odaira	2016-04-23 01:02:25 +0900 (Sat, 23 Apr 2016)

  New Revision: 54716

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=54716

  Log:
    * configure.in: don't use the system-provided round(3) on AIX.
      In AIX, round(0.49999999999999994) returns 1.0.
      Use round() in numeric.c instead.

  Modified files:
    trunk/ChangeLog
    trunk/configure.in
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 54715)
+++ ChangeLog	(revision 54716)
@@ -1,3 +1,9 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Sat Apr 23 01:00:03 2016  Rei Odaira  <Rei.Odaira@g...>
+
+	* configure.in: don't use the system-provided round(3) on AIX.
+	  In AIX, round(0.49999999999999994) returns 1.0.
+	  Use round() in numeric.c instead.
+
 Fri Apr 22 21:00:44 2016  Tanaka Akira  <akr@f...>
 
 	* test/ruby/test_time_tz.rb: Tests depends on Europe/Moscow removed
Index: configure.in
===================================================================
--- configure.in	(revision 54715)
+++ configure.in	(revision 54716)
@@ -2338,7 +2338,7 @@ AC_CHECK_FUNCS(ppoll) https://github.com/ruby/ruby/blob/trunk/configure.in#L2338
 AC_CHECK_FUNCS(pread)
 AC_CHECK_FUNCS(qsort_r)
 AC_CHECK_FUNCS(readlink)
-AC_CHECK_FUNCS(round)
+AS_CASE(["$target_os"],[aix*],[ac_cv_func_round=no],[AC_CHECK_FUNCS(round)])
 AC_CHECK_FUNCS(sched_getaffinity)
 AC_CHECK_FUNCS(seekdir)
 AC_CHECK_FUNCS(select_large_fdset)

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