normal	2014-11-16 18:22:43 +0900 (Sun, 16 Nov 2014)

  New Revision: 48459

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=48459

  Log:
    tool/update-deps: warning to disable ccache
    
    I spent several minutes wondering why -save-temps=obj was
    not taking effect, hopefully this saves somebody else the
    trouble.

  Modified files:
    trunk/ChangeLog
    trunk/tool/update-deps
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 48458)
+++ ChangeLog	(revision 48459)
@@ -1,3 +1,7 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Sun Nov 16 18:22:18 2014  Eric Wong  <e@8...>
+
+	* tool/update-deps: warning to disable ccache
+
 Sun Nov 16 13:11:35 2014  Tanaka Akira  <akr@f...>
 
 	* common.mk (CCAN_LIST_INCLUDES): Unused variable removed.
Index: tool/update-deps
===================================================================
--- tool/update-deps	(revision 48458)
+++ tool/update-deps	(revision 48459)
@@ -6,6 +6,9 @@ https://github.com/ruby/ruby/blob/trunk/tool/update-deps#L6
 #   gcc 4.5 (for -save-temps=obj option)
 #   GNU make (for -p option)
 #
+# Warning: ccache (and similar tools) must be disabled for
+# -save-temps=obj to work properly.
+#
 # Usage:
 #   1. Compile ruby with -save-temps=obj option.
 #      Ex.  ./configure debugflags='-save-temps=obj -g' && make all golf
@@ -29,6 +32,7 @@ ENV['LC_ALL'] = 'C' https://github.com/ruby/ruby/blob/trunk/tool/update-deps#L32
 $opt_fix = false
 $opt_a = false
 $opt_actual_fix = false
+$i_not_found = false
 
 def optionparser
   op = OptionParser.new
@@ -141,6 +145,7 @@ def read_actual_deps(cwd) https://github.com/ruby/ruby/blob/trunk/tool/update-deps#L145
     fn_i = fn_o.sub_ext('.i')
     if !fn_i.exist?
       warn "not found: #{fn_i}"
+      $i_not_found = true
       next
     end
     path_o = cwd + fn_o
@@ -402,3 +407,6 @@ def run https://github.com/ruby/ruby/blob/trunk/tool/update-deps#L407
 end
 
 run
+if $i_not_found
+  warn "missing *.i files, see help in #$0 and ensure ccache is disabled"
+end

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