From 2bb561ea5f96f8b6edd622be16be89ee6af3cd7e Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 16 Mar 2009 03:30:01 +0000
Subject: * common.mk (REVISION_H): keeps timestamp of revision.h.  
 [ruby-core:22900]

* tool/ifchange, win32/ifchange.bat: extended --timestamp option.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22974 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 common.mk | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

(limited to 'common.mk')

diff --git a/common.mk b/common.mk
index bb80ca1e58..3aea9e1ab2 100644
--- a/common.mk
+++ b/common.mk
@@ -16,6 +16,7 @@ STATIC_RUBY   = static-ruby
 EXTCONF       = extconf.rb
 RBCONFIG      = ./.rbconfig.time
 LIBRUBY_EXTS  = ./.libruby-with-ext.time
+REVISION_H    = ./.revision.time
 RDOCOUT       = $(EXTOUT)/rdoc
 ID_H_TARGET   = -id.h-
 
@@ -657,7 +658,8 @@ srcs-ext: $(EXT_SRCS)
 srcs-enc: $(ENC_MK)
 	$(MAKE) -f $(ENC_MK) RUBY="$(MINIRUBY)" MINIRUBY="$(MINIRUBY)" $(MFLAGS) srcs
 
-incs: $(INSNS) {$(VPATH)}node_name.inc {$(VPATH)}encdb.h {$(VPATH)}transdb.h {$(VPATH)}known_errors.inc $(srcdir)/revision.h
+incs: $(INSNS) {$(VPATH)}node_name.inc {$(VPATH)}encdb.h {$(VPATH)}transdb.h {$(VPATH)}known_errors.inc \
+      $(srcdir)/revision.h $(REVISION_H)
 
 insns: $(INSNS)
 
@@ -687,9 +689,12 @@ prereq: incs srcs preludes
 preludes: {$(VPATH)}miniprelude.c
 preludes: {$(srcdir)}golf_prelude.c
 
-$(srcdir)/revision.h: $(srcdir)/version.h $(srcdir)/ChangeLog $(srcdir)/tool/file2lastrev.rb $(REVISION_FORCE)
-	@-$(BASERUBY) $(srcdir)/tool/file2lastrev.rb --revision.h "$(@D)" > "$@.tmp"
-	@$(IFCHANGE) "$@" "$@.tmp"
+$(srcdir)/revision.h:
+	@exit > $@
+
+$(REVISION_H): $(srcdir)/version.h $(srcdir)/ChangeLog $(srcdir)/tool/file2lastrev.rb $(REVISION_FORCE)
+	@-$(BASERUBY) $(srcdir)/tool/file2lastrev.rb --revision.h "$(srcdir)" > "$(srcdir)/revision.tmp"
+	@$(IFCHANGE) "--timestamp=$@" "$(srcdir)/revision.h" "$(srcdir)/revision.tmp"
 
 $(EXT_SRCS):
 	$(CHDIR) $(@D) && $(exec) $(MAKE) -f depend $(MFLAGS) top_srcdir=../.. srcdir=.
-- 
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