From d87648c2585aa5e6a566546e072a822d86d6bdd4 Mon Sep 17 00:00:00 2001
From: Matthew Ballance <matt.ballance@gmail.com>
Date: Mon, 20 Jan 2020 17:33:40 -0500
Subject: [PATCH] Correct FST-support issue with some GCC versions. Closes
 #2129.

---
 include/verilatedos.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/verilatedos.h b/include/verilatedos.h
index fa1811321..4a09fb646 100644
--- a/include/verilatedos.h
+++ b/include/verilatedos.h
@@ -269,6 +269,10 @@ typedef signed   __int32        ssize_t;        ///< signed size_t; returned fro
 
 #else  // Linux or compliant Unix flavors, -m64
 
+// The inttypes supplied with some GCC versions requires STDC_FORMAT_MACROS
+// to be declared in order to get the PRIxx macros used by fstapi.c
+#define __STDC_FORMAT_MACROS
+
 # include <inttypes.h>  // Solaris
 # include <stdint.h>  // Linux and most flavors
 # include <sys/types.h>  // __WORDSIZE