move building to CMake

CMakeLists.txt

+cmake_minimum_required(VERSION 3.10)
+
+# Project name
+project(COCOATruth)
+
+# Set C++ standard
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED True)
+
+# Compiler flags
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -g -O3")
+#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -static-libasan")
+
+# Include directories
+include_directories(interface)
+
+# Find all source files
+file(GLOB SRCS "src/*.cc")
+file(GLOB HEADERS "interface/*.h")
+
+# Add library
+add_library(PFTruth STATIC ${SRCS})
+
+# Find ROOT package
+find_package(ROOT REQUIRED)
+include_directories(${ROOT_INCLUDE_DIRS})
+link_directories(${ROOT_LIBRARY_DIRS})
+add_definitions(${ROOT_CXX_FLAGS})
+
+# Add executable
+add_executable(COCOATruth COCOATruth.cc)
+target_link_libraries(COCOATruth PFTruth ${ROOT_LIBRARIES})
+
+# Clean up
+set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${CMAKE_BINARY_DIR}")
\ No newline at end of file

Makefile

-# Variables
-CC := g++
-CFLAGS := -Wall -Wextra -g -O3 -std=c++17 
-ASANFLAGS := -fsanitize=address -static-libasan
-ROOTFLAGS := `root-config --glibs --cflags`
-INCLUDES := -Iinterface
-LIBS := libPFTruth.a
-#EXECUTABLE := pftruth
-EXECUTABLE := COCOATruth
-
-# Find all source files
-SRCS := $(wildcard src/*.cc)
-OBJS := $(SRCS:.cc=.o)
-HEADERS := $(wildcard interface/*.h)
-
-# Default target
-all: $(LIBS) $(EXECUTABLE)
-
-# Compile .cc files into .o files
-%.o: %.cc $(HEADERS)
-	$(CC) $(CFLAGS) $(INCLUDES) -c $< -o $@
-
-# Archive .o files into a static library
-$(LIBS): $(OBJS)
-	ar rcs $@ $^
-
-# Compile pftruth.cc into an executable
-#$(EXECUTABLE): pftruth.cc $(LIBS)
-#	$(CC) $(CFLAGS) $(ROOTFLAGS) $< $(INCLUDES) $(LIBS) -o $@
-#
-
-$(EXECUTABLE): COCOATruth.cc $(LIBS)
-	$(CC) $(CFLAGS) $(ROOTFLAGS) $< $(INCLUDES) $(LIBS) -o $@
-
-# Clean up
-clean:
-	rm -f $(OBJS) $(LIBS) $(EXECUTABLE)
-