ios : add support for Swift Package Manager (#1370)

* Add support for Swift

* Make it build in Xcode

* Use the SPM package in the SwiftUI example app

.gitignore

@@ -18,6 +18,11 @@ build-no-accel/
 build-sanitize-addr/
 build-sanitize-thread/
 
+# SPM
+.build/
+.swiftpm
+*.metallib
+
 /main
 /stream
 /command

Package.swift

@@ -0,0 +1,77 @@
+// swift-tools-version:5.5
+
+import PackageDescription
+
+#if arch(arm) || arch(arm64)
+let platforms: [SupportedPlatform]? = [
+    .macOS(.v12),
+    .iOS(.v14),
+    .watchOS(.v4),
+    .tvOS(.v14)
+]
+let exclude: [String] = []
+let resources: [Resource] = [
+    .process("ggml-metal.metal")
+]
+let additionalSources: [String] = ["ggml-metal.m"]
+let additionalSettings: [CSetting] = [
+    .unsafeFlags(["-fno-objc-arc"]),
+    .define("GGML_USE_METAL")
+]
+#else
+let platforms: [SupportedPlatform]? = nil
+let exclude: [String] = ["ggml-metal.metal"]
+let resources: [Resource] = []
+let additionalSources: [String] = []
+let additionalSettings: [CSetting] = []
+#endif
+
+let package = Package(
+    name: "whisper",
+    platforms: platforms,
+    products: [
+        .library(name: "whisper", targets: ["whisper"]),
+    ],
+    targets: [
+        .target(
+            name: "whisper",
+            path: ".",
+            exclude: exclude + [
+               "bindings",
+               "cmake",
+               "coreml",
+               "examples",
+               "extra",
+               "models",
+               "samples",
+               "tests",
+               "CMakeLists.txt",
+               "ggml-cuda.cu",
+               "ggml-cuda.h",
+               "Makefile"
+            ],
+            sources: [
+                "ggml.c",
+                "whisper.cpp",
+                "ggml-alloc.c",
+                "ggml-backend.c",
+                "ggml-quants.c"
+            ] + additionalSources,
+            resources: resources,
+            publicHeadersPath: "spm-headers",
+            cSettings: [
+                .unsafeFlags(["-Wno-shorten-64-to-32", "-O3", "-DNDEBUG"]),
+                .define("GGML_USE_ACCELERATE")
+                // NOTE: NEW_LAPACK will required iOS version 16.4+
+                // We should consider add this in the future when we drop support for iOS 14
+                // (ref: ref: https://developer.apple.com/documentation/accelerate/1513264-cblas_sgemm?language=objc)
+                // .define("ACCELERATE_NEW_LAPACK"),
+                // .define("ACCELERATE_LAPACK_ILP64")
+            ] + additionalSettings,
+            linkerSettings: [
+                .linkedFramework("Accelerate")
+            ]
+        )
+    ],
+    cxxLanguageStandard: .cxx11
+)

examples/whisper.swiftui/whisper.cpp.swift/LibWhisper.swift

@@ -1,4 +1,5 @@
 import Foundation
+import whisper
 
 enum WhisperError: Error {
     case couldNotInitializeContext

examples/whisper.swiftui/whisper.cpp.swift/WhisperCppDemo-Bridging-Header.h

@@ -1,4 +0,0 @@
-//
-//  Use this file to import your target's public headers that you would like to expose to Swift.
-//
-#import "whisper.h"

examples/whisper.swiftui/whisper.swiftui.xcodeproj/project.pbxproj

@@ -15,16 +15,9 @@
 		0AAC5D9B29539CCF003032C3 /* WhisperCppDemoApp.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0AAC5D9A29539CCF003032C3 /* WhisperCppDemoApp.swift */; };
 		0AAC5D9D29539CCF003032C3 /* ContentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0AAC5D9C29539CCF003032C3 /* ContentView.swift */; };
 		0AAC5D9F29539CD0003032C3 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 0AAC5D9E29539CD0003032C3 /* Assets.xcassets */; };
-		0AAC5DA329539CD0003032C3 /* Preview Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 0AAC5DA229539CD0003032C3 /* Preview Assets.xcassets */; };
-		0AAC5DCB29539EB1003032C3 /* whisper.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0AAC5DC729539EB0003032C3 /* whisper.cpp */; settings = {COMPILER_FLAGS = "-DGGML_USE_METAL -Wno-shorten-64-to-32"; }; };
-		0AAC5DCC29539EB1003032C3 /* ggml.c in Sources */ = {isa = PBXBuildFile; fileRef = 0AAC5DC929539EB0003032C3 /* ggml.c */; settings = {COMPILER_FLAGS = "-DGGML_USE_ACCELERATE -DGGML_USE_METAL -Wno-shorten-64-to-32"; }; };
 		0AAC5DCE2953A05C003032C3 /* WhisperState.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0AAC5DCD2953A05C003032C3 /* WhisperState.swift */; };
 		0AAC5DD12953A394003032C3 /* LibWhisper.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0AAC5DD02953A394003032C3 /* LibWhisper.swift */; };
-		18ABE1522AF555FA0044A204 /* ggml-backend.c in Sources */ = {isa = PBXBuildFile; fileRef = 18ABE14C2AF555FA0044A204 /* ggml-backend.c */; };
+		E3F92DC52AFA8E3800A6A9D4 /* whisper in Frameworks */ = {isa = PBXBuildFile; productRef = E3F92DC42AFA8E3800A6A9D4 /* whisper */; };
-		18ABE1532AF555FA0044A204 /* ggml-quants.c in Sources */ = {isa = PBXBuildFile; fileRef = 18ABE1512AF555FA0044A204 /* ggml-quants.c */; };
-		18AED4812AB21F2B009D854F /* ggml-alloc.c in Sources */ = {isa = PBXBuildFile; fileRef = 18AED47F2AB21F2B009D854F /* ggml-alloc.c */; };
-		7FCB08262ACFA3A400AF3530 /* ggml-metal.m in Sources */ = {isa = PBXBuildFile; fileRef = 7FCB08252ACFA3A400AF3530 /* ggml-metal.m */; settings = {COMPILER_FLAGS = "-framework Foundation -framework Metal -framework MetalKit -fno-objc-arc"; }; };
-		7FCB08282ACFA48500AF3530 /* ggml-metal.metal in Sources */ = {isa = PBXBuildFile; fileRef = 7FCB08272ACFA48500AF3530 /* ggml-metal.metal */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -38,25 +31,9 @@
 		0AAC5D9C29539CCF003032C3 /* ContentView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContentView.swift; sourceTree = "<group>"; };
 		0AAC5D9E29539CD0003032C3 /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 		0AAC5DA029539CD0003032C3 /* WhisperCppDemo.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = WhisperCppDemo.entitlements; sourceTree = "<group>"; };
-		0AAC5DA229539CD0003032C3 /* Preview Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = "Preview Assets.xcassets"; sourceTree = "<group>"; };
-		0AAC5DC629539EAF003032C3 /* WhisperCppDemo-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "WhisperCppDemo-Bridging-Header.h"; sourceTree = "<group>"; };
-		0AAC5DC729539EB0003032C3 /* whisper.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = whisper.cpp; sourceTree = "<group>"; };
-		0AAC5DC829539EB0003032C3 /* whisper.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = whisper.h; sourceTree = "<group>"; };
-		0AAC5DC929539EB0003032C3 /* ggml.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = ggml.c; sourceTree = "<group>"; };
-		0AAC5DCA29539EB0003032C3 /* ggml.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ggml.h; sourceTree = "<group>"; };
 		0AAC5DCD2953A05C003032C3 /* WhisperState.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WhisperState.swift; sourceTree = "<group>"; };
 		0AAC5DD02953A394003032C3 /* LibWhisper.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LibWhisper.swift; sourceTree = "<group>"; };
-		18ABE14C2AF555FA0044A204 /* ggml-backend.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = "ggml-backend.c"; sourceTree = "<group>"; };
+		E3F92DC22AFA8DD800A6A9D4 /* whisper.cpp */ = {isa = PBXFileReference; lastKnownFileType = wrapper; name = whisper.cpp; path = ../..; sourceTree = "<group>"; };
-		18ABE14D2AF555FA0044A204 /* ggml-backend.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "ggml-backend.h"; sourceTree = "<group>"; };
-		18ABE14E2AF555FA0044A204 /* ggml-backend-impl.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "ggml-backend-impl.h"; sourceTree = "<group>"; };
-		18ABE14F2AF555FA0044A204 /* ggml-quants.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "ggml-quants.h"; sourceTree = "<group>"; };
-		18ABE1502AF555FA0044A204 /* ggml-impl.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "ggml-impl.h"; sourceTree = "<group>"; };
-		18ABE1512AF555FA0044A204 /* ggml-quants.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = "ggml-quants.c"; sourceTree = "<group>"; };
-		18AED47F2AB21F2B009D854F /* ggml-alloc.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = "ggml-alloc.c"; sourceTree = "<group>"; };
-		18AED4802AB21F2B009D854F /* ggml-alloc.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "ggml-alloc.h"; sourceTree = "<group>"; };
-		7FCB081E2ACFA04400AF3530 /* ggml-metal.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "ggml-metal.h"; sourceTree = "<group>"; };
-		7FCB08252ACFA3A400AF3530 /* ggml-metal.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "ggml-metal.m"; sourceTree = "<group>"; };
-		7FCB08272ACFA48500AF3530 /* ggml-metal.metal */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.metal; path = "ggml-metal.metal"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -64,6 +41,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				E3F92DC52AFA8E3800A6A9D4 /* whisper in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -99,11 +77,12 @@
 		0AAC5D8E29539CCF003032C3 = {
 			isa = PBXGroup;
 			children = (
+				E3F92DC22AFA8DD800A6A9D4 /* whisper.cpp */,
 				0A8E48FF2954B3F100704C1B /* README.md */,
-				0AAC5DC529539E89003032C3 /* whisper.cpp */,
 				0AAC5DCF2953A36C003032C3 /* whisper.cpp.swift */,
 				0AAC5D9929539CCF003032C3 /* whisper.swiftui.demo */,
 				0AAC5D9829539CCF003032C3 /* Products */,
+				E3F92DC32AFA8E3800A6A9D4 /* Frameworks */,
 			);
 			sourceTree = "<group>";
 		};
@@ -128,42 +107,9 @@
 			path = whisper.swiftui.demo;
 			sourceTree = "<group>";
 		};
-		0AAC5DA129539CD0003032C3 /* Preview Content */ = {
-			isa = PBXGroup;
-			children = (
-				0AAC5DA229539CD0003032C3 /* Preview Assets.xcassets */,
-			);
-			name = "Preview Content";
-			path = "../Preview Content";
-			sourceTree = "<group>";
-		};
-		0AAC5DC529539E89003032C3 /* whisper.cpp */ = {
-			isa = PBXGroup;
-			children = (
-				7FCB08272ACFA48500AF3530 /* ggml-metal.metal */,
-				7FCB081E2ACFA04400AF3530 /* ggml-metal.h */,
-				7FCB08252ACFA3A400AF3530 /* ggml-metal.m */,
-				18ABE14E2AF555FA0044A204 /* ggml-backend-impl.h */,
-				18ABE14C2AF555FA0044A204 /* ggml-backend.c */,
-				18ABE14D2AF555FA0044A204 /* ggml-backend.h */,
-				18ABE1502AF555FA0044A204 /* ggml-impl.h */,
-				18ABE1512AF555FA0044A204 /* ggml-quants.c */,
-				18ABE14F2AF555FA0044A204 /* ggml-quants.h */,
-				18AED47F2AB21F2B009D854F /* ggml-alloc.c */,
-				18AED4802AB21F2B009D854F /* ggml-alloc.h */,
-				0AAC5DC929539EB0003032C3 /* ggml.c */,
-				0AAC5DCA29539EB0003032C3 /* ggml.h */,
-				0AAC5DC729539EB0003032C3 /* whisper.cpp */,
-				0AAC5DC829539EB0003032C3 /* whisper.h */,
-			);
-			name = whisper.cpp;
-			path = ../..;
-			sourceTree = "<group>";
-		};
 		0AAC5DCF2953A36C003032C3 /* whisper.cpp.swift */ = {
 			isa = PBXGroup;
 			children = (
-				0AAC5DC629539EAF003032C3 /* WhisperCppDemo-Bridging-Header.h */,
 				0AAC5DD02953A394003032C3 /* LibWhisper.swift */,
 			);
 			path = whisper.cpp.swift;
@@ -182,11 +128,17 @@
 			children = (
 				0AAC5D9E29539CD0003032C3 /* Assets.xcassets */,
 				0AAC5DA029539CD0003032C3 /* WhisperCppDemo.entitlements */,
-				0AAC5DA129539CD0003032C3 /* Preview Content */,
 			);
 			path = "Supporting files";
 			sourceTree = "<group>";
 		};
+		E3F92DC32AFA8E3800A6A9D4 /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -203,6 +155,9 @@
 			dependencies = (
 			);
 			name = whisper.swiftui;
+			packageProductDependencies = (
+				E3F92DC42AFA8E3800A6A9D4 /* whisper */,
+			);
 			productName = WhisperCppDemo;
 			productReference = 0AAC5D9729539CCF003032C3 /* whisper.swiftui.app */;
 			productType = "com.apple.product-type.application";
@@ -247,7 +202,6 @@
 			buildActionMask = 2147483647;
 			files = (
 				0AA751482953AC2E001EE061 /* samples in Resources */,
-				0AAC5DA329539CD0003032C3 /* Preview Assets.xcassets in Resources */,
 				0A8E49002954B3F100704C1B /* README.md in Resources */,
 				0AA751492953AC2E001EE061 /* models in Resources */,
 				0AAC5D9F29539CD0003032C3 /* Assets.xcassets in Resources */,
@@ -263,17 +217,10 @@
 			files = (
 				0AAC5D9D29539CCF003032C3 /* ContentView.swift in Sources */,
 				0AAC5D9B29539CCF003032C3 /* WhisperCppDemoApp.swift in Sources */,
-				0AAC5DCC29539EB1003032C3 /* ggml.c in Sources */,
-				18ABE1532AF555FA0044A204 /* ggml-quants.c in Sources */,
 				0AAC5DCE2953A05C003032C3 /* WhisperState.swift in Sources */,
-				7FCB08282ACFA48500AF3530 /* ggml-metal.metal in Sources */,
 				0AAC5DD12953A394003032C3 /* LibWhisper.swift in Sources */,
 				0AA7514C2953B569001EE061 /* RiffWaveUtils.swift in Sources */,
-				0AAC5DCB29539EB1003032C3 /* whisper.cpp in Sources */,
 				0AA7514E2953D958001EE061 /* Recorder.swift in Sources */,
-				7FCB08262ACFA3A400AF3530 /* ggml-metal.m in Sources */,
-				18AED4812AB21F2B009D854F /* ggml-alloc.c in Sources */,
-				18ABE1522AF555FA0044A204 /* ggml-backend.c in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -401,7 +348,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_ASSET_PATHS = "\"whisper.swiftui.demo/Supporting files/Preview Content\"";
-				DEVELOPMENT_TEAM = P8JZH34X63;
+				DEVELOPMENT_TEAM = "";
 				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
@@ -425,7 +372,6 @@
 				SDKROOT = auto;
 				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
 				SWIFT_EMIT_LOC_STRINGS = YES;
-				SWIFT_OBJC_BRIDGING_HEADER = "whisper.cpp.swift/WhisperCppDemo-Bridging-Header.h";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -442,7 +388,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_ASSET_PATHS = "\"whisper.swiftui.demo/Supporting files/Preview Content\"";
-				DEVELOPMENT_TEAM = P8JZH34X63;
+				DEVELOPMENT_TEAM = "";
 				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
@@ -471,7 +417,6 @@
 				SDKROOT = auto;
 				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
 				SWIFT_EMIT_LOC_STRINGS = YES;
-				SWIFT_OBJC_BRIDGING_HEADER = "whisper.cpp.swift/WhisperCppDemo-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
@@ -499,6 +444,13 @@
 			defaultConfigurationName = Release;
 		};
 /* End XCConfigurationList section */
+
+/* Begin XCSwiftPackageProductDependency section */
+		E3F92DC42AFA8E3800A6A9D4 /* whisper */ = {
+			isa = XCSwiftPackageProductDependency;
+			productName = whisper;
+		};
+/* End XCSwiftPackageProductDependency section */
 	};
 	rootObject = 0AAC5D8F29539CCF003032C3 /* Project object */;
 }

spm-headers/ggml.h

@@ -0,0 +1 @@
+../ggml.h

spm-headers/whisper.h

@@ -0,0 +1 @@
+../whisper.h