akr	2013-02-11 23:26:01 +0900 (Mon, 11 Feb 2013)

  New Revision: 39205

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=39205

  Log:
    * configure.in: enable rb_cv_page_size_log test for MirOS BSD.

  Modified files:
    trunk/ChangeLog
    trunk/configure.in

Index: configure.in
===================================================================
--- configure.in	(revision 39204)
+++ configure.in	(revision 39205)
@@ -1477,8 +1477,11 @@ if test $rb_cv_stack_end_address != no; https://github.com/ruby/ruby/blob/trunk/configure.in#L1477
   AC_DEFINE_UNQUOTED(STACK_END_ADDRESS, $rb_cv_stack_end_address)
 fi
 
+# posix_memalign(memptr, alignment, size) implemented for OpenBSD 4.8 doesn't work if alignment > MALLOC_PAGESIZE.
+# OpenBSD 5.2 fixed the problem. (src/lib/libc/stdlib/malloc.c:1.142)
+# MirOS #10semel has the problem but fixed in the repository.  (src/lib/libc/stdlib/malloc.c:1.9)
 AS_CASE(["$target_os"],
-[openbsd*], [
+[openbsd*|mirbsd*], [
   AC_CACHE_CHECK(for heap align log on openbsd, rb_cv_page_size_log,
     [rb_cv_page_size_log=no
      for page_log in 12 13; do
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 39204)
+++ ChangeLog	(revision 39205)
@@ -1,3 +1,7 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Mon Feb 11 23:08:48 2013  Tanaka Akira  <akr@f...>
+
+	* configure.in: enable rb_cv_page_size_log test for MirOS BSD.
+
 Mon Feb 11 20:06:38 2013  Tanaka Akira  <akr@f...>
 
 	* configure.in: use -pthread on mirbsd*.

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