add echo

Author: esigo

ci/do_ci.sh

@@ -66,6 +66,9 @@ if [[ "${CXX}" == "/usr/bin/clang++" ]]; then
   IWYU="-DCMAKE_CXX_INCLUDE_WHAT_YOU_USE=iwyu"
 fi
 
+echo "make command: ${MAKE_COMMAND}"
+echo "IWYU option: ${IWYU}"
+
 BAZEL_OPTIONS_DEFAULT="--copt=-DENABLE_LOGS_PREVIEW --copt=-DENABLE_TEST --copt=-DENABLE_METRICS_EXEMPLAR_PREVIEW"
 BAZEL_OPTIONS="--cxxopt=-std=c++14 $BAZEL_OPTIONS_DEFAULT"