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-rw-r--r--src/s/vms.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/s/vms.h b/src/s/vms.h
index b2de754bb1b..1338cdb5718 100644
--- a/src/s/vms.h
+++ b/src/s/vms.h
@@ -109,6 +109,11 @@ Boston, MA 02111-1307, USA. */
your system and must be used only through an encapsulation
(Which you should place, by convention, in sysdep.c). */
+/* In olden days, VMS filenames did not support hyphen (i.e., the "-"
+ character). You can #undef this in vmsX-Y.h for newer versions. */
+
+#define NO_HYPHENS_IN_FILENAMES
+
/* Do you have the sharable library bug? If you link with a sharable
library that contains psects with the NOSHR attribute and also refer to
those psects in your program, the linker give you a private version of