c library tutorial added

x86_64/makefile

@@ -2,7 +2,9 @@ CC = gcc
 AS = nasm
 LD = ld
 
+CFLAGS = -g -no-pie
 ASFLAGS = -g -F dwarf -f elf64
+LFLAGS =
 
 ASSEMBLIES = $(wildcard *.asm)
 PROGRAMS = $(patsubst %.asm, bin/%, ${ASSEMBLIES})
@@ -24,5 +26,8 @@ build:
 build/%.o: %.asm
 	${AS} ${ASFLAGS}  $< -o $@
 
+bin/6_clib: build/6_clib.o
+	${CC} ${CFLAGS} $< -o $@ ${LFLAGS}
+
 bin/%: build/%.o
 	${LD} $< -o $@