remove datagen

ffi/diplomat/Cargo.toml

@@ -101,9 +101,6 @@ zerovec = { version = "*", path = "../../utils/zerovec", optional = true}
 diplomat = { git = "https://github.com/rust-diplomat/diplomat", rev = "d3010a4b88a0f37d23e3c64cf5500cedc4e8cdf0" }
 diplomat-runtime = { git = "https://github.com/rust-diplomat/diplomat", rev = "d3010a4b88a0f37d23e3c64cf5500cedc4e8cdf0" }
 
-[build-dependencies]
-icu_datagen = { version = "1.0", path = "../../provider/datagen", features = ["icu_segmenter"]}
-
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 # Logging is automagical in wasm, we only need this for native
 simple_logger = { version = "1.12", optional = true }

ffi/diplomat/build.rs

@@ -2,33 +2,17 @@
 // called LICENSE at the top level of the ICU4X source tree
 // (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
 
-use icu_datagen::*;
-use std::path::PathBuf;
-
 fn main() {
     if std::env::var("CARGO_FEATURE_BAKED_PROVIDER").is_ok()
         && std::env::var("ICU4X_FFI_BAKED_ROOT").is_err()
     {
-        let mod_directory = PathBuf::from(std::env::var_os("OUT_DIR").unwrap()).join("empty_bake");
+        // Empty data generated with
+        // cargo run -p icu_datagen --features bin,icu_segmenter -- --format mod --use-separate-crates --keys none --out empty_bake
+        // We could also just generate it here, however that would pull in all of
+        // datagen's dependencies, which we don't really need.
         println!(
-            "cargo:rustc-env=ICU4X_FFI_BAKED_ROOT={}",
-            mod_directory.display()
+            "cargo:rustc-env=ICU4X_FFI_BAKED_ROOT={}/empty_bake",
+            std::env::var("CARGO_MANIFEST_DIR").unwrap()
         );
-
-        if !mod_directory.exists() {
-            icu_datagen::datagen(
-                Some(&[]),
-                &[],
-                &SourceData::default(),
-                vec![Out::Module {
-                    mod_directory,
-                    insert_feature_gates: false,
-                    use_separate_crates: true,
-                    overwrite: false,
-                    pretty: false,
-                }],
-            )
-            .unwrap();
-        }
     }
 }