From 300213968667d5934bdbe29c1e0d993a72212e72 Mon Sep 17 00:00:00 2001
From: Abdelrahman AL MAROUK <abdelrahman.almarouk@gmail.com>
Date: Wed, 27 Sep 2023 09:25:08 +0200
Subject: [PATCH] [filterSfM] fix for linux build

---
 src/software/pipeline/main_filterSfM.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/software/pipeline/main_filterSfM.cpp b/src/software/pipeline/main_filterSfM.cpp
index 862a7b1759..e3df67a73c 100644
--- a/src/software/pipeline/main_filterSfM.cpp
+++ b/src/software/pipeline/main_filterSfM.cpp
@@ -131,6 +131,12 @@ std::istream& operator>>(std::istream& in, FilterParams& params)
     return in;
 }
 
+// required for linux build
+inline std::ostream& operator<<(std::ostream& os, const FilterParams& params)
+{
+    return os;
+}
+
 struct ObservationsAdaptator
 {
     using Derived = ObservationsAdaptator; //!< In this case the dataset class is myself.