common.mk: directory timestamps

* common.mk, enc/Makefile.in: moved timestamp files for
  directories under the specific directory, to get rid of match
  with files under the source directory.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55696 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Sat Jul 16 06:26:00 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* common.mk, enc/Makefile.in: moved timestamp files for
+	  directories under the specific directory, to get rid of match
+	  with files under the source directory.
+
 Fri Jul 15 22:05:13 2016  Naohisa Goto  <ngotogenome@gmail.com>
 
 	* string.c (str_buf_cat): Fix potential interger overflow of capa.

common.mk

@@ -35,11 +35,12 @@ DOCLIE_GIT_REF = v1.1.5
 
 STATIC_RUBY   = static-ruby
 
+TIMESTAMPDIR  = $(EXTOUT)/.timestamp
 EXTCONF       = extconf.rb
 LIBRUBY_EXTS  = ./.libruby-with-ext.time
 REVISION_H    = ./.revision.time
-PLATFORM_D    = ./$(PLATFORM_DIR)/.time
-ENC_TRANS_D   = ./enc/trans/.time
+PLATFORM_D    = $(TIMESTAMPDIR)/.$(PLATFORM_DIR).time
+ENC_TRANS_D   = $(TIMESTAMPDIR)/.enc-trans.time
 RDOCOUT       = $(EXTOUT)/rdoc
 HTMLOUT       = $(EXTOUT)/html
 CAPIOUT       = doc/capi
@@ -693,13 +694,13 @@ PHONY:
 	$(Q)$(RM) y.tab.c y.tab.h
 
 $(PLATFORM_D):
-	$(Q) $(MAKEDIRS) $(PLATFORM_DIR)
+	$(Q) $(MAKEDIRS) $(PLATFORM_DIR) $(@D)
 	@exit > $@
 
 $(BUILTIN_ENCOBJS) $(BUILTIN_TRANSOBJS): $(ENC_TRANS_D)
 
 $(ENC_TRANS_D):
-	$(Q) $(MAKEDIRS) enc/trans
+	$(Q) $(MAKEDIRS) enc/trans $(@D)
 	@exit > $@
 
 ###

enc/Makefile.in

@@ -20,8 +20,9 @@ TRANSSODIR = $(ENCSODIR)/trans
 DLEXT = @DLEXT@
 OBJEXT = @OBJEXT@
 LIBEXT = @LIBEXT@
-ENC_TRANS_D   = ./enc/trans/.time
-ENC_TRANS_SO_D = ./enc/trans/.so.time
+TIMESTAMPDIR  = $(EXTOUT)/.timestamp
+ENC_TRANS_D   = $(TIMESTAMPDIR)/.enc-trans.time
+ENC_TRANS_SO_D = $(TIMESTAMPDIR)/.enc-trans.so.time
 
 BUILTIN_ENCS	= enc/ascii.c enc/us_ascii.c\
 		  enc/unicode.c enc/utf_8.c