From 90f96e3c41161f5cd07af5cf0d1112c36b71c014 Mon Sep 17 00:00:00 2001
From: Greg Eisenhauer <eisen@cc.gatech.edu>
Date: Tue, 15 Oct 2024 18:33:25 -0400
Subject: [PATCH] Fix missing int64_t definition (#4365)

---
 source/adios2/engine/campaign/CampaignData.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/adios2/engine/campaign/CampaignData.h b/source/adios2/engine/campaign/CampaignData.h
index 8cf4df2bc3..b1f221a280 100644
--- a/source/adios2/engine/campaign/CampaignData.h
+++ b/source/adios2/engine/campaign/CampaignData.h
@@ -12,6 +12,7 @@
 #ifndef ADIOS2_ENGINE_CAMPAIGNDATA_H_
 #define ADIOS2_ENGINE_CAMPAIGNDATA_H_
 
+#include <cstdint>
 #include <fstream>
 #include <iostream>
 #include <map>