MacOS Build, passthru example, cleanup

* Added MacOS packaging script and support in Makefile.toml
* Fixed passthru example to pass validator tests
* Moved passthru from workspace crate to example
* removed old LICENSE.txt file
* added build instructions to the readme

.gitignore

@@ -4,3 +4,4 @@ Cargo.lock
 .idea
 .vscode
 *.iml
+validator

Cargo.toml

@@ -11,5 +11,15 @@ edition = "2018"
 vst3-com = { path = "./com" }
 bitflags = "1.2.0"
 
+[dev-dependencies]
+log = "0.4"
+simple_logger = "1.6.0"
+lazy_static = "1.4.0"
+widestring = "0.4.0"
+
 [workspace]
-members = ["examples/passthru", "examples/again", "com", "com/macros", "com/macros/support"]
+members = ["examples/again", "com", "com/macros", "com/macros/support"]
+
+[[example]]
+name = "passthru"
+crate-type = ["cdylib"]

Makefile.toml

@@ -2,34 +2,47 @@
 workspace = false
 script = []
 
+[tasks.passthru.mac]
+script = [
+    "cargo build --example passthru", 
+    "./osx-bundler.sh passthru target/debug/examples/libpassthru.dylib"
+]
+
 [tasks.passthru.linux]
 workspace = false
 script = [
-    "cargo build --package passthru",
-    "mkdir -p target/debug/plugin.vst3/Contents/x86_64-linux",
-    "mkdir -p target/debug/plugin.vst3/Contents/Resources",
-    "cp target/debug/libpassthru.so target/debug/plugin.vst3/Contents/x86_64-linux/plugin.so"
+    "cargo build --example passthru",
+    "mkdir -p target/debug/passthru.vst3/Contents/x86_64-linux",
+    "mkdir -p target/debug/passthru.vst3/Contents/Resources",
+    "cp target/debug/examples/libpassthru.so target/debug/passthru.vst3/Contents/x86_64-linux/passthru.so"
 ]
 
 [tasks.passthru.windows]
 workspace = false
 script_runner = "@shell"
 script = [
-    "cargo build --package passthru",
-    "cp target/debug/passthru.dll target/debug/passthru.vst3"
+    "cargo build --example passthru",
+    "cp target/debug/examples/passthru.dll target/debug/passthru.vst3"
 ]
 
 [tasks.again]
 workspace = false
 script = []
 
+[tasks.again.mac]
+workspace = false 
+script = [
+  "cargo build --package again",
+  "./osx-bundler.sh again target/debug/libagain.dylib"
+]
+
 [tasks.again.linux]
 workspace = false
 script = [
     "cargo build --package again",
-    "mkdir -p target/debug/plugin.vst3/Contents/x86_64-linux",
-    "mkdir -p target/debug/plugin.vst3/Contents/Resources",
-    "cp target/debug/libagain.so target/debug/plugin.vst3/Contents/x86_64-linux/plugin.so"
+    "mkdir -p target/debug/again.vst3/Contents/x86_64-linux",
+    "mkdir -p target/debug/again.vst3/Contents/Resources",
+    "cp target/debug/libagain.so target/debug/again.vst3/Contents/x86_64-linux/again.so"
 ]
 
 [tasks.again.windows]

com/macros/support/src/co_class/class_factory.rs

@@ -45,7 +45,7 @@ pub fn generate(struct_item: &ItemStruct) -> HelperTokenStream {
                 // Bringing trait into scope to access IUnknown methods.
                 use vst3_com::interfaces::iunknown::IUnknown;
 
-                if aggr != std::ptr::null_mut() {
+                if !aggr.is_null() {
                     return vst3_com::sys::CLASS_E_NOAGGREGATION;
                 }
 

examples/again/src/lib.rs

@@ -1006,6 +1006,19 @@ pub extern "system" fn ModuleExit() -> bool {
     true
 }
 
+#[no_mangle]
+#[allow(non_snake_case)]
+pub extern "system" fn bundleEntry(_: *mut c_void) -> bool {
+    true
+}
+
+#[no_mangle]
+#[allow(non_snake_case)]
+pub extern "system" fn bundleExit() -> bool {
+    info!("Module exited");
+    true
+}
+
 static mut INIT_LOGGER: bool = false;
 
 #[no_mangle]