Makefile and push-matrix workflow

.github/workflows/push-matrix.yml

@@ -0,0 +1,34 @@
+name: push-matrix
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    name: ${{ matrix.config.name }}
+    runs-on: ${{ matrix.config.os }}
+    strategy:
+      matrix:
+        config:
+        - name: "Ubuntu latest GCC"
+          os: ubuntu-latest
+          cc: "gcc"
+          cxx: "g++"
+        - name: "Ubuntu latest Clang"
+          os: ubuntu-latest
+          cc: "clang"
+          cxx: "clang++"
+      fail-fast: false
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Build
+      env:
+        CC: ${{ matrix.config.cc }}
+        CXX: ${{ matrix.config.cxx }}
+      run: |
+        make

Makefile

@@ -0,0 +1,17 @@
+
+CXXFLAGS = -std=c++17 -O3 -Wall
+
+SOURCES_IMGOS = $(foreach dir, ./imgos, $(wildcard $(dir)/*.cpp))
+SOURCES = pch.cpp bkdecmd.cpp BKImage.cpp BKImgFile.cpp BKParseImage.cpp StringUtil.cpp $(SOURCES_IMGOS)
+
+OBJECTS = $(patsubst %.cpp, %.o, $(SOURCES))
+
+all: bkdecmd
+
+bkdecmd: $(OBJECTS)
+	$(CXX) $(CXXFLAGS) -o bkdecmd $(OBJECTS)
+
+.PHONY: clean
+
+clean:
+	rm -f $(OBJECTS)