plonk

Plonk is a development-time build tool for Rust projects.

cargo install cargo-plonk

# fn main() {
#  lib::say_hello();
# }
$ cargo build -p example_cli

# pub fn say_hello() {
#  println!("Hello x1");
# }
$ cargo plonk \
  run \
  --package example_lib \
  --symbol say_hello

Hello x1

$ echo "pub fn say_hello() {\n  println!('Hello x2');\n}" > example_lib/lib.rs

$ cargo plonk \
  run \
  --package example_lib \
  --symbol say_hello

Hello x2

faq

I am getting a "Library not loaded: @rpath/libstd" error:

[*] Could not open library ***.dylib
[*] Error: dlopen(***.dylib, 0x0001): Library not loaded: @rpath/libstd-5563368f93f04a18.dylib
  Referenced from: <F601902F-B608-3EB8-A3A7-BC9069E46C28> ***.dylib
  Reason: tried: '/usr/local/lib/libstd-5563368f93f04a18.dylib' (no such file), '/usr/lib/libstd-5563368f93f04a18.dylib' (no such file, not in dyld cache)

You need to update your $DYLD_LIBRARY_PATH to include the rustc sysroot libraries: $(rustc --print sysroot)/lib