WIP: refactor(cargo): use crate-type flag

.github/workflows/release.yml

@@ -103,6 +103,7 @@ jobs:
           export CARGO_TARGET_AARCH64_UNKNOWN_LINUX_MUSL_LINKER=aarch64-linux-gnu-gcc
           export CC=aarch64-linux-gnu-gcc
         fi
+        export RUSTFLAGS="--crate-type=staticlib,cdylib"
         cargo build --verbose --release --target ${{matrix.cargo_target}}
     - name: Build archive
       shell: bash

Cargo.toml

@@ -21,7 +21,6 @@ name = "iroh"
 
 [lib]
 name = "iroh_ffi"
-crate-type = ["staticlib", "cdylib"]
 
 [[bin]]
 name = "uniffi-bindgen"

Makefile.toml

@@ -86,6 +86,7 @@ case "$(uname -s)" in
 esac
 TARGET_DIR=$(cargo metadata --format-version 1 --no-deps | python3 -c 'import json,sys;print(json.load(sys.stdin)["target_directory"])')
 LIB="$TARGET_DIR/debug/${LIB_NAME}.${EXT}"
+export RUSTFLAGS="--crate-type=staticlib,cdylib"
 cargo run --bin uniffi-bindgen generate --language kotlin \
   --out-dir kotlin/lib/src/main/kotlin/ --config "$UNIFFI_CONFIG" --library "$LIB"
 mkdir -p kotlin/lib/src/main/resources/
@@ -173,6 +174,7 @@ script = '''
 set -eu
 command -v cargo-ndk >/dev/null 2>&1 || cargo install --version 3.5.4 cargo-ndk --locked
 # Host lib only needed so uniffi-bindgen can read metadata.
+export RUSTFLAGS="--crate-type=staticlib,cdylib"
 cargo build --lib
 TARGET_DIR=$(cargo metadata --format-version 1 --no-deps | python3 -c 'import json,sys;print(json.load(sys.stdin)["target_directory"])')
 cargo ndk -o ./kotlin/lib/src/main/jniLibs \

make_swift.sh

@@ -20,7 +20,8 @@ export RUSTFLAGS="${RUSTFLAGS:-} \
   --remap-path-prefix=${CARGO_PFX}/registry=/cargo/registry \
   --remap-path-prefix=${CARGO_PFX}/git=/cargo/git \
   --remap-path-prefix=${RUSTUP_PFX}=/rustup \
-  --remap-path-prefix=${REPO_PFX}=/build"
+  --remap-path-prefix=${REPO_PFX}=/build \
+  --crate-type=staticlib,cdylib"
 # --remap-path-prefix is Rust-only. Several deps (notably `ring`) compile bundled
 # C sources via build.rs + the `cc` crate, and those object files also embed
 # absolute source paths. `-ffile-prefix-map` is clang/gcc's analogue. The `cc`

make_swift_macos.sh

@@ -16,6 +16,7 @@ export MACOSX_DEPLOYMENT_TARGET="14.5"
 TARGET_DIR=$(cargo metadata --format-version 1 --no-deps | python3 -c 'import json,sys;print(json.load(sys.stdin)["target_directory"])')
 
 # Default lib (for the bindgen metadata step) + the macOS release slice.
+export RUSTFLAGS="--crate-type=staticlib,cdylib"
 cargo build --lib
 echo "Building aarch64-apple-darwin"
 cargo build --release --target aarch64-apple-darwin