Workaround for Swift PM bug

Package.swift

@@ -5,11 +5,51 @@ import PackageDescription
 
 #if os(Linux)
    let excludePortDir = "ibmras/common/port/osx"
+
+  let package = Package(
+    name: "omr-agentcore",
+    products: [
+        // omr-agentcore libraries.
+        .library(name: "agentcore", type: .dynamic, targets: ["agentcore"]),
+        .library(name: "hcapiplugin", type: .dynamic, targets: ["hcapiplugin"]),
+        .library(name: "memplugin", type: .dynamic, targets: ["memplugin"]),
+        .library(name: "cpuplugin", type: .dynamic, targets: ["cpuplugin"]),
+        .library(name: "envplugin", type: .dynamic, targets: ["envplugin"]),
+        .library(name: "mqttplugin", type: .dynamic, targets: ["mqttplugin"]),
+        .library(name: "paho", type: .dynamic, targets: ["paho"])
+    ],
+    targets: [
+        // omr-agentcore targets, one for each library.
+      .target(name: "agentcore",
+          exclude: [ "ibmras/common/port/aix",
+                     "ibmras/common/port/windows",
+                     "ibmras/common/data",
+                     "ibmras/common/util/memUtils.cpp",
+                     "ibmras/monitoring/connector/headless",
+                     excludePortDir
+      ]),
+      .target(name: "paho",
+          exclude: [ "Windows Build",
+              "build",
+              "doc",
+              "test",
+              "src/MQTTClient.c",
+              "src/MQTTVersion.c",
+              "src/SSLSocket.c",
+              "src/samples",
+      ]),
+      .target(name: "mqttplugin", dependencies: ["paho"]),
+      .target(name: "cpuplugin"),
+      .target(name: "envplugin"),
+      .target(name: "memplugin"),
+// Workaround for Swift bug https://bugs.swift.org/browse/SR-5849
+      .target(name: "hcapiplugin")
+    ]
+)
 #else
    let excludePortDir = "ibmras/common/port/linux"
-#endif
 
-let package = Package(
+  let package = Package(
     name: "omr-agentcore",
     products: [
         // omr-agentcore libraries.
@@ -48,3 +88,4 @@ let package = Package(
       .target(name: "hcapiplugin", dependencies: ["agentcore"])
     ]
 )
+#endif