add basic CI

Author: vk2seb

.github/workflows/main.yml

@@ -0,0 +1,24 @@
+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
+
+  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

Makefile

@@ -11,7 +11,7 @@ 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 +=
+C++FLAGS := $(filter-out -std=c++11,$(C++FLAGS))
 
 # 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.