data/jenkins/workspace/GNU-toolchain/arm-11/src/newlib-cygwin/newlib/libc/reent/signalr.c:53: warning: _kill is not implemented and will always fail data/jenkins/workspace/GNU-toolchain/arm-11/src/newlib-cygwin/newlib/libc/reent/isattyr.c:52: warning: _isatty is not implemented and will always fail data/jenkins/workspace/GNU-toolchain/arm-11/src/newlib-cygwin/newlib/libc/reent/signalr.c:83: warning: _getpid is not implemented and will always fail data/jenkins/workspace/GNU-toolchain/arm-11/src/newlib-cygwin/newlib/libc/reent/fstatr.c:55: warning: _fstat is not implemented and will always fail data/jenkins/workspace/GNU-toolchain/arm-11/src/newlib-cygwin/newlib/libc/reent/closer.c:47: warning: _close is not implemented and will always fail Warning: _write is not implemented and will always fail Warning: _read is not implemented and will always fail Warning: _open is not implemented and will always fail Warning: _lseek is not implemented and will always fail Warning: _kill is not implemented and will always fail Warning: _isatty is not implemented and will always fail Warning: _getpid is not implemented and will always fail Warning: _fstat is not implemented and will always fail I'm working on a bare-metal STM32 project, compiling on a Linux 圆4 host.Īfter upgrading my toolchain from gcc-arm-none-eabi-11.2-2022.02 to arm-gnu-toolchain-11.3.rel1-x86_64-arm-none-eabi, I get the following linker warnings: warning: _close is not implemented and will always fail
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