nobu	2016-01-12 10:51:01 +0900 (Tue, 12 Jan 2016)

  New Revision: 53500

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=53500

  Log:
    escape brackets
    
    * configure.in: escape char class brackets in regexp.

  Modified files:
    trunk/configure.in
Index: configure.in
===================================================================
--- configure.in	(revision 53499)
+++ configure.in	(revision 53500)
@@ -224,8 +224,8 @@ fi https://github.com/ruby/ruby/blob/trunk/configure.in#L224
 GNU_LD=$rb_cv_prog_gnu_ld
 AC_SUBST(GNU_LD)])
 
-eval `sed -n 's/^#define RUBY_API_VERSION_\([A-Z][A-Z_0-9]*\) \([0-9][0-9]*\)/API_\1=\2/p' $srcdir/include/ruby/version.h`
-RUBY_PROGRAM_VERSION=`sed -n 's/^#define RUBY_VERSION "\(.*\)"/\1/p' $srcdir/version.h`
+eval `sed -n ['s/^@%:@define RUBY_API_VERSION_\([A-Z][A-Z_0-9]*\) \([0-9][0-9]*\)/API_\1=\2/p'] $srcdir/include/ruby/version.h`
+RUBY_PROGRAM_VERSION=`sed -n 's/^@%:@define RUBY_VERSION "\(.*\)"/\1/p' $srcdir/version.h`
 MAJOR=`echo $RUBY_PROGRAM_VERSION | cut -d. -f1`
 MINOR=`echo $RUBY_PROGRAM_VERSION | cut -d. -f2`
 TEENY=`echo $RUBY_PROGRAM_VERSION | cut -d. -f3`

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