add Ubuntu build and torture steps to GH actions

run_tests.sh

@@ -2,11 +2,24 @@
 set -eu
 cd "$(dirname "$0")"
 
-# compile our targets
-./build.sh raddbg raddbg_non_graphical radlink radbin torture
+target_values=(raddbg raddbg_non_graphical radlink radbin torture)
+# TODO: gcc
+cc_values=(clang)
+mode_values=(debug release)
 
-# run torture
-cd build
-./torture
-cd ..
+for m in "${mode_values[@]}"; do
+  for c in "${cc_values[@]}"; do
+
+    # nuke artifacts from last run
+    rm -rf build/torture_artifacts
+
+    ./build.sh meta "$c" "$m" "${target_values[@]}"
+
+    # run torture
+    cd build
+    ./torture "$@"
+    cd ..
+
+  done
+done