LD: nuttx
arm-none-eabi-ld: warning: net_sendfile.o: missing .note.GNU-stack section implies executable stack
arm-none-eabi-ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
arm-none-eabi-ld: warning: nuttx/nuttx has a LOAD segment with RWX permissions
arm-none-eabi-ld: apps/staging/libfeature.a(feature_framework.cpp.frameworks.base.feature_1.o): in function `std::__1::__throw_length_error[abi:un170006](char const*)':
Signed-off-by: cuiziwei <cuiziwei@xiaomi.com>
- Add __config_site for NuttX.
In libcxx 12.0.0. CMake concatenated __config_site with _config,
which enabled NuttX to build without its inclusion. In 15.0.7, this
file is configured by CMake and included explicitly in __config.
- Add additional include directories.
- Mute always_inline warning.
- Make the download of libcxx/libcxxabi configurable