Add makefile

.gitignore

@@ -1,2 +1,4 @@
 .idea
 cmake-build*
+build/
+compile_commands.json

Makefile

@@ -0,0 +1,12 @@
+CMAKE_OPTS=-DCMAKE_EXPORT_COMPILE_COMMANDS=1
+
+all: 
+	mkdir -p build
+	cd build &&	\
+    cmake ${CMAKE_OPTS} .. &&	\
+    make &&	\
+    cp compile_commands.json ..
+
+clean:
+	rm -rf build
+	rm -f compile_commands.json