metal : use SWIFT_PACKAGE def instead of define GGML_SWIFT

Author: jhen0409

.gitignore

@@ -10,6 +10,7 @@
 *.gcno
 *.gcda
 *.dot
+*.metallib
 .DS_Store
 .build/
 .cache/

Package.swift

@@ -16,13 +16,12 @@ let resources: [Resource] = [
 let additionalSources: [String] = ["ggml-metal.m"]
 let additionalSettings: [CSetting] = [
     .unsafeFlags(["-fno-objc-arc"]),
-    .define("GGML_SWIFT"),
     .define("GGML_USE_METAL")
 ]
 #else
 let platforms: [SupportedPlatform]? = nil
 let exclude: [String] = ["ggml-metal.metal"]
-let resources: [String] = []
+let resources: [Resource] = []
 let additionalSources: [String] = []
 let additionalSettings: [CSetting] = []
 #endif

ggml-metal.m

@@ -186,7 +186,7 @@ static void ggml_metal_log(enum ggml_log_level level, const char* format, ...){
     // load library
     {
         NSBundle * bundle = nil;
-#ifdef GGML_SWIFT
+#ifdef SWIFT_PACKAGE
         bundle = SWIFTPM_MODULE_BUNDLE;
 #else
         bundle = [NSBundle bundleForClass:[GGMLMetalClass class]];
@@ -204,7 +204,7 @@ static void ggml_metal_log(enum ggml_log_level level, const char* format, ...){
             GGML_METAL_LOG_INFO("%s: loading '%s'\n", __func__, [sourcePath UTF8String]);
             NSString * src = [NSString stringWithContentsOfFile:sourcePath encoding:NSUTF8StringEncoding error:&error];
             if (error) {
-                GGML_METAL_LOG_INFO("%s: error: %s\n", __func__, [[error description] UTF8String]);
+                GGML_METAL_LOG_ERROR("%s: error: %s\n", __func__, [[error description] UTF8String]);
                 return NULL;
             }
 
@@ -215,9 +215,9 @@ static void ggml_metal_log(enum ggml_log_level level, const char* format, ...){
 #endif
             ctx->library = [ctx->device newLibraryWithSource:src options:options error:&error];
         }
-        
+
         if (error) {
-            GGML_METAL_LOG_INFO("%s: error: %s\n", __func__, [[error description] UTF8String]);
+            GGML_METAL_LOG_ERROR("%s: error: %s\n", __func__, [[error description] UTF8String]);
             return NULL;
         }
     }