many changes

ex1/code/Makefile

@@ -0,0 +1,30 @@
+PROGRAM	= main
+
+SOURCES = main.cpp mylib.cpp
+OBJECTS = ${SOURCES:.cpp=.o}
+
+CXX     = g++
+LINKER  = g++
+
+WARNINGS = -Wall -pedantic -Wextra -Weffc++ -Woverloaded-virtual -Wfloat-equal -Wshadow \
+           -Wredundant-decls -fmax-errors=1
+
+CXXFLAGS   = -g -flto -O3 -ffast-math -march=native ${WARNINGS}
+LINKFLAGS  = -g -flto -O3
+
+
+all: ${PROGRAM}
+
+%.o: %.cpp
+	${CXX} ${CXXFLAGS} -c $< -o $@
+
+${PROGRAM}:	${OBJECTS}
+	$(LINKER) ${OBJECTS} ${LINKFLAGS} -o ${PROGRAM}
+
+clean:
+	rm -f ${OBJECTS} ${PROGRAM}
+
+
+run: ${PROGRAM}
+# run: clean ${PROGRAM}
+	./${PROGRAM}