diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..ea8b62d
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,12 @@
+all: compile_commands.json
+	cd build && ninja
+
+compile_commands.json:
+	cd build && ninja -t compdb > compile_commands.json
+
+clean:
+	cd build && ninja -t clean
+
+.PHONY:
+	compile_commands.json
+	clean
diff --git a/src/util/log.hpp b/src/util/log.hpp
index 9746f7b..fbb3abe 100644
--- a/src/util/log.hpp
+++ b/src/util/log.hpp
@@ -10,8 +10,7 @@
 #define XWIM_LOGLEVEL SPDLOG_LEVEL_DEBUG
 #endif
 
-namespace xwim {
-namespace log {
+namespace xwim::log {
 
 /**
  * Get log level from XWIM_LOGLEVEL environment variable.
@@ -75,5 +74,4 @@ void init(spdlog::level::level_enum level = spdlog::level::level_enum::off) {
   spdlog::set_level(_init_from_compile());
 }
 
-}  // namespace log
-}  // namespace xwim
+}  // namespace xwim::log