Makefile.in: Automatic generation of dependencies. Clean doesn't

remove file generated by autoconf, configure, etc.  Use 'realclean'
instead.  Added '-W' option to OURCFLAGS.

diff --git a/Makefile.in b/Makefile.in
index b7f49f07f0de4ee10075db8a9490f9f608bde786..cd739b021bcb18730bcf226d4e71ab063cd36988 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -8,36 +8,50 @@ bindir                = @bindir@
 mandir                 = @mandir@
 
 CC             = @CC@
-OURCFLAGS      = -g -Wall -Wwrite-strings #-Wunused-value -Wunused-parameter
-CFLAGS                 = @CFLAGS@ -I$(srcdir) $(OURCFLAGS)
+CPPFLAGS       = @CPPFLAGS@ @DEFS@ -I$(srcdir)
+OURCFLAGS      = -Wall -W -Wwrite-strings #-Wunused-value -Wunused-parameter
+CFLAGS                 = @CFLAGS@ $(OURCFLAGS)
 LDFLAGS                = @LDFLAGS@
 LIBS           = @LIBS@
 
 #INSTALL = $(srcdir)/install-sh -c
 #INSTALL_PROGRAM = $(INSTALL)
 
-LIBOBJ=rdata.o util.o
-HEADER=rdata.h prototype.h rr.h packet.h
+LIBDNS_SOURCES=rdata.c util.c
+LIBDNS_HEADERS=rdata.h prototype.h rr.h packet.h
+LIBDNS_OBJECTS=$(LIBDNS_SOURCES:.c=.o)
 
-COMPILE                = $(CC) $(CFLAGS)
+ALL_SOURCES=main.c $(LIBDNS_SOURCES)
+
+COMPILE                = $(CC) $(CPPFLAGS) $(CFLAGS)
 LINK           = $(CC) $(CFLAGS) $(LDFLAGS)
 
-%.o:   %.c $(HEADER)
-       $(CC) $(CFLAGS) -c $<
+%.o:   %.c
+       $(COMPILE) -c $<
 
-.PHONY:        clean
+.PHONY:        clean realclean
 
-main:  main.o $(LIBOBJ)
-       $(LINK) -o $@ main.o $(LIBOBJ)
+main:  main.o $(LIBDNS_OBJECTS)
+       $(LINK) -o $@ $+
 
 clean: 
-       rm -f *.o
+       rm -f *.o *.d
        rm -f main
        rm -rf autom4te.cache/
        rm -f aclocal.m4
+
+realclean: clean
        rm -f config.status
        rm -f config.log
        rm -f Makefile
        rm -f config.h
        rm -f config.h.in
        rm -f configure
+
+# Automatic dependencies.
+%.d: %.c
+       $(SHELL) -ec '$(CC) -MM $(CPPFLAGS) $< \
+                     | sed '\''s!\(.*\)\.o[ :]*!$(dir $@)\1.o $@ : !g'\'' > $@; \
+                     [ -s $@ ] || rm -f $@'
+
+include $(ALL_SOURCES:.c=.d)