kbuild: Remove now unnecessary usages of $(TOPDIR)

Since we now always have $(TOPDIR) = `pwd`, some usages of $(TOPDIR)
can go away.

Makefile

@@ -142,7 +142,7 @@ NM		= $(CROSS_COMPILE)nm
 STRIP		= $(CROSS_COMPILE)strip
 OBJCOPY		= $(CROSS_COMPILE)objcopy
 OBJDUMP		= $(CROSS_COMPILE)objdump
-MAKEFILES	= $(TOPDIR)/.config
+MAKEFILES	= .config
 GENKSYMS	= /sbin/genksyms
 DEPMOD		= /sbin/depmod
 KALLSYMS	= /sbin/kallsyms
@@ -387,17 +387,17 @@ targets += arch/$(ARCH)/vmlinux.lds.s
 # Single targets
 # ---------------------------------------------------------------------------
 
-%.s: %.c FORCE
+%.s: %.c scripts FORCE
 	+@$(call descend,$(@D),$@)
-%.i: %.c FORCE
+%.i: %.c scripts FORCE
 	+@$(call descend,$(@D),$@)
-%.o: %.c FORCE
+%.o: %.c scripts FORCE
 	+@$(call descend,$(@D),$@)
-%.lst: %.c FORCE
+%.lst: %.c scripts FORCE
 	+@$(call descend,$(@D),$@)
-%.s: %.S FORCE
+%.s: %.S scripts FORCE
 	+@$(call descend,$(@D),$@)
-%.o: %.S FORCE
+%.o: %.S scripts FORCE
 	+@$(call descend,$(@D),$@)
 
 # 	FIXME: The asm symlink changes when $(ARCH) changes. That's
@@ -881,7 +881,7 @@ if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\
 	@set -e; \
 	$(if $($(quiet)cmd_$(1)),echo '  $($(quiet)cmd_$(1))';) \
 	$(cmd_$(1)); \
-	$(TOPDIR)/scripts/fixdep $(depfile) $@ $(TOPDIR) '$(cmd_$(1))' > $(@D)/.$(@F).tmp; \
+	scripts/fixdep $(depfile) $@ '$(cmd_$(1))' > $(@D)/.$(@F).tmp; \
 	rm -f $(depfile); \
 	mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd)
 

Rules.make

@@ -209,10 +209,10 @@ define rule_cc_ver_c
 	$(if $($(quiet)cmd_cc_ver_c),echo '  $($(quiet)cmd_cc_ver_c)';) \
 	$(cmd_cc_ver_c); \
 	if [ ! -r $(depfile) ]; then exit 1; fi; \
-	$(TOPDIR)/scripts/fixdep $(depfile) $@ $(TOPDIR) '$(cmd_cc_ver_c)' > $(@D)/.$(@F).tmp; \
+	scripts/fixdep $(depfile) $@ '$(cmd_cc_ver_c)' > $(@D)/.$(@F).tmp; \
 	rm -f $(depfile); \
 	if [ ! -r $@ ] || cmp -s $@ $@.tmp; then \
-	  touch $(TOPDIR)/include/linux/modversions.h; \
+	  touch include/linux/modversions.h; \
 	fi; \
 	mv -f $@.tmp $@
 	mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd
@@ -561,7 +561,7 @@ if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\
 	@set -e; \
 	$(if $($(quiet)cmd_$(1)),echo '  $($(quiet)cmd_$(1))';) \
 	$(cmd_$(1)); \
-	$(TOPDIR)/scripts/fixdep $(depfile) $@ $(TOPDIR) '$(cmd_$(1))' > $(@D)/.$(@F).tmp; \
+	scripts/fixdep $(depfile) $@ '$(cmd_$(1))' > $(@D)/.$(@F).tmp; \
 	rm -f $(depfile); \
 	mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd)
 

scripts/fixdep.c

@@ -61,7 +61,7 @@
  *
  * It is invoked as
  *
- *   fixdep <depfile> <target> <topdir> <cmdline>
+ *   fixdep <depfile> <target> <cmdline>
  *
  * and will read the dependency file <depfile>
  *
@@ -111,7 +111,6 @@
 #define INT_NFIG ntohl(0x4e464947)
 #define INT_FIG_ ntohl(0x4649475f)
 
-char *topdir;
 char *target;
 char *depfile;
 char *cmdline;
@@ -119,7 +118,7 @@ char *cmdline;
 void usage(void)
 
 {
-	fprintf(stderr, "Usage: fixdep <depfile> <target> <topdir> <cmdline>\n");
+	fprintf(stderr, "Usage: fixdep <depfile> <target> <cmdline>\n");
 	exit(1);
 }
 
@@ -364,13 +363,12 @@ int main(int argc, char *argv[])
 {
 	traps();
 
-	if (argc != 5)
+	if (argc != 4)
 		usage();
 		
 	depfile = argv[1];
 	target = argv[2];
-	topdir = argv[3];
-	cmdline = argv[4];
+	cmdline = argv[3];
 
 	print_cmdline();
 	print_deps();