Patch for the 2.4.0 SDK (#908)

- plugin-arm to plugin
- modify github workflows
- no functional changes

.github/workflows/build-plugin.yml

@@ -2,7 +2,7 @@ name: Build VCV Rack Plugin
 on: [push, pull_request]
 
 env:
-  rack-sdk-version: 2.3.0
+  rack-sdk-version: 2.4.0
   rack-plugin-toolchain-dir: /home/build/rack-plugin-toolchain
 
 defaults:

Makefile

@@ -15,7 +15,7 @@ ifdef ARCH_MAC
   RACK_PLUGIN_EXT := dylib
   ifdef ARCH_ARM64
     EXTRA_CMAKE := -DCMAKE_OSX_ARCHITECTURES="arm64"
-    RACK_PLUGIN_ARCH := -arm64
+    # RACK_PLUGIN_ARCH := -arm64
   endif
 endif
 

RackSDK.cmake

@@ -1,6 +1,6 @@
 # Mapping of plugin build definitions from the Rack-SDK arch.mk, compile.mk, dep.mk and plugin.mk to CMake.
 
-set(RACK_SDK_VERSION 2.2.2)
+set(RACK_SDK_VERSION 2.4.0)
 message(STATUS "Load RackSDK.cmake (mapping based on Rack-SDK-${RACK_SDK_VERSION})")
 
 if ("${RACK_SDK_DIR}" STREQUAL "")
@@ -29,7 +29,7 @@ endif ()
 
 # Do not change the RACK_PLUGIN_LIB!
 if (${CMAKE_OSX_ARCHITECTURES} MATCHES "arm64")
-  set(RACK_PLUGIN_ARCH -arm64)
+  #set(RACK_PLUGIN_ARCH -arm64)
 endif ()
 set(RACK_PLUGIN_LIB plugin${RACK_PLUGIN_ARCH})