nobu	2013-05-15 16:52:53 +0900 (Wed, 15 May 2013)

  New Revision: 40756

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=40756

  Log:
    configure.in: escape
    
    * configure.in (unexpand_shvar): escape $.

  Modified files:
    trunk/configure.in

Index: configure.in
===================================================================
--- configure.in	(revision 40755)
+++ configure.in	(revision 40756)
@@ -3518,13 +3518,13 @@ unexpand_shvar() { https://github.com/ruby/ruby/blob/trunk/configure.in#L3518
     test "$#" -eq 0 && return
     for n do
         eval v='"$'$n'"'
-	v="`echo \"$v\" | sed -e ['s/${[^${}\"]*}/\"&\"/g'] -e ['s/[][$|.\\?*]/\\\\&/g']`"
+	v="`echo \"$v\" | sed -e ['s/\${[^${}\"]*}/\"&\"/g'] -e ['s/[][$|.\\?*]/\\\\&/g']`"
 	if test -n "$v"; then
 	    expr=["${expr};s|"'\("[^$"]*\)'"$v|\\1\${$n}\"|g"]
 	    AS_CASE(["$v"], [*'${'*'}'*], [expr=["$expr;s|$v|\"\${$n}\"|g"]])
 	fi
     done
-    expr=['s/${[^${}"]*}/"&"/g;'"${expr};"'s/"\(\${[^${}"]*}\)"/\1/g']
+    expr=['s/\${[^${}"]*}/"&"/g;'"${expr};"'s/"\(\${[^${}"]*}\)"/\1/g']
     eval $var='"`echo \"\\\"${'$var'}\\\"\" | sed \"$expr;s/\\\"//g\"`"'
 }
 

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