* configure.in (HEAP_ALIGN_LOG): HEAP_ALIGN_LOG should be page

  size in OpenBSD. [ruby-core:42158][Bug #5901]

* gc.c : avoid to redefine.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34404 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/gc.c b/gc.c
index f52b5fc348..2c49f96363 100644
--- a/gc.c
+++ b/gc.c
@@ -536,8 +536,10 @@ rb_objspace_free(rb_objspace_t *objspace)
 }
 #endif
 
-/* tiny heap size: 16KB */
+#ifndef HEAP_ALIGN_LOG
+/* default tiny heap size: 16KB */
 #define HEAP_ALIGN_LOG 14
+#endif
 #define HEAP_ALIGN (1UL << HEAP_ALIGN_LOG)
 #define HEAP_ALIGN_MASK (~(~0UL << HEAP_ALIGN_LOG))
 #define REQUIRED_SIZE_BY_MALLOC (sizeof(size_t) * 5)