1 files changed, 9 insertions, 27 deletions

diff --git a/Makefile b/Makefile
index 8410a24..c052fe9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,32 +1,14 @@
-CC = gcc
-FLEX = flex
-BISON = bison
+bcsh: syntax.tab.o bcsh.c
+        gcc -g -o bcsh bcsh.c syntax.tab.o -lfl
 
-CFILES = $(shell find . -name "*.c")
-OBJS = $(CFILES:.c=.o)
-LFILE = $(wildcard *.l)
-YFILE = $(wildcard *.y)
-LFC = ./lex.yy.c
-YFC = ./syntax.tab.c
-LFO = $(LFC:.c=.o)
-YFO = $(YFC:.c=.o)
+syntax.tab.o: lex.yy.c syntax.tab.c
+        gcc -g -c syntax.tab.c -o syntax.tab.o
 
-bcsh: syntax $(filter-out $(LFO),$(OBJS))
-        $(CC) -g -o bcsh $(filter-out $(LFO),$(OBJS)) -lfl
+lex.yy.c: lex.l
+        flex -o lex.yy.c lex.l
 
-syntax: lexical syntax-c
-        $(CC) -c $(YFC) -o $(YFO)
-
-lexical: $(LFILE)
-        $(FLEX) -o $(LFC) $(LFILE)
-
-syntax-c: $(YFILE)
-        $(BISON) -o $(YFC) -d -v $(YFILE) -Wcounterexamples
-
--include $(patsubst %.o, %.d, $(OBJS))
+syntax.tab.c: syntax.y
+        bison -o syntax.tab.c -d -v syntax.y -Wcounterexamples
 
 clean:
-        rm -f bcsh lex.yy.c syntax.tab.c syntax.tab.h syntax.output
-        rm -f $(OBJS) $(OBJS:.o=.d)
-        rm -f $(LFC) $(YFC) $(YFC:.c=.h)
-        rm -f *~
\ No newline at end of file
+        rm -f bcsh lex.yy.c syntax.tab.c syntax.tab.h syntax.output syntax.tab.o