bindings: Apple compliant framework distribution

.github/workflows/cont_integration.yml

@@ -43,6 +43,9 @@ jobs:
         - uses: dtolnay/rust-toolchain@1.85.0
           with:
             targets: x86_64-apple-ios,aarch64-apple-ios,aarch64-apple-ios-sim,aarch64-apple-darwin
+        - uses: nightstory/setup-xcodegen@v1
+          with:
+            version: 'latest'
         - uses: extractions/setup-just@v2
           with:
             just-version: 1.5.0  # optional semver specification, otherwise latest

justfile

@@ -125,10 +125,10 @@ aarch64-apple-ios-sim:
 swift: ios ios-sim
     # we are not using build-bindings-lib because we need the mac targets anyway
     cargo run --features bindings -- generate --library ./target/aarch64-apple-ios/release/liblwk.a --language swift --out-dir ./target/swift
-    mkdir -p ./target/swift/include
-    mv target/swift/lwkFFI.h target/swift/include
-    mv target/swift/lwkFFI.modulemap  target/swift/include/module.modulemap
-    xcodebuild -create-xcframework -library target/lipo-ios-sim/release/liblwk.a -headers target/swift/include -library target/aarch64-apple-ios/release/liblwk.a -headers target/swift/include -output target/lwkFFI.xcframework
+    xcodegen generate --spec lwk_bindings/swift/project.yml
+    xcodebuild archive -project lwk_bindings/swift/LwkBindings.xcodeproj -scheme lwkFFI -archivePath "./target/ios.xcarchive" -sdk iphoneos -destination "generic/platform=iOS"
+    xcodebuild archive -project lwk_bindings/swift/LwkBindings.xcodeproj -scheme lwkFFI -archivePath "./target/ios_sim.xcarchive" -sdk iphonesimulator -destination "generic/platform=iOS Simulator"
+    xcodebuild -create-xcframework -framework "./target/ios.xcarchive/Products/Library/Frameworks/lwkFFI.framework" -framework "./target/ios_sim.xcarchive/Products/Library/Frameworks/lwkFFI.framework" -output "./target/lwkFFI.xcframework"
 
 csharp-windows: build-bindings-lib
     cargo install uniffi-bindgen-cs --git https://github.com/NordSecurity/uniffi-bindgen-cs --tag v0.10.0+v0.29.4

lwk_bindings/swift/project.yml

@@ -0,0 +1,27 @@
+name: LwkBindings
+options:
+  bundleIdPrefix: com.blockstream
+targets:
+  lwkFFI:
+    type: framework
+    platform: iOS
+    deploymentTarget: "13.0"
+    settings:
+      MACH_O_TYPE: staticlib
+      GENERATE_MASTER_OBJECT_FILE: YES
+      GENERATE_INFOPLIST_FILE: YES
+      STRIP_INSTALLED_PRODUCT: NO
+      BUILD_LIBRARIES_FOR_DISTRIBUTION: YES
+      SKIP_INSTALL: NO
+      DEFINES_MODULE: YES
+      ENABLE_BITCODE: NO
+      # Conditional paths:
+      "LIBRARY_SEARCH_PATHS[sdk=iphoneos*]": "../../target/aarch64-apple-ios/release"
+      "LIBRARY_SEARCH_PATHS[sdk=iphonesimulator*]": "../../target/lipo-ios-sim/release"
+    sources:
+      - path: "../../target/swift/lwkFFI.h"
+        headerVisibility: public
+    dependencies:
+      # Link the library name. Xcode will look in the search paths defined above.
+      - framework: liblwk.a
+        embed: false