Implicit recursiveness and clean rule

All objects defining $(OBJS) will get them and *.a deleted during
make clean.

The all, clean and install rules now implicitly imply their -recursive
counterparts - those will just do nothing in case of $(SUBDIRS) not
defined, so that's ok.

Makefile

@@ -8,11 +8,7 @@ path_to_top = ..
 SUBDIRS = doc po src
 
 
-all: all-recursive
-
-clean: clean-recursive
+clean:
 	rm -rf features.log
 
-install: install-recursive
-
 -include Makefile.lib

Makefile.config.in

@@ -103,3 +103,11 @@ LIBS = @LIBS@
 INCLUDES = -I$(top_builddir) -I$(top_srcdir)/src
 
 COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CFLAGS) $(CFLAGS)
+
+
+### This is here because Makefile.config is usually the first thing
+### we get and sometimes the all rule can be implicit, yet we want
+### it always as the default one. So this should make sure it always
+### comes first.
+all:
+

Makefile.lib

@@ -58,6 +58,11 @@ endif
 %.a:
 	$(call cmd,archive)
 
+ifdef $(OBJS)
+clean:
+	rm -f $(OBJS) *.a
+endif
+
 
 # Recursion:
 
@@ -68,5 +73,9 @@ all-recursive install-recursive clean-recursive:
 		$(call ncmd,recmake) || exit 1; \
 	done
 
+all: all-recursive
+install: install-recursive
+clean: clean-recursive
+
 
 # vim:syntax=make

src/cache/Makefile

@@ -5,7 +5,4 @@ OBJS = cache.o dialogs.o
 all: libcache.a
 libcache.a: $(OBJS)
 
-clean:
-	rm -f *.o *.a
-
 -include ../../Makefile.lib

src/config/Makefile

@@ -5,7 +5,4 @@ OBJS = cmdline.o conf.o dialogs.o home.o kbdbind.o options.o opttypes.o timer.o
 all: libconfig.a
 libconfig.a: $(OBJS)
 
-clean:
-	rm -f *.o *.a
-
 -include ../../Makefile.lib

src/ecmascript/Makefile

@@ -2,13 +2,11 @@
 INCLUDES += $(SPIDERMONKEY_CFLAGS)
 
 SUBDIRS = spidermonkey
+
 SM_OBJS = document.o form.o location.o navigator.o unibar.o window.o
 OBJS = ecmascript.o spidermonkey.o $(foreach obj,$(SM_OBJS),spidermonkey/$(obj))
 
-all: all-recursive libecmascript.a
+all: libecmascript.a
 libecmascript.a: $(OBJS)
 
-clean:
-	rm -f *.o *.a
-
 -include ../../Makefile.lib

src/ecmascript/spidermonkey/Makefile

@@ -6,7 +6,4 @@ OBJS = document.o form.o location.o navigator.o unibar.o window.o
 
 all: $(OBJS)
 
-clean:
-	rm -f *.o *.a
-
 -include ../../../Makefile.lib

src/formhist/Makefile

@@ -5,7 +5,4 @@ OBJS = formhist.o dialogs.o
 all: libformhist.a
 libformhist.a: $(OBJS)
 
-clean:
-	rm -f *.o *.a
-
 -include ../../Makefile.lib

src/globhist/Makefile

@@ -5,7 +5,4 @@ OBJS = globhist.o dialogs.o
 all: libglobhist.a
 libglobhist.a: $(OBJS)
 
-clean:
-	rm -f *.o *.a
-
 -include ../../Makefile.lib

src/session/Makefile

@@ -5,7 +5,4 @@ OBJS = download.o history.o location.o session.o task.o
 all: libsession.a
 libsession.a: $(OBJS)
 
-clean:
-	rm -f *.o *.a
-
 -include ../../Makefile.lib