add workflow for build verification of examples

.github/workflows/build-examples.yml

@@ -0,0 +1,67 @@
+name: build-examples
+
+on: [push, pull_request]
+
+jobs:
+ build-examples:
+ runs-on: ubuntu-22.04
+ steps:
+ # Checkout repository
+ - name: Checkout
+ uses: actions/checkout@v4
+
+ # Install build dependencies
+ - name: Install build dependencies
+ run: |
+ sudo apt-get update
+ sudo apt-get -y install build-essential clang bison flex libreadline-dev gawk \
+ tcl-dev libffi-dev git graphviz xdot pkg-config python3 \
+ libboost-system-dev libboost-python-dev libboost-filesystem-dev \
+ zlib1g-dev cmake libboost-all-dev libeigen3-dev libftdi-dev \
+ python3-dev python3-pip
+
+ # Install icestorm
+ - name: Install icestorm
+ run: |
+ mkdir icestorm
+ pushd icestorm
+ git init
+ git remote add origin https://github.com/YosysHQ/icestorm.git
+ git fetch --depth 1 origin 1a40ae75d4eebee9cce73a2c4d634fd42ed0110f
+ git reset --hard FETCH_HEAD
+ make -j$(nproc)
+ sudo make install
+ popd
+ 
+ # Install nextpnr
+ - name: Install nextpnr
+ run: |
+ git clone https://github.com/YosysHQ/nextpnr.git -b nextpnr-0.6 --depth 1
+ pushd nextpnr
+ cmake -DARCH=ice40 -DCMAKE_INSTALL_PREFIX=/usr/local .
+ make -j$(nproc)
+ sudo make install
+ popd
+
+ # Install yosys
+ - name: Install yosys
+ run: |
+ git clone https://github.com/YosysHQ/yosys.git -b yosys-0.36 --depth 1
+ pushd yosys
+ make -j$(nproc)
+ sudo make install
+ popd
+
+ # Install gbdk-2020
+ - name: Install gbdk-2020
+ run: |
+ wget https://github.com/gbdk-2020/gbdk-2020/releases/download/4.2.0/gbdk-linux64.tar.gz
+ sudo tar -axvf gbdk-linux64.tar.gz -C /opt
+
+ # Build examples
+ - name: Build examples
+ run: |
+ pushd ./examples
+ make
+ popd
+

examples/Makefile

@@ -0,0 +1,18 @@
+SUBDIRS = mbc_128k_rom midi_sound_gen
+
+.PHONY: build
+build:
+ @ for d in $(SUBDIRS); do \
+ cd $$d; \
+ $(MAKE); \
+ cd ..; \
+ done
+
+.PHONY: clean
+clean:
+ @ for d in $(SUBDIRS); do \
+ cd $$d; \
+ $(MAKE) $@; \
+ cd ..; \
+ done
+