Merge -r16241:16456 from ruby_1_8.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@16458 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 0 deletions

diff --git a/defines.h b/defines.h
index ec6abe9f63..f39097fea4 100644
--- a/defines.h
+++ b/defines.h
@@ -254,6 +254,14 @@ void rb_ia64_flushrs(void);
 #define ENV_IGNORECASE
 #endif
 
+#ifndef CASEFOLD_FILESYSTEM
+# if defined DOSISH || defined __VMS
+#   define CASEFOLD_FILESYSTEM 1
+# else
+#   define CASEFOLD_FILESYSTEM 0
+# endif
+#endif
+
 #ifndef DLEXT_MAXLEN
 #define DLEXT_MAXLEN 4
 #endif