2 files changed, 5 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index cdb27b0a1..7573cb81b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2020-12-12  Marc Glisse  <marc.glisse@inria.fr>
+
+	* gmp-h.in (_GMP_H_HAVE_FILE): Test also _STDIO (for HPE NonStop).
+
 2020-11-29  Torbjörn Granlund  <tg@gmplib.org>
 
 	* mpn/arm64/divrem_1.asm: New file.
diff --git a/gmp-h.in b/gmp-h.in
index 5c7ac98be..1cd0eca1b 100644
--- a/gmp-h.in
+++ b/gmp-h.in
@@ -264,6 +264,7 @@ typedef __mpq_struct *mpq_ptr;
   || defined (_STDIO_H_INCLUDED)      /* QNX4 */		\
   || defined (_ISO_STDIO_ISO_H)       /* Sun C++ */		\
   || defined (__STDIO_LOADED)         /* VMS */			\
+  || defined (_STDIO)                 /* HPE NonStop */         \
   || defined (__DEFINED_FILE)         /* musl */
 #define _GMP_H_HAVE_FILE 1
 #endif