[PATCH] kbuild: Moved conmakehash to scripts

- Suggested by David Miller to avoid a race with make -j
Furthermore cleaned up a little in scripts/Makefile
- Use $(obj)
- Added a few comments

drivers/char/Makefile

@@ -209,12 +209,10 @@ obj-$(CONFIG_AGP) += agp/
 obj-$(CONFIG_DRM) += drm/
 obj-$(CONFIG_PCMCIA) += pcmcia/
 
-host-progs := conmakehash
-
 include $(TOPDIR)/Rules.make
 
-$(obj)/consolemap_deftbl.c: $(src)/$(FONTMAPFILE) $(obj)/conmakehash
-	$(obj)/conmakehash $< > $@
+$(obj)/consolemap_deftbl.c: $(src)/$(FONTMAPFILE)
+	$(call do_cmd,CONMK  $(echo_target),$(objtree)/scripts/conmakehash $< > $@)
 
 $(obj)/defkeymap.o:  $(obj)/defkeymap.c
 

drivers/video/Makefile

@@ -119,12 +119,10 @@ obj-$(CONFIG_FBCON_HGA)           += fbcon-hga.o
 obj-$(CONFIG_FBCON_STI)           += fbcon-sti.o
 obj-$(CONFIG_FBCON_ACCEL)	  += fbcon-accel.o
 
-host-progs := ../char/conmakehash
-
 include $(TOPDIR)/Rules.make
 
-$(obj)/promcon_tbl.c: $(src)/prom.uni $(obj)/../char/conmakehash
-	$(obj)/../char/conmakehash $< | \
+$(obj)/promcon_tbl.c: $(src)/prom.uni
+	$(objtree)/scripts/conmakehash $< | \
 	sed -e '/#include <[^>]*>/p' -e 's/types/init/' \
 	    -e 's/dfont\(_uni.*\]\)/promfont\1 __initdata/' > $@
 

scripts/Makefile

-
-# always needed
+###
+# scripts contains sources for various helper programs used throughout
+# the kernel for the build process.
 # ---------------------------------------------------------------------------
+# fix-dep: 	 Used to generate dependency information during build process
+# split-include: Divide all config symbols up in a number of files in
+#                include/config/...
+# docproc: 	 Preprocess .tmpl file in order to generate .sgml documentation
+# conmakehash:	 Create arrays for initializing the kernel console tables
+# tkparse: 	 Used by xconfig
 
 # The following temporary rule will make sure that people's
 # trees get updated to the right permissions, since patch(1)
 # can't do it
 CHMOD_FILES := kernel-doc mkcompile_h makelst
 
-all: fixdep split-include docproc $(CHMOD_FILES)
+all: fixdep split-include docproc conmakehash $(CHMOD_FILES)
 
-$(CHMOD_FILES): FORCE
-	@chmod a+x $@
+host-progs := fixdep split-include conmakehash docproc tkparse
+tkparse-objs := tkparse.o tkcond.o tkgen.o
 
-# xconfig
-# ---------------------------------------------------------------------------
+include $(TOPDIR)/Rules.make
 
-HEADER=header.tk
-TAIL=tail.tk
-# Previous versions always remade kconfig.tk because they always depended
-# on soundscript.  This runs fairly fast, and I can't find all the
-# Config.in files to depend on anyways.  So I'll force it to remake.
+$(CHMOD_FILES): FORCE
+	@chmod a+x $@
 
-kconfig.tk: $(TOPDIR)/arch/$(ARCH)/config.in tkparse $(HEADER) $(TAIL) FORCE
+# In reality kconfig.tk should depend on all Config.in files,
+# but it is not worth the effort to generate the dependencies.
+# The alternative solution to always generate it is fairly fast.
+# FORCE it to remake
+$(obj)/kconfig.tk: $(srctree)/arch/$(ARCH)/config.in tkparse FORCE
 	@echo '  Generating $@'
 	@(                                                      \
-	  if [ -f /usr/local/bin/wish ];	then            \
+	if [ -f /usr/local/bin/wish ];        then              \
 		echo '#!'"/usr/local/bin/wish -f";              \
-	  else                                                  \
+	else                                                    \
 		echo '#!'"/usr/bin/wish -f";                    \
-	  fi;                                                   \
-	  cat $(HEADER);                                        \
-	  ./tkparse < $<;                                       \
-	  echo "set defaults \"arch/${ARCH}/defconfig\"";       \
-	  echo "set ARCH \"${ARCH}\"";                          \
-	  cat $(TAIL)                                           \
+	fi;                                                     \
+	cat $(src)/header.tk;                                   \
+	$(obj)/tkparse < $<;                                    \
+	echo "set defaults \"arch/${ARCH}/defconfig\"";         \
+	echo "set ARCH \"${ARCH}\"";                            \
+	cat $(src)/tail.tk;                                     \
 	) > $@
-	chmod 755 $@
+	@chmod 755 $@
 
-# ---------------------------------------------------------------------------
 
+# ---------------------------------------------------------------------------
+# Targets hardcoded and wellknow in top-level makefile
 .PHONY: lxdialog
-
 lxdialog:
 	$(MAKE) -C lxdialog all
 
-# ---------------------------------------------------------------------------
-
-host-progs := fixdep split-include docproc tkparse
-
-tkparse-objs := tkparse.o tkcond.o tkgen.o
-
 # fixdep is needed to compile other host programs
+$(obj)/split-include $(obj)/docproc $(addprefix $(obj)/,$(tkparse-objs)) \
+$(obj)/conmakehash lxdialog: $(obj)/fixdep
 
-split-include docproc $(tkparse-objs) lxdialog: fixdep
-
-
-include $(TOPDIR)/Rules.make