setup.mak: split release date

* win32/setup.mak (verconf.mk): split release date into year,
  month, and day.

* common.mk (RUBY_RELEASE_DATE): move from Makefile.in to share
  with win32/setup.mak.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53312 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Makefile.in

@@ -90,7 +90,6 @@ POSTLINK = @POSTLINK@
 
 RUBY_BASE_NAME=@RUBY_BASE_NAME@
 RUBY_PROGRAM_VERSION=@RUBY_PROGRAM_VERSION@
-RUBY_RELEASE_DATE = $(RUBY_RELEASE_YEAR)-$(RUBY_RELEASE_MONTH)-$(RUBY_RELEASE_DAY)
 RUBY_INSTALL_NAME=@RUBY_INSTALL_NAME@
 RUBY_SO_NAME=@RUBY_SO_NAME@
 EXEEXT = @EXEEXT@

common.mk

@@ -13,6 +13,7 @@ ECHO = @$(ECHO0)
 
 UNICODE_VERSION = 8.0.0
 
+RUBY_RELEASE_DATE = $(RUBY_RELEASE_YEAR)-$(RUBY_RELEASE_MONTH)-$(RUBY_RELEASE_DAY)
 RUBYLIB       = $(PATH_SEPARATOR)
 RUBYOPT       = -
 RUN_OPTS      = --disable-gems

win32/setup.mak

@@ -129,15 +129,17 @@ MSC_VER = _MSC_VER
 
 verconf.mk: nul
 	@$(CPP) -I$(srcdir) -I$(srcdir)/include <<"Creating $(@)" | findstr "=" >$(@)
-#define STRINGIZE(expr) STRINGIZE0(expr)
-#ifndef STRINGIZE0
-#define STRINGIZE0(expr) #expr
-#endif
 #define RUBY_REVISION 0
 #include "version.h"
-release_date = RUBY_RELEASE_DATE
-#undef RUBY_RELEASE_DATE
-RUBY_RELEASE_DATE = $$(release_date)
+release_year = RUBY_RELEASE_YEAR
+release_month = RUBY_RELEASE_MONTH
+release_day = RUBY_RELEASE_DAY
+#undef RUBY_RELEASE_YEAR
+#undef RUBY_RELEASE_MONTH
+#undef RUBY_RELEASE_DAY
+RUBY_RELEASE_YEAR = $$(release_year)
+RUBY_RELEASE_MONTH = $$(release_month)
+RUBY_RELEASE_DAY = $$(release_day)
 <<
 
 -program-name-: