Can't compile for armv7 architecture
Hello,
When trying to install paru on my armvv7 machine I got a bunch of errors (see bellow):
I'm trying to compile it for my Odroid XU-4.
My uname:
```
Linux alarm 6.6.102-1-odroid-xu3-ARCH #1 SMP PREEMPT Sat Aug 23 16:07:33 MDT 2025 armv7l GNU/Linux
```
Here is my lscpu:
```
Architecture: armv7l
Byte Order: Little Endian
CPU(s): 8
On-line CPU(s) list: 0-7
Vendor ID: 0x41
Model name: ARMv7 Processor rev 3 (v7l)
Model: 3
Thread(s) per core: 1
Core(s) per socket: 4
Socket(s): 1
Stepping: 0x0
CPU(s) scaling MHz: 86%
CPU max MHz: 1400.0000
CPU min MHz: 200.0000
BogoMIPS: 72.00
Flags: half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm
Model name: ARMv7 Processor rev 3 (v7l)
Model: 3
Thread(s) per core: 1
Core(s) per socket: 4
Socket(s): 1
Stepping: 0x2
CPU(s) scaling MHz: 95%
CPU max MHz: 2000.0000
CPU min MHz: 200.0000
BogoMIPS: 114.00
Flags: half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm
Vulnerabilities:
Gather data sampling: Not affected
Indirect target selection: Not affected
Itlb multihit: Not affected
L1tf: Not affected
Mds: Not affected
Meltdown: Not affected
Mmio stale data: Not affected
Reg file data sampling: Not affected
Retbleed: Not affected
Spec rstack overflow: Not affected
Spec store bypass: Not affected
Spectre v1: Mitigation; __user pointer sanitization
Spectre v2: Mitigation; History overwrite
Srbds: Not affected
Tsa: Not affected
Tsx async abort: Not affected
```
I'd like to learn how to handle this (I'm suspecting some code configuration is missing for this cpu architecture to properly handle C types in the bindings)
```
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:27:30
|
27 | ["Size of _alpm_list_t"][::std::mem::size_of::<_alpm_list_t>() - 24usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `12_usize - 24_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:205:35
|
205 | ["Size of _alpm_pkg_xdata_t"][::std::mem::size_of::<_alpm_pkg_xdata_t>() - 16usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `8_usize - 16_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:229:30
|
229 | ["Size of _alpm_file_t"][::std::mem::size_of::<_alpm_file_t>() - 24usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `12_usize - 24_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:248:34
|
248 | ["Size of _alpm_filelist_t"][::std::mem::size_of::<_alpm_filelist_t>() - 16usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `8_usize - 16_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:268:32
|
268 | ["Size of _alpm_backup_t"][::std::mem::size_of::<_alpm_backup_t>() - 16usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `8_usize - 16_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:295:31
|
295 | ["Size of _alpm_group_t"][::std::mem::size_of::<_alpm_group_t>() - 16usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `8_usize - 16_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:532:32
|
532 | ["Size of _alpm_pgpkey_t"][::std::mem::size_of::<_alpm_pgpkey_t>() - 72usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `56_usize - 72_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:569:35
|
569 | ["Size of _alpm_sigresult_t"][::std::mem::size_of::<_alpm_sigresult_t>() - 80usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `64_usize - 80_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:591:33
|
591 | ["Size of _alpm_siglist_t"][::std::mem::size_of::<_alpm_siglist_t>() - 16usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `8_usize - 16_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:683:32
|
683 | ["Size of _alpm_depend_t"][::std::mem::size_of::<_alpm_depend_t>() - 40usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `20_usize - 40_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:711:36
|
711 | ["Size of _alpm_depmissing_t"][::std::mem::size_of::<_alpm_depmissing_t>() - 24usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `12_usize - 24_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:735:34
|
735 | ["Size of _alpm_conflict_t"][::std::mem::size_of::<_alpm_conflict_t>() - 24usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `12_usize - 24_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:761:38
|
761 | ["Size of _alpm_fileconflict_t"][::std::mem::size_of::<_alpm_fileconflict_t>() - 32usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `16_usize - 32_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:960:10
|
960 | [::std::mem::size_of::<_alpm_event_package_operation_t>() - 24usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `16_usize - 24_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:988:10
|
988 | [::std::mem::size_of::<_alpm_event_optdep_removal_t>() - 24usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `12_usize - 24_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1012:10
|
1012 | [::std::mem::size_of::<_alpm_event_scriptlet_info_t>() - 16usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `8_usize - 16_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1034:10
|
1034 | [::std::mem::size_of::<_alpm_event_database_missing_t>() - 16usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `8_usize - 16_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1056:10
|
1056 | [::std::mem::size_of::<_alpm_event_pkgdownload_t>() - 16usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `8_usize - 16_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1084:10
|
1084 | [::std::mem::size_of::<_alpm_event_pacnew_created_t>() - 32usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `20_usize - 32_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1114:10
|
1114 | [::std::mem::size_of::<_alpm_event_pacsave_created_t>() - 24usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `12_usize - 24_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1172:40
|
1172 | ["Size of _alpm_event_hook_run_t"][::std::mem::size_of::<_alpm_event_hook_run_t>() - 40usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `20_usize - 40_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1202:10
|
1202 | [::std::mem::size_of::<_alpm_event_pkg_retrieve_t>() - 24usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `12_usize - 24_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1245:31
|
1245 | ["Size of _alpm_event_t"][::std::mem::size_of::<_alpm_event_t>() - 40usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `20_usize - 40_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1330:10
|
1330 | [::std::mem::size_of::<_alpm_question_install_ignorepkg_t>() - 16usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `12_usize - 16_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1360:10
|
1360 | [::std::mem::size_of::<_alpm_question_replace_t>() - 32usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `20_usize - 32_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1390:10
|
1390 | [::std::mem::size_of::<_alpm_question_conflict_t>() - 16usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `12_usize - 16_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1418:10
|
1418 | [::std::mem::size_of::<_alpm_question_corrupted_t>() - 24usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `16_usize - 24_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1446:10
|
1446 | [::std::mem::size_of::<_alpm_question_remove_pkgs_t>() - 16usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `12_usize - 16_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1474:10
|
1474 | [::std::mem::size_of::<_alpm_question_select_provider_t>() - 24usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `16_usize - 24_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1504:10
|
1504 | [::std::mem::size_of::<_alpm_question_import_key_t>() - 24usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `16_usize - 24_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1543:34
|
1543 | ["Size of _alpm_question_t"][::std::mem::size_of::<_alpm_question_t>() - 32usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `20_usize - 32_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1653:10
|
1653 | [::std::mem::size_of::<_alpm_download_event_progress_t>() - 16usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `8_usize - 16_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:1693:10
|
1693 | [::std::mem::size_of::<_alpm_download_event_completed_t>() - 16usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `8_usize - 16_usize`, which would overflow
error[E0080]: evaluation of constant value failed
--> /home/floreal/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alpm-sys-4.0.3/src/ffi.rs:2834:31
|
2834 | ["Size of __va_list_tag"][::std::mem::size_of::<__va_list_tag>() - 24usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `16_usize - 24_usize`, which would overflow
For more information about this error, try `rustc --explain E0080`.
error: could not compile `alpm-sys` (lib) due to 34 previous errors
```
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