Start C++ rewrite.

Makefile

@@ -2,17 +2,38 @@ TARGET :=		ke
 KE_VERSION :=		devel
 DEST :=			$(HOME)/.local/bin/$(TARGET)
 
+CC :=		gcc
+CXX :=		g++
+
 CFLAGS :=	-Wall -Wextra -pedantic -Wshadow -Werror -std=c99 -g
 CFLAGS +=	-Wno-unused-result
 CFLAGS +=	-D_DEFAULT_SOURCE -D_XOPEN_SOURCE
 CFLAGS +=	-fsanitize=address -fno-omit-frame-pointer 
 
+CXXFLAGS :=	-Wall -Wextra -pedantic -Wshadow -Werror -std=c++17 -g
+CXXFLAGS +=	-Wno-unused-result
+CXXFLAGS +=	-D_DEFAULT_SOURCE -D_XOPEN_SOURCE
+CXXFLAGS +=	-DKE_VERSION='"ke $(KE_VERSION)"'
+CXXFLAGS +=	-fsanitize=address -fno-omit-frame-pointer
+
 LDFLAGS :=	-fsanitize=address
 
+SOURCES :=	main.cc abuf.cc erow.cc
+OBJECTS :=	main.o abuf.o erow.o
+
 all: $(TARGET) test.txt
 
-$(TARGET): main.c
-	$(CC) $(CFLAGS) -o $(TARGET) $(LDFLAGS) main.c
+$(TARGET): $(OBJECTS)
+	$(CXX) $(CXXFLAGS) -o $(TARGET) $(OBJECTS) $(LDFLAGS)
+
+main.o: main.cc ke_constants.h
+	$(CXX) $(CXXFLAGS) -c main.cc
+
+abuf.o: abuf.cc abuf.h
+	$(CXX) $(CXXFLAGS) -c abuf.cc
+
+erow.o: erow.cc erow.h
+	$(CXX) $(CXXFLAGS) -c erow.cc
 
 .PHONY: install
 #install: $(TARGET) 
@@ -21,6 +42,7 @@ install:
 
 clean:
 	rm -f $(TARGET)
+	rm -f $(OBJECTS)
 	rm -f asan.log*
 
 .PHONY: test.txt