New module 'xsize'.

[gnulib.git] / lib / binary-io.h

diff --git a/lib/binary-io.h b/lib/binary-io.h
index 2229f84..3ff2a37 100644 (file)
--- a/lib/binary-io.h
+++ b/lib/binary-io.h
@@ -53,6 +53,7 @@
 # endif
 #else
   /* On reasonable systems, binary I/O is the default.  */
+# undef O_BINARY
 # define O_BINARY 0
 # define SET_BINARY(fd) /* nothing */
 #endif