# For simple projects you could just do:
# SRCFILES += $(wildcard ccan/*/*.c)
-#CFLAGS=-g -O3 -Wall -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-declarations -Werror -I. $(DEPGEN)
-CFLAGS=-g -Wall -Wstrict-prototypes -Wold-style-definition -Werror -I. $(DEPGEN)
+CFLAGS=-g -O3 -Wall -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-declarations -Werror -I. $(DEPGEN)
+#CFLAGS=-g -Wall -Wstrict-prototypes -Wold-style-definition -Werror -I. $(DEPGEN)
-# Automatic dependency generation: makes ccan/*.d files.
+default: libccan.a
+
+# Automatic dependency generation: makes ccan/*/*.d files.
DEPGEN=-MD
-include ccan/*/*.d
# Every directory with .c files is included.
-DIRS=$(filter-out $(EXCLUDE), $(patsubst %/, %, $(sort $(dir $(wildcard ccan/*/*.c)))))
+DIRS=$(filter-out $(foreach d,$(EXCLUDE),ccan/$d), $(patsubst %/, %, $(sort $(dir $(wildcard ccan/*/*.c)))))
+
+# Generate everyone's separate Makefiles.
+-include $(foreach dir, $(DIRS), $(dir)-Makefile)
+
+ccan/%-Makefile:
+ @echo $@: $(wildcard ccan/$*/*.[ch]) ccan/$*/_info > $@
+ @echo ccan/$*.o: $(patsubst %.c, %.o, $(wildcard ccan/$*/*.c)) >> $@
# We compile all the ccan/foo/*.o files together into ccan/foo.o
OBJFILES=$(DIRS:=.o)
-libccan.a: $(OBJFILES)
- $(AR) r $@ $^
-
-# Dependencies are autogenerated in the .d files.
# We create all the .o files and link them together.
$(OBJFILES): %.o:
- cd $* && $(CC) -I../.. $(CFLAGS) -c *.c && cd ../.. && $(LD) -r -o $@ `echo $*/*.c ' ' | sed 's/\.c /.o /g'`
+ $(LD) -r -o $@ $^
+libccan.a: $(OBJFILES)
+ $(AR) r $@ $(OBJFILES)