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--- a/makefile 2013-02-06 10:26:36.452829647 -0700
+++ b/makefile 2013-02-07 09:12:13.293898947 -0700
@@ -44,7 +44,7 @@
LISTING = awk.h proto.h awkgram.y lex.c b.c main.c maketab.c parse.c \
lib.c run.c tran.c
-SHIP = README FIXES $(SOURCE) ytab[ch].bak makefile \
+SHIP = README FIXES $(SOURCE) makefile \
awk.1
a.out: ytab.o $(OFILES)
@@ -52,11 +52,15 @@
$(OFILES): awk.h ytab.h proto.h
-ytab.o: awk.h proto.h awkgram.y
+#Clear dependency for parallel build: (make -j)
+#YACC generated y.tab.c and y.tab.h at the same time
+#this needs to be a static pattern rules otherwise multiple target
+#are mapped onto multiple executions of yacc, which overwrite
+#each others outputs.
+y%.c y%.h: awk.h proto.h awkgram.y
$(YACC) $(YFLAGS) awkgram.y
- mv y.tab.c ytab.c
- mv y.tab.h ytab.h
- $(CC) $(CFLAGS) -c ytab.c
+ mv y.$*.c y$*.c
+ mv y.$*.h y$*.h
proctab.c: maketab
./maketab >proctab.c
@@ -64,23 +68,23 @@
maketab: ytab.h maketab.c
$(CC) $(CFLAGS) maketab.c -o maketab
-bundle:
+bundle: $(SHIP)
@cp ytab.h ytabh.bak
@cp ytab.c ytabc.bak
- @bundle $(SHIP)
+ @bundle $(SHIP) ytabh.bak ytabc.bak
-tar:
+tar: $(SHIP)
@cp ytab.h ytabh.bak
@cp ytab.c ytabc.bak
@bundle $(SHIP) >awk.shar
- @tar cf awk.tar $(SHIP)
+ @tar cf awk.tar $(SHIP) ytabh.bak ytabc.bak
gzip awk.tar
ls -l awk.tar.gz
- @zip awk.zip $(SHIP)
+ @zip awk.zip $(SHIP) ytabh.bak ytabc.bak
ls -l awk.zip
names:
@echo $(LISTING)
clean:
- rm -f a.out *.o *.obj maketab maketab.exe *.bb *.bbg *.da *.gcov *.gcno *.gcda # proctab.c
+ rm -f a.out *.o *.obj maketab maketab.exe *.bb *.bbg *.da *.gcov *.gcno *.gcda ytab.c ytab.h # proctab.c
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