Add automatic makefile header and library dependancy (#57)

Author: tlindner

build/unix/cecb/Makefile

@@ -3,13 +3,26 @@ include ../rules.mak
 
 vpath %.c ../../../cecb ../../../os9
 
-CFLAGS	+= -I../../../include -Wall
-LDFLAGS	+= -L../libtoolshed -L../libcoco -L../libcecb -L../libnative -L../librbf -L../libdecb -L../libmisc -L../libsys -ltoolshed -lcoco -ldecb -lcecb -lnative -lrbf -lmisc -lsys -lm
+CFLAGS	+= -I../../../include -Wall -MMD -MP
 
-cecb$(SUFEXE):	cecbbulkerase.o cecbdir.o cecbfstat.o cecb_main.o cecbcopy.o cecbleader.o ../os9/os9dump.o ../decb/decblist.o \
-		../libtoolshed/libtoolshed.a ../libcoco/libcoco.a ../libcecb/libcecb.a ../libnative/libnative.a \
-		../librbf/librbf.a ../libdecb/libdecb.a ../libmisc/libmisc.a ../libsys/libsys.a 
-	$(CC) -o $@ $^ $(LDFLAGS)
+SRCS = cecbbulkerase.c cecbdir.c cecbfstat.c cecb_main.c cecbcopy.c cecbleader.c \
+	../os9/os9dump.c ../decb/decblist.c
+OBJS = $(SRCS:.c=.o)
+DEPS = $(OBJS:.o=.d)
+
+LIBDEPS = ../libtoolshed/libtoolshed.a ../libcoco/libcoco.a ../libnative/libnative.a \
+	../libcecb/libcecb.a ../librbf/librbf.a ../libdecb/libdecb.a ../libmisc/libmisc.a \
+	../libsys/libsys.a
+
+# Derive -L flags from the directory part of each entry in LIBDEPS
+LDFLAGS += $(patsubst %,-L%,$(dir $(LIBDEPS))) \
+           $(patsubst ../lib%/lib%.a,-l%,$(LIBDEPS)) \
+           -lm
+
+cecb$(SUFEXE): $(OBJS) $(LIBDEPS) 
+	$(CC) -o $@ $(OBJS) $(LDFLAGS)
 
 clean:
-	$(RM) *.o cecb cecb.exe
+	$(RM) *.o *.d cecb cecb.exe
+
+-include $(DEPS)

build/unix/decb/Makefile

@@ -3,12 +3,26 @@ include ../rules.mak
 
 vpath %.c ../../../decb ../../../os9
 
-CFLAGS	+= -I../../../include -Wall
-LDFLAGS	+= -L../libtoolshed -L../libcoco -L../libnative -L../libcecb -L../librbf -L../libdecb -L../libmisc -L../libsys -ltoolshed -lcoco -lnative -lcecb -lrbf -ldecb -lmisc -lsys -lm
+CFLAGS	+= -I../../../include -Wall -MMD -MP
 
-decb$(SUFEXE):	decb_main.o decbattr.o decbcopy.o decbdir.o decbdskini.o decbfree.o decbfstat.o \
-	decbhdbconv.o decbkill.o decblist.o decbrename.o os9dump.o decbdsave.o os9dsave.o
-	$(CC) -o $@ $^ $(LDFLAGS)
+SRCS = decb_main.c decbattr.c decbcopy.c decbdir.c decbdskini.c decbfree.c decbfstat.c \
+	decbhdbconv.c decbkill.c decblist.c decbrename.c os9dump.c decbdsave.c os9dsave.c
+OBJS = $(SRCS:.c=.o)
+DEPS = $(OBJS:.o=.d)
+
+LIBDEPS = ../libtoolshed/libtoolshed.a ../libcoco/libcoco.a ../libnative/libnative.a \
+	../libcecb/libcecb.a ../librbf/librbf.a ../libdecb/libdecb.a ../libmisc/libmisc.a \
+	../libsys/libsys.a
+
+# Derive -L flags from the directory part of each entry in LIBDEPS
+LDFLAGS += $(patsubst %,-L%,$(dir $(LIBDEPS))) \
+           $(patsubst ../lib%/lib%.a,-l%,$(LIBDEPS)) \
+           -lm
+
+decb$(SUFEXE): $(OBJS) $(LIBDEPS)
+	$(CC) -o $@ $(OBJS) $(LDFLAGS)
 
 clean:
-	$(RM) *.o decb decb.exe
+	$(RM) *.o *.d decb decb.exe
+
+-include $(DEPS)

build/unix/os9/Makefile

@@ -3,13 +3,28 @@ include ../rules.mak
 
 vpath %.c ../../../os9
 
-LDFLAGS	+= -L../libtoolshed -L../libcecb -L../libcoco -L../libnative -L../libdecb -L../libmisc -L../librbf -L../libsys -ltoolshed -lcoco -lnative -ldecb -lcecb -lmisc -lrbf -lsys -lm
+CFLAGS	+= -I../../../include -Wall -MMD -MP
 
-os9$(SUFEXE):	os9copy.o os9dsave.o os9gen.o os9modbust.o os9dcheck.o os9dump.o \
-	os9id.o os9padrom.o os9_main.o os9del.o os9format.o os9ident.o \
-	os9rename.o os9attr.o os9deldir.o os9free.o os9list.o os9cmp.o \
-	os9dir.o os9fstat.o os9makdir.o
-	$(CC) -o $@ $^ $(LDFLAGS)
+SRCS = os9copy.c os9dsave.c os9gen.c os9modbust.c os9dcheck.c os9dump.c \
+	os9id.c os9padrom.c os9_main.c os9del.c os9format.c os9ident.c \
+	os9rename.c os9attr.c os9deldir.c os9free.c os9list.c os9cmp.c \
+	os9dir.c os9fstat.c os9makdir.c
+OBJS = $(SRCS:.c=.o)
+DEPS = $(OBJS:.o=.d)
+
+LIBDEPS = ../libtoolshed/libtoolshed.a ../libcoco/libcoco.a ../libnative/libnative.a \
+	../libcecb/libcecb.a ../librbf/librbf.a ../libdecb/libdecb.a ../libmisc/libmisc.a \
+	../libsys/libsys.a
+
+# Derive -L flags from the directory part of each entry in LIBDEPS
+LDFLAGS += $(patsubst %,-L%,$(dir $(LIBDEPS))) \
+           $(patsubst ../lib%/lib%.a,-l%,$(LIBDEPS)) \
+           -lm
+
+os9$(SUFEXE): $(OBJS) $(LIBDEPS)
+	$(CC) -o $@ $(OBJS) $(LDFLAGS)
 
 clean:
-	$(RM) *.o os9 os9.exe
+	$(RM) *.o *.d os9 os9.exe
+
+-include $(DEPS)