toku-mac commented on PR #18886:
URL: https://github.com/apache/nuttx/pull/18886#issuecomment-4474946301
Hello everyone.
I pushed commit a73cb171. Please confirm.
## Environment
* Mac mini Apple M1
* macOS 26.5
* CLT: 26.5.0.0.1777544298
* Xcode: 26.5
* cmake: 4.3.2
* ninja: 1.13.2
* Python 3.14.5 (with lief installed)
apps branch: add_apple_cargo_cmake (commit 97716525)
## Preparation
```
rm -rf build-debug
make distclean
cmake -S . -B build-debug -DBOARD_CONFIG=sim:nsh -GNinja
cmake --build build-debug -t menuconfig
```
## Configure
```
CONFIG_SYSTEM_TIME64=y
CONFIG_FS_LARGEFILE=y
CONFIG_TLS_NELEM=16
CONFIG_DEV_URANDOM=y
CONFIG_EXAMPLES_HELLO_RUST_CARGO=y
CONFIG_EXAMPLES_HELLO_RUST_CARGO_STACKSIZE=8192
# CONFIG_COVERAGE_TOOLCHAIN is not set
CONFIG_COVERAGE_NONE=y
```
## Build
```
cmake --build build-debug
...
Compiling std_detect v0.1.5
(/Users/toku/.rustup/toolchains/nightly-2026-04-29-aarch64-apple-darwin/lib/rustlib/src/rust/library/std_detect)
Compiling addr2line v0.25.1
Compiling proc_macro v0.0.0
(/Users/toku/.rustup/toolchains/nightly-2026-04-29-aarch64-apple-darwin/lib/rustlib/src/rust/library/proc_macro)
Compiling itoa v1.0.18
Compiling pin-project-lite v0.2.17
Compiling memchr v2.8.0
Compiling tokio v1.52.3
Compiling hello v0.1.0 (/Users/toku/nuttxspace/apps/examples/rust/hello)
Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.41s
[1223/1228] Linking C executable nuttx
ld: warning: -ld_classic is deprecated and will be removed in a future
release
[1225/1228] Patching Mach-O init section type flags
/Users/toku/nuttxspace/nuttx/build-debug/nuttx: replacing existing signature
/Users/toku/nuttxspace/nuttx/build-debug/nuttx: valid on disk
/Users/toku/nuttxspace/nuttx/build-debug/nuttx: satisfies its Designated
Requirement
```
## Execute
```
./build-debug/nuttx
NuttShell (NSH) NuttX-12.13.0
nsh> help
help usage: help [-v] [<cmd>]
. cmp fdinfo mkrd rm true
[ dirname free mount rmdir truncate
? df help mv set uname
alias dmesg hexdump pidof kill umount
unalias echo losetup poweroff pkill unset
basename env ln quit sleep uptime
break exec ls printf usleep watch
cat exit mkdir ps source xd
cd expr mkfatfs pwd test wait
cp false mkfifo readlink time
Builtin Apps:
dd nsh ostest hello
dumpstack sh gpio
hello_rust_cargo
nsh> uname -a
NuttX 12.13.0 eae41cab13-dirty May 18 2026 10:43:05 sim sim
nsh> hello_rust_cargo
{"name":"John","age":30}
{"name":"Jane","age":25}
Deserialized: Alice is 28 years old
Pretty JSON:
{
"name": "Alice",
"age": 28
}
thread '<unnamed>' (540079) panicked at
/Users/toku/.rustup/toolchains/nightly-2026-04-29-aarch64-apple-darwin/lib/rustlib/src/rust/library/std/src/sys/pal/unix/time.rs:107:68:
called `Result::unwrap()` on an `Err` value: Os { code: 0, kind:
Uncategorized, message: "Unknown error 0" }
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
nsh>
```
The last Rust tokio-related panic I'll fix in another PR.
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