1 files changed, 4 insertions, 0 deletions

diff --git a/src/s/irix4-0.h b/src/s/irix4-0.h
index 2002143042b..197d32c1ec0 100644
--- a/src/s/irix4-0.h
+++ b/src/s/irix4-0.h
@@ -43,3 +43,7 @@
     return -1;                                                  \
   strcpy (pty_name, name);                                      \
 }
+
+/* jpff@maths.bath.ac.uk reports `struct exception' is not defined
+   on this system, so inhibit use of matherr.  */
+#define NO_MATHERR