Sync config, include and libiberty with GCC

[deliverable/binutils-gdb.git] / include / filenames.h

diff --git a/include/filenames.h b/include/filenames.h
index 1ed441221ac2122c2735ece829a63fdab5523e68..fcde22767de2a8aa57b5e89e5d799a524674e860 100644 (file)
--- a/include/filenames.h
+++ b/include/filenames.h
@@ -32,7 +32,8 @@ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
 extern "C" {
 #endif
 
-#if defined(__MSDOS__) || defined(_WIN32) || defined(__OS2__) || defined (__CYGWIN__)
+#if defined(__MSDOS__) || (defined(_WIN32) && ! defined(__CYGWIN__)) || \
+    defined(__OS2__)
 #  ifndef HAVE_DOS_BASED_FILE_SYSTEM
 #    define HAVE_DOS_BASED_FILE_SYSTEM 1
 #  endif