* common.mk: dependencies updated.

* tool/update-deps: new file to assist update dependencies in
  common.mk.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32157 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,10 @@
+Sat Jun 18 08:12:54 2011  Tanaka Akira  <akr@fsij.org>
+
+	* common.mk: dependencies updated.
+
+	* tool/update-deps: new file to assist update dependencies in
+	  common.mk.
+
 Sat Jun 18 07:27:27 2011  Tanaka Akira  <akr@fsij.org>
 
 	* internal.h: declare internal functions here.

common.mk

@@ -580,78 +580,93 @@ RUBY_H_INCLUDES    = {$(VPATH)}ruby.h {$(VPATH)}config.h {$(VPATH)}defines.h \
 ENCODING_H_INCLUDES= {$(VPATH)}encoding.h {$(VPATH)}oniguruma.h
 ID_H_INCLUDES      = {$(VPATH)}id.h {$(VPATH)}vm_opts.h
 VM_CORE_H_INCLUDES = {$(VPATH)}vm_core.h {$(VPATH)}thread_$(THREAD_MODEL).h \
-		     {$(VPATH)}node.h {$(VPATH)}method.h $(ID_H_INCLUDES)
+		     {$(VPATH)}node.h {$(VPATH)}method.h {$(VPATH)}atomic.h \
+		     $(ID_H_INCLUDES)
 
-array.$(OBJEXT): {$(VPATH)}array.c $(RUBY_H_INCLUDES) {$(VPATH)}util.h
+array.$(OBJEXT): {$(VPATH)}array.c $(RUBY_H_INCLUDES) {$(VPATH)}util.h \
-bignum.$(OBJEXT): {$(VPATH)}bignum.c $(RUBY_H_INCLUDES) {$(VPATH)}util.h
-class.$(OBJEXT): {$(VPATH)}class.c $(RUBY_H_INCLUDES) \
-  $(VM_CORE_H_INCLUDES) {$(VPATH)}debug.h {$(VPATH)}internal.h
-compar.$(OBJEXT): {$(VPATH)}compar.c $(RUBY_H_INCLUDES)
-complex.$(OBJEXT): {$(VPATH)}complex.c $(RUBY_H_INCLUDES)
-dir.$(OBJEXT): {$(VPATH)}dir.c $(RUBY_H_INCLUDES) {$(VPATH)}util.h \
   $(ENCODING_H_INCLUDES)
+bignum.$(OBJEXT): {$(VPATH)}bignum.c $(RUBY_H_INCLUDES) {$(VPATH)}util.h \
+  {$(VPATH)}internal.h
+class.$(OBJEXT): {$(VPATH)}class.c $(RUBY_H_INCLUDES) \
+  $(VM_CORE_H_INCLUDES) {$(VPATH)}debug.h {$(VPATH)}internal.h \
+  {$(VPATH)}constant.h
+compar.$(OBJEXT): {$(VPATH)}compar.c $(RUBY_H_INCLUDES)
+complex.$(OBJEXT): {$(VPATH)}complex.c $(RUBY_H_INCLUDES) \
+  {$(VPATH)}internal.h
+dir.$(OBJEXT): {$(VPATH)}dir.c $(RUBY_H_INCLUDES) {$(VPATH)}util.h \
+  $(ENCODING_H_INCLUDES) \
+  {$(VPATH)}internal.h
 dln.$(OBJEXT): {$(VPATH)}dln.c {$(VPATH)}dln.h $(RUBY_H_INCLUDES)
 dln_find.$(OBJEXT): {$(VPATH)}dln_find.c {$(VPATH)}dln.h $(RUBY_H_INCLUDES)
 dmydln.$(OBJEXT): {$(VPATH)}dmydln.c $(RUBY_H_INCLUDES)
 dmyext.$(OBJEXT): {$(VPATH)}dmyext.c
 dmyencoding.$(OBJEXT): {$(VPATH)}dmyencoding.c $(RUBY_H_INCLUDES) \
   {$(VPATH)}regenc.h {$(VPATH)}util.h $(ENCODING_H_INCLUDES) \
-  {$(VPATH)}encoding.c
+  {$(VPATH)}encoding.c {$(VPATH)}internal.h
 encoding.$(OBJEXT): {$(VPATH)}encoding.c $(RUBY_H_INCLUDES) \
-  $(ENCODING_H_INCLUDES) {$(VPATH)}regenc.h {$(VPATH)}util.h
+  $(ENCODING_H_INCLUDES) {$(VPATH)}regenc.h {$(VPATH)}util.h \
+  {$(VPATH)}internal.h
 enum.$(OBJEXT): {$(VPATH)}enum.c $(RUBY_H_INCLUDES) {$(VPATH)}node.h \
   {$(VPATH)}util.h $(ID_H_INCLUDES)
 enumerator.$(OBJEXT): {$(VPATH)}enumerator.c $(RUBY_H_INCLUDES)
 error.$(OBJEXT): {$(VPATH)}error.c {$(VPATH)}known_errors.inc \
   $(RUBY_H_INCLUDES) $(VM_CORE_H_INCLUDES) $(ENCODING_H_INCLUDES) \
-  {$(VPATH)}debug.h
+  {$(VPATH)}debug.h \
+  {$(VPATH)}internal.h
 eval.$(OBJEXT): {$(VPATH)}eval.c {$(VPATH)}eval_intern.h {$(VPATH)}vm.h \
   $(RUBY_H_INCLUDES) $(VM_CORE_H_INCLUDES) {$(VPATH)}eval_error.c \
-  {$(VPATH)}eval_jump.c {$(VPATH)}debug.h {$(VPATH)}gc.h {$(VPATH)}iseq.h
+  {$(VPATH)}eval_jump.c {$(VPATH)}debug.h {$(VPATH)}gc.h {$(VPATH)}iseq.h \
+  $(ENCODING_H_INCLUDES) {$(VPATH)}internal.h
 load.$(OBJEXT): {$(VPATH)}load.c {$(VPATH)}eval_intern.h \
   {$(VPATH)}util.h $(RUBY_H_INCLUDES) $(VM_CORE_H_INCLUDES) \
-  {$(VPATH)}dln.h {$(VPATH)}debug.h
+  {$(VPATH)}dln.h {$(VPATH)}debug.h \
+  {$(VPATH)}internal.h
 file.$(OBJEXT): {$(VPATH)}file.c $(RUBY_H_INCLUDES) {$(VPATH)}io.h \
-  $(ENCODING_H_INCLUDES) {$(VPATH)}util.h {$(VPATH)}dln.h
+  $(ENCODING_H_INCLUDES) {$(VPATH)}util.h {$(VPATH)}dln.h \
+  {$(VPATH)}internal.h
 gc.$(OBJEXT): {$(VPATH)}gc.c $(RUBY_H_INCLUDES) {$(VPATH)}re.h \
   {$(VPATH)}regex.h $(ENCODING_H_INCLUDES) $(VM_CORE_H_INCLUDES) \
   {$(VPATH)}gc.h {$(VPATH)}io.h {$(VPATH)}eval_intern.h {$(VPATH)}util.h \
-  {$(VPATH)}debug.h {$(VPATH)}internal.h {$(VPATH)}atomic.h
+  {$(VPATH)}debug.h {$(VPATH)}internal.h {$(VPATH)}constant.h
-hash.$(OBJEXT): {$(VPATH)}hash.c $(RUBY_H_INCLUDES) {$(VPATH)}util.h
+hash.$(OBJEXT): {$(VPATH)}hash.c $(RUBY_H_INCLUDES) {$(VPATH)}util.h \
-inits.$(OBJEXT): {$(VPATH)}inits.c $(RUBY_H_INCLUDES)
+  $(ENCODING_H_INCLUDES)
+inits.$(OBJEXT): {$(VPATH)}inits.c $(RUBY_H_INCLUDES) \
+  {$(VPATH)}internal.h
 io.$(OBJEXT): {$(VPATH)}io.c $(RUBY_H_INCLUDES) {$(VPATH)}io.h \
-  {$(VPATH)}util.h $(ENCODING_H_INCLUDES) {$(VPATH)}dln.h
+  {$(VPATH)}util.h $(ENCODING_H_INCLUDES) {$(VPATH)}dln.h {$(VPATH)}internal.h
 main.$(OBJEXT): {$(VPATH)}main.c $(RUBY_H_INCLUDES) {$(VPATH)}debug.h \
   {$(VPATH)}node.h
 marshal.$(OBJEXT): {$(VPATH)}marshal.c $(RUBY_H_INCLUDES) {$(VPATH)}io.h \
   $(ENCODING_H_INCLUDES) {$(VPATH)}util.h {$(VPATH)}internal.h
-math.$(OBJEXT): {$(VPATH)}math.c $(RUBY_H_INCLUDES)
+math.$(OBJEXT): {$(VPATH)}math.c $(RUBY_H_INCLUDES) \
-node.$(OBJEXT): {$(VPATH)}node.c $(RUBY_H_INCLUDES) \
-  $(VM_CORE_H_INCLUDES)
-numeric.$(OBJEXT): {$(VPATH)}numeric.c $(RUBY_H_INCLUDES) \
-  {$(VPATH)}util.h $(ENCODING_H_INCLUDES)
-object.$(OBJEXT): {$(VPATH)}object.c $(RUBY_H_INCLUDES) {$(VPATH)}util.h \
   {$(VPATH)}internal.h
+node.$(OBJEXT): {$(VPATH)}node.c $(RUBY_H_INCLUDES) \
+  $(VM_CORE_H_INCLUDES) {$(VPATH)}debug.h
+numeric.$(OBJEXT): {$(VPATH)}numeric.c $(RUBY_H_INCLUDES) \
+  {$(VPATH)}util.h $(ENCODING_H_INCLUDES) {$(VPATH)}internal.h
+object.$(OBJEXT): {$(VPATH)}object.c $(RUBY_H_INCLUDES) {$(VPATH)}util.h \
+  {$(VPATH)}internal.h {$(VPATH)}constant.h
 pack.$(OBJEXT): {$(VPATH)}pack.c $(RUBY_H_INCLUDES) {$(VPATH)}encoding.h \
   {$(VPATH)}oniguruma.h
 parse.$(OBJEXT): {$(VPATH)}parse.c $(RUBY_H_INCLUDES) {$(VPATH)}node.h \
   $(ENCODING_H_INCLUDES) $(ID_H_INCLUDES) {$(VPATH)}regenc.h \
   {$(VPATH)}regex.h {$(VPATH)}util.h {$(VPATH)}lex.c \
   {$(VPATH)}defs/keywords {$(VPATH)}id.c {$(VPATH)}parse.y \
-  {$(VPATH)}parse.h
+  {$(VPATH)}parse.h \
+  {$(VPATH)}internal.h
 proc.$(OBJEXT): {$(VPATH)}proc.c {$(VPATH)}eval_intern.h \
   $(RUBY_H_INCLUDES) {$(VPATH)}gc.h $(VM_CORE_H_INCLUDES) \
-  {$(VPATH)}debug.h {$(VPATH)}internal.h
+  {$(VPATH)}debug.h {$(VPATH)}internal.h {$(VPATH)}iseq.h
 process.$(OBJEXT): {$(VPATH)}process.c $(RUBY_H_INCLUDES) \
   {$(VPATH)}util.h {$(VPATH)}io.h $(ENCODING_H_INCLUDES) {$(VPATH)}dln.h \
-  $(VM_CORE_H_INCLUDES) {$(VPATH)}debug.h
+  $(VM_CORE_H_INCLUDES) {$(VPATH)}debug.h {$(VPATH)}internal.h
 random.$(OBJEXT): {$(VPATH)}random.c $(RUBY_H_INCLUDES)
 range.$(OBJEXT): {$(VPATH)}range.c $(RUBY_H_INCLUDES) \
-  $(ENCODING_H_INCLUDES)
+  $(ENCODING_H_INCLUDES) {$(VPATH)}internal.h
-rational.$(OBJEXT): {$(VPATH)}rational.c $(RUBY_H_INCLUDES)
+rational.$(OBJEXT): {$(VPATH)}rational.c $(RUBY_H_INCLUDES) {$(VPATH)}internal.h
 re.$(OBJEXT): {$(VPATH)}re.c $(RUBY_H_INCLUDES) {$(VPATH)}re.h \
   {$(VPATH)}regex.h $(ENCODING_H_INCLUDES) {$(VPATH)}util.h \
-  {$(VPATH)}regint.h {$(VPATH)}regenc.h
+  {$(VPATH)}regint.h {$(VPATH)}regenc.h {$(VPATH)}internal.h
 regcomp.$(OBJEXT): {$(VPATH)}regcomp.c {$(VPATH)}regparse.h \
   {$(VPATH)}regint.h {$(VPATH)}regenc.h {$(VPATH)}oniguruma.h \
   $(RUBY_H_INCLUDES)
@@ -668,35 +683,34 @@ regsyntax.$(OBJEXT): {$(VPATH)}regsyntax.c {$(VPATH)}regint.h \
   {$(VPATH)}regenc.h {$(VPATH)}oniguruma.h $(RUBY_H_INCLUDES)
 ruby.$(OBJEXT): {$(VPATH)}ruby.c $(RUBY_H_INCLUDES) {$(VPATH)}util.h \
   $(ENCODING_H_INCLUDES) {$(VPATH)}eval_intern.h $(VM_CORE_H_INCLUDES) \
-  {$(VPATH)}dln.h {$(VPATH)}debug.h
+  {$(VPATH)}dln.h {$(VPATH)}debug.h {$(VPATH)}internal.h
 safe.$(OBJEXT): {$(VPATH)}safe.c $(RUBY_H_INCLUDES) \
   $(VM_CORE_H_INCLUDES) {$(VPATH)}debug.h
 signal.$(OBJEXT): {$(VPATH)}signal.c $(RUBY_H_INCLUDES) \
-  $(VM_CORE_H_INCLUDES) {$(VPATH)}debug.h {$(VPATH)}atomic.h
+  $(VM_CORE_H_INCLUDES) {$(VPATH)}debug.h
 sprintf.$(OBJEXT): {$(VPATH)}sprintf.c $(RUBY_H_INCLUDES) {$(VPATH)}re.h \
   {$(VPATH)}regex.h {$(VPATH)}vsnprintf.c $(ENCODING_H_INCLUDES)
-st.$(OBJEXT): {$(VPATH)}st.c {$(VPATH)}config.h {$(VPATH)}defines.h \
+st.$(OBJEXT): {$(VPATH)}st.c $(RUBY_H_INCLUDES)
-  {$(VPATH)}st.h {$(VPATH)}ruby.h {$(VPATH)}missing.h {$(VPATH)}intern.h
+strftime.$(OBJEXT): {$(VPATH)}strftime.c $(RUBY_H_INCLUDES) \
-strftime.$(OBJEXT): {$(VPATH)}strftime.c {$(VPATH)}ruby.h \
+  {$(VPATH)}timev.h
-  {$(VPATH)}config.h {$(VPATH)}defines.h {$(VPATH)}missing.h \
-  {$(VPATH)}intern.h {$(VPATH)}st.h {$(VPATH)}timev.h
 string.$(OBJEXT): {$(VPATH)}string.c $(RUBY_H_INCLUDES) {$(VPATH)}re.h \
-  {$(VPATH)}regex.h $(ENCODING_H_INCLUDES)
+  {$(VPATH)}regex.h $(ENCODING_H_INCLUDES) {$(VPATH)}internal.h
 struct.$(OBJEXT): {$(VPATH)}struct.c $(RUBY_H_INCLUDES) {$(VPATH)}internal.h
 thread.$(OBJEXT): {$(VPATH)}thread.c {$(VPATH)}eval_intern.h \
   $(RUBY_H_INCLUDES) {$(VPATH)}gc.h $(VM_CORE_H_INCLUDES) \
-  {$(VPATH)}debug.h {$(VPATH)}thread_$(THREAD_MODEL).c {$(VPATH)}atomic.h
+  {$(VPATH)}debug.h {$(VPATH)}thread_$(THREAD_MODEL).c $(ENCODING_H_INCLUDES) \
+  {$(VPATH)}internal.h {$(VPATH)}io.h
 transcode.$(OBJEXT): {$(VPATH)}transcode.c $(RUBY_H_INCLUDES) \
-  $(ENCODING_H_INCLUDES) {$(VPATH)}transcode_data.h
+  $(ENCODING_H_INCLUDES) {$(VPATH)}transcode_data.h {$(VPATH)}internal.h
 cont.$(OBJEXT): {$(VPATH)}cont.c $(RUBY_H_INCLUDES) \
   $(VM_CORE_H_INCLUDES) {$(VPATH)}gc.h {$(VPATH)}eval_intern.h \
-  {$(VPATH)}debug.h {$(VPATH)}atomic.h
+  {$(VPATH)}debug.h {$(VPATH)}internal.h
 time.$(OBJEXT): {$(VPATH)}time.c $(RUBY_H_INCLUDES) \
-  $(ENCODING_H_INCLUDES) {$(VPATH)}timev.h
+  $(ENCODING_H_INCLUDES) {$(VPATH)}timev.h {$(VPATH)}internal.h
 util.$(OBJEXT): {$(VPATH)}util.c $(RUBY_H_INCLUDES) {$(VPATH)}util.h
 variable.$(OBJEXT): {$(VPATH)}variable.c $(RUBY_H_INCLUDES) \
   {$(VPATH)}node.h {$(VPATH)}util.h {$(VPATH)}encoding.h \
-  {$(VPATH)}oniguruma.h {$(VPATH)}internal.h
+  {$(VPATH)}oniguruma.h {$(VPATH)}internal.h {$(VPATH)}constant.h
 version.$(OBJEXT): {$(VPATH)}version.c $(RUBY_H_INCLUDES) \
   {$(VPATH)}version.h $(srcdir)/version.h $(srcdir)/revision.h {$(VPATH)}config.h
 dmyversion.$(OBJEXT): {$(VPATH)}dmyversion.c version.$(OBJEXT)
@@ -704,49 +718,51 @@ dmyversion.$(OBJEXT): {$(VPATH)}dmyversion.c version.$(OBJEXT)
 compile.$(OBJEXT): {$(VPATH)}compile.c {$(VPATH)}iseq.h \
   $(RUBY_H_INCLUDES) $(VM_CORE_H_INCLUDES) {$(VPATH)}insns.inc \
   {$(VPATH)}insns_info.inc {$(VPATH)}optinsn.inc {$(VPATH)}debug.h \
-  {$(VPATH)}optunifs.inc {$(VPATH)}opt_sc.inc {$(VPATH)}insns.inc
+  {$(VPATH)}optunifs.inc {$(VPATH)}opt_sc.inc {$(VPATH)}insns.inc \
+  {$(VPATH)}internal.h
 iseq.$(OBJEXT): {$(VPATH)}iseq.c {$(VPATH)}gc.h {$(VPATH)}iseq.h \
   $(RUBY_H_INCLUDES) $(VM_CORE_H_INCLUDES) {$(VPATH)}insns.inc \
-  {$(VPATH)}insns_info.inc {$(VPATH)}node_name.inc {$(VPATH)}debug.h
+  {$(VPATH)}insns_info.inc {$(VPATH)}node_name.inc {$(VPATH)}debug.h {$(VPATH)}internal.h
 vm.$(OBJEXT): {$(VPATH)}vm.c {$(VPATH)}gc.h {$(VPATH)}iseq.h \
   {$(VPATH)}eval_intern.h $(RUBY_H_INCLUDES) $(ENCODING_H_INCLUDES) \
   $(VM_CORE_H_INCLUDES) {$(VPATH)}vm_method.c {$(VPATH)}vm_eval.c \
   {$(VPATH)}vm_insnhelper.c {$(VPATH)}vm_insnhelper.h {$(VPATH)}vm_exec.c \
   {$(VPATH)}vm_exec.h {$(VPATH)}insns.def {$(VPATH)}vmtc.inc \
   {$(VPATH)}vm.inc {$(VPATH)}insns.inc {$(VPATH)}debug.h \
-  {$(VPATH)}internal.h
+  {$(VPATH)}internal.h {$(VPATH)}vm.h {$(VPATH)}constant.h
 vm_dump.$(OBJEXT): {$(VPATH)}vm_dump.c $(RUBY_H_INCLUDES) \
-  $(VM_CORE_H_INCLUDES) {$(VPATH)}debug.h
+  $(VM_CORE_H_INCLUDES) {$(VPATH)}debug.h {$(VPATH)}addr2line.h
 debug.$(OBJEXT): {$(VPATH)}debug.c $(RUBY_H_INCLUDES) \
   $(ENCODING_H_INCLUDES) $(VM_CORE_H_INCLUDES) {$(VPATH)}eval_intern.h \
   {$(VPATH)}util.h {$(VPATH)}debug.h
 id.$(OBJEXT): {$(VPATH)}id.c $(RUBY_H_INCLUDES) $(ID_H_INCLUDES)
 miniprelude.$(OBJEXT): {$(VPATH)}miniprelude.c $(RUBY_H_INCLUDES) \
-  $(VM_CORE_H_INCLUDES) {$(VPATH)}debug.h
+  $(VM_CORE_H_INCLUDES) {$(VPATH)}debug.h {$(VPATH)}internal.h
 prelude.$(OBJEXT): {$(VPATH)}prelude.c $(RUBY_H_INCLUDES) \
-  $(VM_CORE_H_INCLUDES) {$(VPATH)}debug.h
+  $(VM_CORE_H_INCLUDES) {$(VPATH)}debug.h {$(VPATH)}internal.h
 golf_prelude.$(OBJEXT): {$(VPATH)}golf_prelude.c $(RUBY_H_INCLUDES) \
-  $(VM_CORE_H_INCLUDES) {$(VPATH)}debug.h
+  $(VM_CORE_H_INCLUDES) {$(VPATH)}debug.h {$(VPATH)}internal.h
 goruby.$(OBJEXT): {$(VPATH)}goruby.c {$(VPATH)}main.c $(RUBY_H_INCLUDES) \
   {$(VPATH)}debug.h {$(VPATH)}node.h
 
 ascii.$(OBJEXT): {$(VPATH)}ascii.c {$(VPATH)}regenc.h {$(VPATH)}config.h \
-  {$(VPATH)}defines.h {$(VPATH)}oniguruma.h
+  {$(VPATH)}oniguruma.h {$(VPATH)}missing.h
 us_ascii.$(OBJEXT): {$(VPATH)}us_ascii.c {$(VPATH)}regenc.h \
-  {$(VPATH)}config.h {$(VPATH)}defines.h {$(VPATH)}oniguruma.h
+  {$(VPATH)}config.h {$(VPATH)}oniguruma.h {$(VPATH)}missing.h
 unicode.$(OBJEXT): {$(VPATH)}unicode.c {$(VPATH)}regint.h \
   {$(VPATH)}config.h {$(VPATH)}defines.h {$(VPATH)}regenc.h \
   {$(VPATH)}oniguruma.h {$(VPATH)}st.h {$(VPATH)}ruby.h \
-  {$(VPATH)}missing.h {$(VPATH)}intern.h {$(VPATH)}enc/unicode/name2ctype.h
+  {$(VPATH)}missing.h {$(VPATH)}intern.h {$(VPATH)}enc/unicode/name2ctype.h \
+  {$(VPATH)}subst.h
 
 utf_8.$(OBJEXT): {$(VPATH)}utf_8.c {$(VPATH)}regenc.h {$(VPATH)}config.h \
-  {$(VPATH)}defines.h {$(VPATH)}oniguruma.h
+  {$(VPATH)}oniguruma.h {$(VPATH)}missing.h
 
 newline.c: $(srcdir)/enc/trans/newline.trans $(srcdir)/tool/transcode-tblgen.rb
 	$(Q) $(BASERUBY) "$(srcdir)/tool/transcode-tblgen.rb" -vo newline.c $(srcdir)/enc/trans/newline.trans
 newline.$(OBJEXT): {$(VPATH)}newline.c {$(VPATH)}defines.h \
   {$(VPATH)}intern.h {$(VPATH)}missing.h {$(VPATH)}st.h \
-  {$(VPATH)}transcode_data.h {$(VPATH)}ruby.h {$(VPATH)}config.h
+  {$(VPATH)}transcode_data.h {$(VPATH)}ruby.h {$(VPATH)}config.h {$(VPATH)}subst.h
 
 $(OBJS):  {$(VPATH)}config.h {$(VPATH)}missing.h
 

tool/update-deps

@@ -0,0 +1,139 @@
+#!/usr/bin/ruby
+
+# tool/update-deps assists you to update dependencies in common.mk.
+
+# This script uses preprocessed source files (*.i) to extract
+# dependencies.
+# It is possible to generate *.i using gcc with -save-temps option as:
+#
+#   ./configure CFLAGS='-save-temps'
+#   make all golf
+#
+# After that, tool/update-deps generate common.mk with up-to-date dependencies.
+# Currently, the result is not perfect around version.o, compile.o, etc.
+# So you must see each changes and incorporate right changes.
+#
+#   ./tool/update-deps > z
+#   wdiff =(sed -e 's/\\$//' common.mk ) =(sed -e 's/\\$//' z) |less -j 5 -p '\{\+|\+\}|\[-|-\]'
+#   vi common.mk
+
+src = File.read("common.mk")
+
+includes_macro = {}
+src.scan(/^([A-Z_]+_H_INCLUDES)[ \t]*=(([^\\\n]|\\(.|\n))*)\n/) {
+  name = $1
+  vals = $2
+  #STDERR.puts vals.inspect
+  vals.gsub!(/\\\n/, ' ')
+  vals.gsub!(/\{\$\(VPATH\)\}/, '')
+  vals.gsub!(/thread_\$\(THREAD_MODEL\)/, 'thread_pthread')
+  vals = vals.strip.split(/\s+/)
+  includes_macro[name] = vals
+  #STDERR.puts  [name, vals].inspect
+}
+
+begin
+  again = false
+  includes_macro.each  {|name, vals|
+    vals.map! {|val|
+      if /\A\$\((.*_H_INCLUDES)\)\z/ =~ val
+        again = true
+        includes_macro.fetch($1)
+      else
+        val
+      end
+    }
+    vals.flatten!
+  }
+end while again
+
+src.gsub!(/^([0-9a-z._]+)\.\$\(OBJEXT\):(.*\n(?:[ 	].*\n)*)/) {
+  #STDERR.puts  $&.inspect
+  matched = $&
+  basename = $1
+  deps = $2
+  dd = deps.dup
+  dd.gsub!(/\{\$\(VPATH\)\}/, '')
+  dd.gsub!(/\\\n/, ' ')
+  dd.gsub!(/thread_\$\(THREAD_MODEL\)/, 'thread_pthread')
+  used_imacro = {}
+  includes_macro.each {|k, v|
+    if dd.sub!(/\$\(#{Regexp.escape k}\)/) { v.join(' ') }
+      used_imacro[k] = true
+    end
+  }
+  dd = dd.strip.split(/\s+/)
+  if !File.file?("#{basename}.o")
+    warn "#{basename}.o not found."
+  else
+    unless File.file? "#{basename}.i"
+      puts "#{basename}.i not found."
+      next
+    end
+    incs = []
+    File.foreach("#{basename}.i") {|line|
+      next unless /^# \d+ "([^"]*)"/ =~ line
+      inc = $1
+      next if %r{\A[/<]} =~ inc
+      inc.sub!(%r{\A\./}, '')
+      inc.sub!(%r{\Ainclude/ruby/}, '') or
+      inc.sub!(%r{\Ainclude/}, '') or
+      inc.sub!(%r{\A\.ext/include/[^/]+/ruby/}, '') or
+      inc.sub!(%r{\Aenc/}, '') or
+      inc.sub!(%r{\Amissing/}, '')
+      #p inc
+      incs << inc
+    }
+    incs.uniq!
+    incs = incs.sort_by {|inc| [(dd.index(inc) || dd.length), incs.index(inc)] }
+    add = incs - dd
+    if !add.empty? || true
+      if incs[0] != dd[0]
+        raise "first file not matched: #{incs[0].inspect} v.s. #{dd[0].inspect}"
+      end
+      depline = "#{basename}.$(OBJEXT):"
+      used_imacro.each_key {|k|
+        if includes_macro[k].all? {|v| incs.include? v }
+          im = "$(#{k})"
+          incs.map! {|inc|
+            if includes_macro[k].include? inc
+              im0 = im
+              im = nil
+              im0
+            else
+              inc
+            end
+          }
+          incs.compact!
+        else
+          needless = includes_macro[k].reject {|v| incs.include? v }
+          STDERR.puts "#{basename}.$(OBJEXT) can't use #{k}. #{needless.join(' ')} is not used."
+        end
+      }
+
+      incs.each {|inc|
+        inc = inc.sub(/\Athread_pthread/, 'thread_$(THREAD_MODEL)')
+        if /_INCLUDES\)\z/ =~ inc
+          # use $(RUBY_H_INCLUDES) as is.
+        elsif inc == 'revision.h'
+          inc = '$(srcdir)/revision.h'
+        else
+          inc = "{$(VPATH)}#{inc}"
+        end
+        depline << " #{inc}"
+      }
+      lines = []
+      while 72 < depline.length && depline.sub!(/\A(.{0,72}|.{72}.*?) /, '')
+        lines << $&
+      end
+      lines << depline
+      matched = lines.join("\\\n  ")
+      matched << "\n"
+    end
+  end
+  #STDERR.puts  matched.inspect
+  matched
+}
+
+puts src
+