Building fails on Termux

[Potato1682]

Hello,

I tried to build xcp 0.9.2 on Termux by cargo install, but it failed to compile.

The command I typed:

$ cargo install --locked xcp

Versions:

rustc 1.64.0
cargo 1.64.0
Termux Variables:
TERMUX_API_VERSION=0.50.1
TERMUX_APK_RELEASE=F_DROID
TERMUX_APP_PACKAGE_MANAGER=apt
TERMUX_APP_PID=9719
TERMUX_IS_DEBUGGABLE_BUILD=0
TERMUX_MAIN_PACKAGE_FORMAT=debian
TERMUX_VERSION=0.118.0
Packages CPU architecture:
aarch64
Subscribed repositories:
# sources.list
deb https://mirrors.pku.edu.cn/termux/termux-main/ stable main
Updatable packages:
All packages up to date
termux-tools version:
1.29.3
Android version:
12
Kernel build information:
Linux localhost 4.14.212-Velvet-Cyprus_v2.1 #1 SMP PREEMPT Tue Sep 13 07:06:30 UTC 2022 aarch64 Android
Device manufacturer:
Xiaomi
Device model:
Redmi Note 9S

And the output:

error[E0433]: failed to resolve: could not find `linux` in `os`
  --> /data/data/com.termux/files/home/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/xcp-0.9.2/src/os/linux.rs:22:14
   |                                                                                    22 | use std::os::linux::fs::MetadataExt;
   |              ^^^^^ could not find `linux` in `os`                                  
error[E0599]: no method named `st_blocks` found for struct `std::fs::Metadata` in the current scope
   --> /data/data/com.termux/files/home/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/xcp-0.9.2/src/os/linux.rs:182:13
    |                                                                                   182 |     Ok(stat.st_blocks() < stat.st_size() / stat.st_blksize())
    |             ^^^^^^^^^ method not found in `std::fs::Metadata`                         |
    = help: items from traits can only be used if the trait is in scope                 help: the following trait is implemented but not in scope; perhaps add a `use` for it:
    |                                                                                   17  | use std::os::android::fs::MetadataExt;
    |                                                                                   
error[E0599]: no method named `st_size` found for struct `std::fs::Metadata` in the current scope
   --> /data/data/com.termux/files/home/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/xcp-0.9.2/src/os/linux.rs:182:32
    |                                                                                   182 |     Ok(stat.st_blocks() < stat.st_size() / stat.st_blksize())
    |                                ^^^^^^^ method not found in `std::fs::Metadata`        |
    = help: items from traits can only be used if the trait is in scope                 help: the following trait is implemented but not in scope; perhaps add a `use` for it:
    |                                                                                   17  | use std::os::android::fs::MetadataExt;
    |                                                                                   
error[E0599]: no method named `st_blksize` found for struct `std::fs::Metadata` in the current scope
   --> /data/data/com.termux/files/home/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/xcp-0.9.2/src/os/linux.rs:182:49
    |                                                                                   182 |     Ok(stat.st_blocks() < stat.st_size() / stat.st_blksize())
    |                                                 ^^^^^^^^^^ method not found in `std::fs::Metadata`
    |                                                                                       = help: items from traits can only be used if the trait is in scope
help: the following trait is implemented but not in scope; perhaps add a `use` for it:      |
17  | use std::os::android::fs::MetadataExt;                                                |
                                                                                        error[E0308]: mismatched types
    --> /data/data/com.termux/files/home/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/xcp-0.9.2/src/os/linux.rs:285:41
     |                                                                                  285  |             libc::ioctl(fd.as_raw_fd(), FS_IOC_FIEMAP, req_ptr)
     |             -----------                 ^^^^^^^^^^^^^ expected `i32`, found `u64`     |             |
     |             arguments to this function are incorrect                                  |
note: function defined here                                                                 --> /data/data/com.termux/files/home/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.134/src/unix/linux_like/android/mod.rs:2824:12                         |
2824 |     pub fn ioctl(fd: ::c_int, request: ::c_int, ...) -> ::c_int;                      |            ^^^^^
help: you can convert a `u64` to an `i32` and panic if the converted value doesn't fit       |
285  |             libc::ioctl(fd.as_raw_fd(), FS_IOC_FIEMAP.try_into().unwrap(), req_ptr)
     |                                                      ++++++++++++++++++++                                                                                                Some errors have detailed explanations: E0308, E0433, E0599.                            For more information about an error, try `rustc --explain E0308`.
error: could not compile `xcp` due to 5 previous errors

[tarka]

It looks like Android jail filesystems don't support some features. I've released 0.9.3 that should work.

[Potato1682]

Thanks! It was built successfully and worked properly.