nobu	2016-11-01 01:31:12 +0900 (Tue, 01 Nov 2016)

  New Revision: 56534

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=56534

  Log:
    configure.in: no round in x64-mingw
    
    * configure.in (ac_cv_func_round): round(3) in x86_64-w64-mingw32
      is not accurate in an edge case.  [ruby-core:77794] [Bug #12878]

  Modified files:
    trunk/ChangeLog
    trunk/configure.in
Index: configure.in
===================================================================
--- configure.in	(revision 56533)
+++ configure.in	(revision 56534)
@@ -1236,7 +1236,10 @@ main() https://github.com/ruby/ruby/blob/trunk/configure.in#L1236
                 ac_cv_func_clock_gettime=yes
                 ac_cv_func_clock_getres=yes
 		ac_cv_func_malloc_usable_size=no
-		{ test "$target_cpu" = x64 && ac_cv_func___builtin_setjmp=no; }
+		AS_IF([test "$target_cpu" = x64], [
+		    ac_cv_func___builtin_setjmp=no
+		    ac_cv_func_round=no
+		])
 		AC_CHECK_TYPE([NET_LUID], [], [],
 			      [@%:@include <winsock2.h>
 			      @%:@include <iphlpapi.h>])
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 56533)
+++ ChangeLog	(revision 56534)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Tue Nov  1 01:31:09 2016  Nobuyoshi Nakada  <nobu@r...>
+
+	* configure.in (ac_cv_func_round): round(3) in x86_64-w64-mingw32
+	  is not accurate in an edge case.  [ruby-core:77794] [Bug #12878]
+
 Mon Oct 31 17:36:04 2016  Code Ahss  <aycabta@g...>
 
 	* test/test_forwardable.rb (TestForwardable#test_on_private_method):

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