add basic CI

Author: vk2seb

.github/workflows/main.yml

@@ -0,0 +1,36 @@
+name: build
+
+on: [push]
+
+jobs:
+  ubuntu-build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: sudo apt install verilator
+      - run: verilator --version
+      - run: wget https://vcvrack.com/downloads/Rack-SDK-2.4.1-lin-x64.zip
+      - run: unzip Rack-SDK*.zip && rm Rack-SDK*.zip
+      - run: make RACK_DIR=`pwd`/Rack-SDK
+      - uses: actions/pload-artifact@v4
+        with:
+          name: plugin
+          path: |
+            plugin.so
+            plugin.json
+
+  macos-build:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: brew install verilator
+      - run: verilator --version
+      - run: wget https://vcvrack.com/downloads/Rack-SDK-2.4.1-mac-x64.zip
+      - run: unzip Rack-SDK*.zip && rm Rack-SDK*.zip
+      - run: make RACK_DIR=`pwd`/Rack-SDK
+      - uses: actions/pload-artifact@v4
+        with:
+          name: plugin
+          path: |
+            plugin.so
+            plugin.json

Makefile

@@ -10,16 +10,15 @@ VERILATED_OBJ=Vcore__ALL.a
 
 # FLAGS will be passed to both the C and C++ compiler
 FLAGS += -I$(VERILATOR_ROOT)/include -faligned-new
-CFLAGS +=
-CXXFLAGS +=
 
 # Careful about linking to shared libraries, since you can't assume much about the user's environment and library search path.
 # Static libraries are fine, but they should be added to this plugin's build system.
-#LDFLAGS += -L$(VERILATED_PATH) -l:$(VERILATED_OBJ)
 OBJECTS += $(VERILATED_PATH)/$(VERILATED_OBJ)
 
 # Add .cpp files to the build
-SOURCES += $(wildcard src/*.cpp) $(VERILATOR_ROOT)/include/verilated.cpp
+SOURCES += $(wildcard src/*.cpp) \
+		   $(VERILATOR_ROOT)/include/verilated.cpp \
+		   $(VERILATOR_ROOT)/include/verilated_threads.cpp
 
 # Add files to the ZIP package when running `make dist`
 # The compiled plugin and "plugin.json" are automatically added.
@@ -38,3 +37,5 @@ src/eurorack-pmod.cpp: $(VERILATED_PATH)/$(VERILATED_OBJ)
 
 # Include the Rack plugin Makefile framework
 include $(RACK_DIR)/plugin.mk
+
+CXXFLAGS := $(filter-out -std=c++11,$(CXXFLAGS))