Add basic CI, move broken bins to broken so make test succeeds

.github/workflows/c-cpp.yml

@@ -0,0 +1,23 @@
+name: C/C++ CI
+
+on:
+  push:
+#   branches: [ $default-branch ]
+  pull_request:
+    branches: [ $default-branch ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: install libgmp-dev
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y libgmp-dev
+    - uses: actions/checkout@v4
+    - name: make
+      run: make
+    - name: make test
+      run: make test

GNUmakefile

@@ -11,6 +11,10 @@ endif
 
 include makefile.common
 
+.PHONY: test
+test:
+	./test.sh
+
 win: force
 	./build.cmd clean
 	./build.cmd

test.sh

@@ -1,5 +1,11 @@
 #!/bin/sh
+
+rm -f err.log
+trap "rm -rf err.log" EXIT
 for i in bins/*.bin; do
-  ./me7sum -r $i.txt $i | grep -E '(ABORT|WARNING)'
-  grep ERROR $i.txt
+  ./me7sum -r $i.txt $i | grep -E '(ABORT|WARNING)' >> err.log
+  grep ERROR $i.txt >> err.log
 done
+
+cat err.log
+[ ! -s err.log ]