include $(top_builddir)/Makefile.common
-OBJDIR = obj$(EXT)
+OBJDIR = obj$(EXT)
-SLIBSRC = NewAlloc.c
+ASXXLIB = $(srcdir)/../../asxxsrc
-SRC = lkmain.c lkarea.c lkihx.c \
- lklibr.c lkrloc.c lks19.c \
- lkgb.c lkgg.c \
- ../lkaomf51.c ../lkdata.c \
- ../lkeval.c ../lkhead.c ../lklex.c ../lklist.c \
- ../lknoice.c ../lkstore.c ../lksym.c \
- ../../asxxsrc/strcmpi.c
+ASXXLIBSRC = strcmpi.c
-OBJS = $(SRC:%.c=$(OBJDIR)/%.o)
-SLIBOBJS = $(SLIBSRC:%.c=$(OBJDIR)/%.o)
+LKLIB = $(srcdir)/..
-BINS = $(BUILDDIR)link$(EXT)$(EXEEXT)
+LKLIBSRC = lkaomf51.c lkdata.c lkeval.c \
+ lkhead.c lklex.c lklibr.c lklist.c \
+ lknoice.c lkstore.c lksym.c
-CPPFLAGS+= -I.. -I$(srcdir)/..
-CFLAGS += $(CPPFLAGS) $(OPTS) -DINDEXLIB -DMLH_MAP -DSDK
-CFLAGS += -funsigned-char -DUNIX
-CFLAGS += -I$(top_builddir)/as/$(PORT) -I$(SLIB)
+SRC = lkmain.c lkarea.c lkihx.c \
+ lkrloc.c lks19.c lkgb.c lkgg.c
+
+LKSOURCES = $(SRC) $(LKLIBSRC:%.c=$(LKLIB)/%.c) $(ASXXLIBSRC:%.c=$(ASXXLIB)/%.c)
+
+OBJS = $(SRC:%.c=$(OBJDIR)/%.o)
+LKOBJS = $(LKLIBSRC:%.c=$(OBJDIR)/%.o)
+ASXXLIBOBJS = $(ASXXLIBSRC:%.c=$(OBJDIR)/%.o)
+LKOBJECTS = $(OBJS) $(LKOBJS) $(ASXXLIBOBJS)
+
+BINS = $(BUILDDIR)link$(EXT)$(EXEEXT)
+
+CPPFLAGS += -I.. -I$(srcdir)/..
+CFLAGS += $(CPPFLAGS) $(OPTS) -DINDEXLIB -DMLH_MAP -DSDK
+CFLAGS += -funsigned-char -DUNIX
+CFLAGS += -I$(top_builddir)/as/$(PORT)
LDFLAGS = @LDFLAGS@ -lm $(EXTRALIBS)
-all: $(BINS)
+all: $(BINS)
-$(BINS): $(OBJDIR) $(OBJS) $(SLIBOBJS)
- $(CC) -g -o $(BINS) $(OBJS) $(SLIBOBJS) $(LDFLAGS)
+$(BINS): $(LKOBJECTS)
+ $(CC) -g -o $(BINS) $(LKOBJECTS) $(LDFLAGS)
-$(OBJDIR):
+# We need a '.stamp'-file in $(OBJDIR), because the time stamp
+# of $(OBJDIR) itself is always updated, when a file in $(OBJDIR)
+# is updated. A rule like
+# $(OBJDIR)/anyfile: $(OBJDIR)
+# will always force a remake (at least on Linux ext2).
+
+$(OBJDIR)/.stamp:
mkdir -p $(OBJDIR)
+ touch $(OBJDIR)/.stamp
+
+$(OBJDIR)/%.o: %.c $(OBJDIR)/.stamp
+ $(CC) -c $(CFLAGS) -o $@ $<
-$(OBJDIR)/%.o: %.c
+$(OBJDIR)/%.o: $(LKLIB)/%.c $(OBJDIR)/.stamp
$(CC) -c $(CFLAGS) -o $@ $<
-$(OBJDIR)/%.o: $(SLIB)/%.c
+$(OBJDIR)/%.o: $(ASXXLIB)/%.c $(OBJDIR)/.stamp
$(CC) -c $(CFLAGS) -o $@ $<
_link-z80: