I am trying to link a c static library into my rust program. Does anyone know if there is any requirements of the library for `rust-lld` to like it? I am quite sure that I have the right `-L` and `-l` options. I am calling rustc directly to strip out any potential issues with cargo or build.rs.

This is the command:
```
rustc --crate-name cc13x2_cc26x2_flash --edition=2021 src/main.rs  --crate-type bin --emit=dep-info,link -C opt-level=3 -C embed-bitcode=no -C codegen-units=1 -C debuginfo=2 -C debug-assertions=on -C metadata=1ab2fc47a140afb5 -C extra-filename=-1ab2fc47a140afb5 --out-dir /Users/seanlyons/dev/rust/cc13x2-cc26x2-flash/target/thumbv7em-none-eabi/debug/deps --target thumbv7em-none-eabi -L dependency=/Users/seanlyons/dev/rust/cc13x2-cc26x2-flash/target/thumbv7em-none-eabi/debug/deps -L dependency=/Users/seanlyons/dev/rust/cc13x2-cc26x2-flash/target/debug/deps --extern cortex_m=/Users/seanlyons/dev/rust/cc13x2-cc26x2-flash/target/thumbv7em-none-eabi/debug/deps/libcortex_m-8a38242e065cd52d.rlib --extern flash_algorithm=/Users/seanlyons/dev/rust/cc13x2-cc26x2-flash/target/thumbv7em-none-eabi/debug/deps/libflash_algorithm-c1ddc23f2f09f032.rlib --extern libc=/Users/seanlyons/dev/rust/cc13x2-cc26x2-flash/target/thumbv7em-none-eabi/debug/deps/liblibc-492e23184cbd9914.rlib --extern rtt_target=/Users/seanlyons/dev/rust/cc13x2-cc26x2-flash/target/thumbv7em-none-eabi/debug/deps/librtt_target-0ea74ddb0a3e4deb.rlib -C link-arg=--nmagic -C link-arg=-Tlink.x -C link-arg=-Tmemory.x -C inline-threshold=5 -C no-vectorize-loops -C force-frame-pointers=no -l "/Users/seanlyons/dev/rust/cc13x2-cc26x2-flash/lib/driverlib.a" -L /Users/seanlyons/dev/rust/cc13x2-cc26x2-flash/target/thumbv7em-none-eabi/debug/build/cortex-m-3b797ecef263c29e/out -L /Users/seanlyons/dev/rust/cc13x2-cc26x2-flash/target/thumbv7em-none-eabi/debug/build/flash-algorithm-b2e1a7e29afecc9c/out
```

Things I tried:

1. invoking `file` on the library says "current ar archive"
1. Running `arm-none-eabi-readelf -h lib/driverlib.a` gives the following:

```
File: lib/driverlib.a(pwr_ctrl.o)
ELF Header:
  Magic:   7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00 
  Class:                             ELF32
  Data:                              2's complement, little endian
  Version:                           1 (current)
  OS/ABI:                            UNIX - System V
  ABI Version:                       0
  Type:                              REL (Relocatable file)
  Machine:                           ARM
  Version:                           0x1
  Entry point address:               0x0
  Start of program headers:          0 (bytes into file)
  Start of section headers:          2632 (bytes into file)
  Flags:                             0x5000000, Version5 EABI
  Size of this header:               52 (bytes)
  Size of program headers:           0 (bytes)
  Number of program headers:         0
  Size of section headers:           40 (bytes)
  Number of section headers:         24
```