:13:
  In file included from ../../../../third_party/libc++/src/include/memory:950:
  In file included from ../../../../third_party/libc++/src/include/__memory/inout_ptr.h:16:
  In file included from ../../../../third_party/libc++/src/include/__memory/shared_ptr.h:36:
  In file included from ../../../../third_party/libc++/src/include/__memory/unique_ptr.h:20:
  ../../../../third_party/libc++/src/include/__functional/hash.h:40:8: error: reference to unresolved using declaration
     40 |   std::memcpy(std::addressof(__r), __p, sizeof(__r));
        |        ^
  ../../../../third_party/libc++/src/include/cstring:82:1: note: using declaration annotated with 'using_if_exists' here
     82 | using ::memcpy _LIBCPP_USING_IF_EXISTS;
        | ^
  In file included from ../../../../third_party/libc++abi/src/src/cxa_guard.cpp:15:
  In file included from ../../../../third_party/libc++abi/src/src/cxa_guard_impl.h:61:
  In file included from ../../../../third_party/libc++/src/include/__thread/support.h:112:
  ../../../../third_party/libc++/src/include/__thread/support/pthread.h:18:10: error: 'pthread.h' file not found with <angled> include; use "quotes" instead
     18 | #include <pthread.h>
        |          ^
  ../../../../third_party/libc++/src/include/__thread/support/pthread.h:19:10: fatal error: 'sched.h' file not found
     19 | #include <sched.h>

...

  In file included from ../../../../third_party/libc++abi/src/src/cxa_default_handlers.cpp:12:
  In file included from ../../../../third_party/libc++/src/include/cstdlib:90:
  ../../../../third_party/libc++/src/include/stdlib.h:126:30: error: unknown type name 'ldiv_t'
    126 | inline _LIBCPP_HIDE_FROM_ABI ldiv_t div(long __x, long __y) _NOEXCEPT { return ::ldiv(__x, __y); }
        |                              ^
  ../../../../third_party/libc++/src/include/stdlib.h:126:82: error: no member named 'ldiv' in the global namespace; did you mean 'div'?
    126 | inline _LIBCPP_HIDE_FROM_ABI ldiv_t div(long __x, long __y) _NOEXCEPT { return ::ldiv(__x, __y); }
        |                                                                                  ^~~~
  ../../../../third_party/libc++/src/include/stdlib.h:126:37: note: 'div' declared here
    126 | inline _LIBCPP_HIDE_FROM_ABI ldiv_t div(long __x, long __y) _NOEXCEPT { return ::ldiv(__x, __y); }
        |                                     ^
  ../../../../third_party/libc++/src/include/stdlib.h:128:30: error: unknown type name 'lldiv_t'
    128 | inline _LIBCPP_HIDE_FROM_ABI lldiv_t div(long long __x, long long __y) _NOEXCEPT { return ::lldiv(__x, __y); }
        |                              ^
  ../../../../third_party/libc++/src/include/stdlib.h:128:93: error: no member named 'lldiv' in the global namespace
    128 | inline _LIBCPP_HIDE_FROM_ABI lldiv_t div(long long __x, long long __y) _NOEXCEPT { return ::lldiv(__x, __y); }
        |                                                                                             ^~~~~
  In file included from ../../../../third_party/libc++abi/src/src/cxa_default_handlers.cpp:13:
  In file included from ../../../../third_party/libc++/src/include/exception:84:
  ../../../../third_party/libc++/src/include/__exception/exception_ptr.h:33:61: error: unknown type name 'size_t'; did you mean 'std::size_t'?
     33 | _LIBCPP_OVERRIDABLE_FUNC_VIS void* __cxa_allocate_exception(size_t) throw();
        |                                                             ^
  ../../../../third_party/libc++/src/include/__cstddef/size_t.h:20:7: note: 'std::size_t' declared here
     20 | using size_t = decltype(sizeof(int));
        |       ^
  In file included from ../../../../third_party/libc++abi/src/src/cxa_default_handlers.cpp:20:
  In file included from ../../../../third_party/libc++/src/src/include/atomic_support.h:13:
  In file included from ../../../../third_party/libc++/src/include/memory:950:
  In file included from ../../../../third_party/libc++/src/include/__memory/inout_ptr.h:16:
  In file included from ../../../../third_party/libc++/src/include/__memory/shared_ptr.h:36:
  In file included from ../../../../third_party/libc++/src/include/__memory/unique_ptr.h:20:
  ../../../../third_party/libc++/src/include/__functional/hash.h:40:8: error: reference to unresolved using declaration
     40 |   std::memcpy(std::addressof(__r), __p, sizeof(__r));
        |        ^
  ../../../../third_party/libc++/src/include/cstring:82:1: note: using declaration annotated with 'using_if_exists' here
     82 | using ::memcpy _LIBCPP_USING_IF_EXISTS;
        | ^
  ../../../../third_party/libc++abi/src/src/cxa_default_handlers.cpp:98:74: error: reference to unresolved using declaration
     98 | static constexpr std::terminate_handler default_terminate_handler = std::abort;
        |                                                                          ^
  ../../../../third_party/libc++/src/include/cstdlib:126:1: note: using declaration annotated with 'using_if_exists' here
    126 | using ::abort _LIBCPP_USING_IF_EXISTS;
        | ^
  ../../../../third_party/libc++abi/src/src/cxa_default_handlers.cpp:98:79: error: expected '(' for function-style cast or type construction
     98 | static constexpr std::terminate_handler default_terminate_handler = std::abort;
        |                                                                     ~~~~~~~~~~^
  ../../../../third_party/libc++abi/src/src/cxa_default_handlers.cpp:106:34: error: variable does not have a constant initializer
    106 | constinit std::terminate_handler __cxa_terminate_handler = default_terminate_handler;
        |                                  ^                         ~~~~~~~~~~~~~~~~~~~~~~~~~
  ../../../../third_party/libc++abi/src/src/cxa_default_handlers.cpp:106:1: note: required by 'constinit' specifier here
    106 | constinit std::terminate_handler __cxa_terminate_handler = default_terminate_handler;
        | ^~~~~~~~~
  ../../../../third_party/libc++abi/src/src/cxa_default_handlers.cpp:106:60: note: initializer of 'default_terminate_handler' is unknown
    106 | constinit std::terminate_handler __cxa_terminate_handler = default_terminate_handler;
        |                                                            ^
  ../../../../third_party/libc++abi/src/src/cxa_default_handlers.cpp:98:41: note: declared here
     98 | static constexpr std::terminate_handler default_terminate_handler = std::abort;
        |                                         ^
  9 errors generated.
  ninja: build stopped: subcommand failed.
...

[amyssnippet]

@arkuna23 i looked at this closely, i would recommend you to use the cargo-ndk using cargo install cargo-ndk and Download the Android NDK ie r25b or newer is recommended for V8 from the Google developer site and unzip it. then run the build command telling cargo-ndk where the NDK is and which API level to use (e.g., 29):

ANDROID_NDK_HOME=/path/to/android-ndk-r26 \
V8_FROM_SOURCE=1 \
cargo ndk -t arm64-v8a -p 29 build --release