Add generate xcframework job that runs Python scripts.

Author: arik-so

.github/actions/build-for-testing/action.yml

@@ -18,6 +18,7 @@ runs:
             run: |
                 cd xcode
 
+                LDK_C_BINDINGS_BINARY_DIRECTORY="" \
                 xcodebuild clean build-for-testing \
                   -allowProvisioningUpdates \
                   -allowProvisioningDeviceRegistration \

.github/workflows/generate-xcframework.yml

@@ -0,0 +1,37 @@
+name: Generate XCFramework Workflow
+permissions:
+    contents: read
+    statuses: read
+    pull-requests: read
+    actions: read
+    checks: write
+on:
+    push:
+        branches:
+            - main
+    pull_request:
+        branches:
+            - "*"
+
+jobs:
+    build:
+        name: Generate XCFramework job
+        runs-on: macos-12
+        env:
+            DEVELOPER_DIR: /Applications/Xcode_13.2.1.app/Contents/Developer
+            LDK_C_BINDINGS_BASE: /Users/runner/work/ldk-swift/ldk-swift/bindings/artifacts/ldk-c-bindings
+        steps:
+            -   name: Configure Xcode
+                uses: maxim-lobanov/setup-xcode@v1
+                with:
+                    xcode-version: latest
+            -   name: Checkout
+                uses: actions/checkout@v2
+            -   name: Install Dependencies
+                uses: ./.github/actions/install-dependencies
+            -   name: Build binaries
+                run:
+                    python3 ./src/scripts/build_bulk_libldks.py
+            -   name: Generate xcframework
+                run:
+                    python3 ./src/scripts/generate_xcframework.py

src/scripts/build_individual_libldk.py

@@ -91,7 +91,8 @@ def run(config: ScriptConfig):
 		os.makedirs(current_architecture_binary_directory, exist_ok=True)
 
 		# stop the complaints about directories not being empty
-		shutil.rmtree(cargo_target_directory)
+		if os.path.isdir(cargo_target_directory):
+			shutil.rmtree(cargo_target_directory)
 		subprocess.check_call([CARGO_PATH, 'clean'], cwd=config.LDK_C_BINDINGS_DIRECTORY)
 
 		# cargo build -Z build-std=panic_abort,std --features "std" --target "${RUST_ARCH}-apple-${RUST_TARGET_OS}" $RUST_CONFIGURATION_FLAG

src/scripts/generate_xcframework.py

@@ -79,8 +79,8 @@ def run(config: ScriptConfig):
 				'EXCLUDED_ARCHS="i386 armv7"',
 				'SKIP_INSTALL=NO',
 				'BUILD_LIBRARY_FOR_DISTRIBUTION=YES',
-				f'LDK_C_BINDINGS_BASE="{config.LDK_C_BINDINGS_BASE}"',
-				f'LDK_C_BINDINGS_BINARY_DIRECTORY="{lipo_binary_directory}"',
+				f'LDK_C_BINDINGS_BASE={config.LDK_C_BINDINGS_BASE}',
+				f'LDK_C_BINDINGS_BINARY_DIRECTORY={lipo_binary_directory}',
 				f'LDK_C_BINDINGS_BINARY_FORCED_REBUILD_OUTPUT_DIRECTORY=""',
 			], env=child_environment
 		)

src/scripts/script_config.py

@@ -44,10 +44,16 @@ def parse(cls, allow_ldk_argument=True, parse_configuration=False, parse_lipo_ou
 			print('Missing LDK C-bindings base directory. Either call the value or set the environment variable.')
 			sys.exit(1)
 
+
 		ldk_directory = os.path.realpath(ldk_directory_string)
 		c_bindings_directory = os.path.join(ldk_directory, 'lightning-c-bindings')
+
+		print('ldk_directory_string (LDK_C_BINDINGS_BASE):', ldk_directory_string)
+		print('ldk_directory:', ldk_directory)
+		print('c_bindings_directory (LDK_C_BINDINGS_DIRECTORY):', c_bindings_directory)
+
 		if not os.path.exists(c_bindings_directory):
-			print('LDK C-bindings directory does not contain lightning-c-bindings')
+			print('LDK C-bindings directory does not contain lightning-c-bindings:', c_bindings_directory)
 			sys.exit(1)
 
 		if not os.path.isdir(c_bindings_directory):

xcode/LDKFramework/LDKFramework.xcodeproj/project.pbxproj

@@ -1349,6 +1349,11 @@
 			outputFileListPaths = (
 			);
 			outputPaths = (
+				"$(PROJECT_DIR)/headers/ldk_net.c",
+				"$(PROJECT_DIR)/headers/ldk_net.h",
+				"$(PROJECT_DIR)/headers/ldk_rust_types.h",
+				"$(PROJECT_DIR)/headers/ldk_ver.h",
+				"$(PROJECT_DIR)/headers/lightning.h",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;