nobu	2016-01-11 09:50:51 +0900 (Mon, 11 Jan 2016)

  New Revision: 53498

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=53498

  Log:
    configure.in: check API version
    
    * configure.in: check if the API version number is consistent with
      the program version number.

  Modified files:
    trunk/ChangeLog
    trunk/configure.in
Index: configure.in
===================================================================
--- configure.in	(revision 53497)
+++ configure.in	(revision 53498)
@@ -224,6 +224,7 @@ 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`
 MAJOR=`echo $RUBY_PROGRAM_VERSION | cut -d. -f1`
 MINOR=`echo $RUBY_PROGRAM_VERSION | cut -d. -f2`
@@ -233,6 +234,9 @@ for v in MAJOR MINOR TEENY; do https://github.com/ruby/ruby/blob/trunk/configure.in#L234
 	AC_MSG_ERROR(could not determine $v number from version.h)
     fi
 done
+AS_IF([test "$MAJOR.$MINOR" != "$API_MAJOR.$API_MINOR"], [
+    AC_MSG_ERROR([API version $API_MAJOR.$API_MINOR differs from program version $MAJOR.$MINOR])
+])
 AC_SUBST(MAJOR)
 AC_SUBST(MINOR)
 AC_SUBST(TEENY)
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 53497)
+++ ChangeLog	(revision 53498)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Mon Jan 11 09:50:24 2016  Nobuyoshi Nakada  <nobu@r...>
+
+	* configure.in: check if the API version number is consistent with
+	  the program version number.
+
 Sun Jan 10 20:57:25 2016  Nobuyoshi Nakada  <nobu@r...>
 
 	* compile.c (compile_massign_lhs): when index ends with splat,

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